Category: News

What Is a Protected 18650 Battery?

A protected 18650 battery comes with an additional protection circuit board (PCB) mounted on the cell. This circuit safeguards the battery from risks such as overcharge, over-discharge, short-circuit, and overcurrent. These added protections significantly enhance safety and stability, making protected batteries ideal for end-user devices with limited battery management capabilities.

Features of Unprotected 18650 Batteries

Unprotected 18650 batteries, also known as bare cells, are commonly used in custom-built battery packs or parallel/series configurations such as power tools, e-bikes, or DIY energy storage systems. These batteries are more compact and cost-effective, but they require external battery management systems (BMS) to control charging and discharging properly.

Key Differences: Protected vs Unprotected

Feature	Protected	Unprotected
Built-in Protection Circuit	✔ Yes	❌ No
Physical Length	Typically longer (~70mm)	Standard 65mm
Ideal Applications	Medical devices, flashlights	Battery packs, VAPE, DIY projects
Cost	Higher	Lower
Safety	Safer, self-managed	Requires external BMS or expertise

When Should You Use Protected 18650 Batteries?

Choose protected batteries in these scenarios:

• Medical equipment (e.g., infusion pumps)
• High-power flashlights
• Small electronics without a built-in BMS
• Industrial sensor devices

If you’re unsure about battery management or safety, a protected battery is your best choice.

Buying Tips and Selection Summary

• For beginners or general consumers: Choose protected 18650 batteries to avoid risks such as short circuits or deep discharge.
• For technical/industrial users: Unprotected cells offer flexibility for custom battery pack designs with external BMS.

Important: Before purchasing, always confirm whether your device’s battery compartment supports the slightly longer length of protected cells (typically over 70mm).

Cell Quality Determines Core Performance

The quality of lithium cells defines the performance, lifespan, and consistency of a 7.4V battery pack. Manufacturers usually assemble these packs with two 18650 cells in series.

To ensure reliability, buyers should request datasheets, production batch numbers, and test reports for capacity and internal resistance. Avoid packs made from recycled or B-grade cells, which can compromise safety and performance.

Complete Certifications Guarantee Export Compliance

Certifications are mandatory for bulk shipments, especially for export or integration into electronic devices. Reputable suppliers provide essential certifications such as:

• UN38.3 for lithium battery transport safety
• MSDS for chemical safety information
• ROHS/REACH for environmental compliance
• CE/FCC for regional market access
• UL or IEC62133 for high-end or regulated industries

You should verify that certifications match the exact battery pack model. Incomplete or incorrect documentation may delay customs clearance or cause shipment failure.

BMS Configuration Ensures Safe Operation

The Battery Management System (BMS) is essential for protecting a 2S 7.4V lithium pack. It controls voltage, current, and temperature to prevent overcharge, over-discharge, short circuit, and overheating. A standard BMS for a 7.4V pack should include:

• Overcharge protection (usually at 4.25V per cell)
• Over-discharge protection (around 2.5–2.8V per cell)
• Short circuit and overcurrent protection
• Temperature sensor and auto-recovery
• Cell balancing (for high-end or cyclic applications)

If your device requires high reliability—such as drones, robotics, or medical equipment—choose BMS modules with advanced features like I2C communication or fuel gauge monitoring.

Assembly Workmanship Affects Consistency and Appearance

A well-assembled battery pack ensures stable performance and neat appearance. Professional manufacturers use:

• Pure nickel strips for better conductivity
• Spot welding or laser welding to guarantee firm connections
• PVC wrapping or ABS housings for insulation and protection
• Standardized wiring and connectors, such as JST, XT60, DC plugs

Poorly made battery packs may have inconsistent welds, loose terminals, or exposed wires, which can cause short circuits or mechanical failure. Visual inspections or sample orders can help you evaluate production quality.

Customization Capability Defines Product Compatibility

Different applications require different specs. A reliable battery supplier can offer:

• Custom capacities (e.g., 2000mAh, 2600mAh, 3000mAh, 3500mAh)
• Tailored output current ratings based on peak load
• Flexible structure designs: L-shape, flat, stacked
• Custom wire harnesses and connectors (JST, XT30, bare leads, etc.)

For advanced applications, manufacturers can also integrate waterproof housings, heaters, battery indicators, or communication ports. You should share device dimensions, max load, and battery compartment layout to ensure the best-fit design.

Choose the Right Supplier for Long-Term Success

When purchasing 7.4V 18650 lithium battery packs in bulk, prioritize more than just price. Evaluate the supplier’s ability to deliver high-quality cells, complete certifications, reliable protection systems, and strong customization support. Working with a professional manufacturer reduces your risk, ensures long-term product reliability, and enhances customer satisfaction.

Choosing the right OEM 7.4V 18650 lithium battery pack is crucial for businesses that rely on reliable, long-lasting power sources. Whether you’re designing portable electronics, medical devices, or robotics, selecting a professional OEM partner ensures your battery pack meets both technical and safety standards.

What Is OEM 7.4V 18650 Battery Pack?

OEM (Original Equipment Manufacturer) battery pack is customized by a manufacturer to match the specific requirements of a client’s device or system. A 7.4V configuration usually consists of two 18650 cells in series (2S), delivering stable performance, high energy density, and long cycle life. OEM services go beyond assembly—they include design, BMS integration, casing, labeling, and even certification.

Why Choose OEM Supplier Instead of Ready-Made Packs?

OEM suppliers allow you to control every detail—from battery chemistry and protection circuits to connectors and housing. This ensures compatibility with your device and enhances reliability and safety. For industrial and medical applications, where product failure can be costly or dangerous, OEM customization is often essential.

Key Factors to Evaluate When Choosing an OEM Supplier

When evaluating an OEM lithium battery supplier, consider the following:

• Certification Capabilities: Can they provide CE, UN38.3, UL, RoHS?
• Design Experience: Do they have case studies or projects in your industry?
• Production Scale: Can they handle large orders with consistent quality?
• Technical Support: Do they offer design consultations or BMS solutions?

Selecting an experienced OEM partner can save you time, reduce risk, and improve product reliability.

OEM Case Example: 7.4V Battery for Medical Devices

One example is a 7.4V 2000mAh battery pack customized for a portable medical suction machine. The customer required compact size, overcurrent protection, and medical-grade certification. The OEM partner designed a 2S1P pack with protective BMS, flame-retardant casing, and passed UN38.3 and IEC62133 tests.

Conclusion

OEM 7.4V 18650 lithium battery packs offer flexibility, performance, and safety for custom-powered devices. Working with the right supplier ensures that your batteries meet the exact demands of your application, reducing development cycles and improving end-user satisfaction.

Define Application Scenarios and Technical Requirements

Before customization begins, OEM clients should clearly provide the following information:

• Drone Type: Agricultural UAV, inspection drones, mapping drones, logistics UAVs, etc.
• Working Voltage & Capacity Requirements
• Maximum Discharge Rate (C-rate)
• Target Flight Time
• Size and Space Limitations
• Additional Functions: Need for BMS, communication protocols, waterproofing, etc.

These details determine the initial direction of cell selection and battery structure design.

Cell Selection: The Key to Battery Performance

Based on the drone’s power requirements, manufacturers will recommend suitable battery cells such as:

• 18650 cylindrical cells: Common for medium-power drones; cost-effective
• 21700 / high-power cells: Ideal for high-current or high-capacity applications
• Pouch cells: Suitable for flexible sizing and compact design

Manufacturers will also assess cell cycle life, energy density, and temperature performance to ensure suitability.

Structural Design & BMS Configuration

Based on the drone’s internal layout and environmental requirements, battery packs can be structurally customized:

• Casing materials: ABS, PC, injection-molded shell, or potting
• Protection levels: Waterproof, shockproof, cold-resistant
• BMS Features: Overcharge, over-discharge, overcurrent, temperature protection, cell balancing
• Communication Protocols: I2C, UART, CAN bus for flight controller integration

At this stage, manufacturers will provide 2D engineering drawings or 3D structural sketches for confirmation.

Sample Prototyping & Functional Testing

After confirming the structural plan, manufacturers will arrange prototype production (3–7 days) and perform:

• Basic electrical tests (voltage, capacity, discharge rate)
• Compatibility testing with flight control systems
• Initial waterproofing and vibration testing
• Field flight or bench testing with feedback for optimization

The prototyping phase usually includes 1–3 units for clients to verify structure and performance.

Certification & Export Compliance

If the customized battery is intended for export or air transport, it must meet various certification requirements:

• UN38.3 Air Transport Safety Certification
• MSDS (Material Safety Data Sheet)
• IEC62133 International Battery Safety Standard (required in certain countries)
• Label Customization: Manufacturer can add client logos or private labels as needed

The certification process typically takes 5–7 days and can run in parallel with mass production.

Mass Production & After-Sales Support

Once the prototype is approved, the manufacturer proceeds with mass production:

• Lead Time: Normally 10–15 business days
• Quality Control: 100% functional testing, aging tests, short-circuit protection, and capacity checks
• Packaging & Shipping: Supports DG labeling, secure packaging, and anti-static bags
• After-Sales Support: 6–12 months warranty; technical assistance available upon request

Conclusion

For OEM buyers, following a structured customization process helps streamline communication, minimize risks, and reduce project delays. By understanding and applying the six essential steps outlined in this guide, you can implement a reliable, tailor-made UAV battery pack solution that meets the demands of your drone system with precision and efficiency.

As industrial drone applications continue to expand, long flight endurance has become a key concern for users across various sectors. Whether for agricultural spraying, power line inspections, geospatial mapping, or emergency response, a high-performance, long-endurance drone battery directly impacts operational efficiency and flight stability.

This article recommends five high-performing long-endurance industrial drone batteries in 2025, evaluated across capacity, cell technology, and application scenarios. It also offers selection and customization tips for B2B procurement.

1.22.2V 22000mAh High Discharge Rate LiPo Battery – Built for Agricultural Drones

• Capacity: 22000mAh
• Voltage: 6S (22.2V)
• Ideal For: 6-axis to 8-axis crop spraying drones
• Discharge Rate: 15C
• Flight Time: 30–45 minutes

This battery uses high energy-density lithium polymer (LiPo) cells and supports high-current discharge, making it perfect for heavy-duty agricultural drones. It features a built-in high-performance BMS for overvoltage, overcurrent, and short-circuit protection.

2.44.4V 12000mAh High-Voltage Li-ion Battery – Custom-Made for Power Inspection Drones

• Capacity: 12000mAh
• Voltage: 12S (44.4V)
• Highlight: High voltage platform, lower energy loss
• Application: Power line inspection, substation monitoring

The high-voltage configuration enhances motor efficiency and reduces energy loss, making it ideal for large-area, long-range inspection missions. Optional GNSS modules support high-altitude operations under complex weather conditions, enabling all-weather deployment.

3.29.6V 16000mAh Smart UAV Battery – For Mapping and Urban Logistics

• Capacity: 16000mAh
• Voltage: 8S (29.6V)
• Key Features: Smart BMS + Bluetooth telemetry
• Applications: Surveying drones, delivery drones

This lightweight battery features real-time power feedback and health monitoring. It’s widely used in mapping UAVs and low-altitude urban delivery systems. It provides over 40 minutes of flight time, supporting multi-mission operations.

4.Custom 6S–12S UAV Battery Modules – Preferred by OEM Clients

• Available Capacity: 10000–30000mAh
• Custom Voltage Options: 22.2V / 29.6V / 44.4V
• Form Factor: Hard case / Soft pack / IP66 Waterproof
• Designed For: OEM/ODM drone manufacturers

We support full customization including appearance, connectors, voltage, and certifications. These battery packs meet UN38.3, MSDS, CE, and RoHS standards, making them export-ready and ideal for clients with personalized demands.

5.LiFePO4 Long-Life Drone Battery – Safe and Reliable for Education and Security Patrols

• Voltage: 22.4V (7S)
• Capacity: 12000mAh
• Cycle Life: ≥2000 cycles
• Safety Features: High temperature resistance, fireproof, chemically stable

Although slightly larger than LiPo batteries, this LiFePO4 battery suits low-risk applications requiring long service life and frequent cycling, such as campus education drones or routine security patrol UAVs.

How to Choose the Right Long-Endurance Drone Battery?

For wholesale buyers, consider the following factors when selecting a long-endurance UAV battery:

• Voltage & Capacity Compatibility: Ensure it matches with flight controllers, motors, and propellers
• Application Scenario: High payload operations (e.g., agriculture, logistics) require higher discharge rates
• Weight-to-Energy Ratio: Heavily affects flight time
• Cycle Life vs. Cost Efficiency: Impacts total cost of ownership (TCO)
• Compliance & Certification: Ensure batteries meet target market regulations

Bulk Purchasing & Customization Services

We offer OEM/ODM services, including logo printing, small batch prototyping, and full certification for transportation (UN38.3, air freight packaging, etc.). Contact us to get detailed specifications and explore long-term supply options.

Why Proper eBike Battery Storage Matters

eBike batteries, typically lithium-ion, are highly sensitive to environmental conditions such as temperature, humidity, and charge level. For wholesalers managing large inventories, improper storage can lead to serious issues—capacity degradation, swelling, leakage, and even safety hazards.

Five Key Storage Tips for Battery Wholesalers

1. Control Temperature and Humidity
Maintain a stable storage temperature between 15°C and 25°C, with relative humidity between 45% and 75%. Drastic temperature fluctuations or high humidity can severely impact battery life and safety.

• Use dehumidifiers and temperature control systems
• High heat may cause swelling or accelerate chemical reactions

2. Store Batteries with a Partial Charge
Keep battery charge between 30% and 60% during storage. Fully discharged or fully charged batteries are prone to degradation.

• Check voltage every 3 months and recharge if necessary
• Use a Battery Management System (BMS) to monitor health

Battery Transport and Labeling Requirements

For cross-border wholesalers and exporters, compliance with transport regulations is critical. Follow IATA Dangerous Goods guidelines when exporting.

• Categorize batteries before storage: new, used, and pending inspection
• Label each package clearly (e.g., UN3480 / UN3481)

4Common Storage Mistakes and How to Avoid Them

Common Mistake	Potential Risk	Best Practice
Stacked storage with poor ventilation	Overheating, deformation	Use shelving with gaps and ensure airflow
Infrequent voltage checks	Over-discharge and failure	Test and recharge batteries every 3 months
Storing in non-specialized warehouses	Moisture, static hazards	Choose facilities with moisture and static control

Develop a Battery Storage SOP for Bulk Orders

To standardize inventory management, wholesalers should establish a Battery Storage Standard Operating Procedure (SOP). Key components include:

• Temperature and humidity control guidelines
• Regular inspection schedules
• Classification and labeling rules
• Pre-shipment performance testing procedures

Conclusion

For eBike battery wholesalers, proper storage directly affects product quality, warranty claims, and customer satisfaction. By managing environmental conditions, charge levels, transport safety, and routine maintenance, you can minimize loss and maximize inventory value.

1. What Is the MOQ for 18650 Batteries and Why Does It Matter?

In bulk procurement, MOQ (Minimum Order Quantity) refers to the smallest number of units a manufacturer requires to begin production and packaging. It ensures that production costs and profit margins are covered.

Typical MOQ ranges:

• Standard unprotected cells: MOQ 1,000–5,000 units
• 18650 batteries with PCB protection: MOQ 500 units
• Custom battery packs (e.g., 2S1P, 3S2P): MOQ 100–300 packs

Understanding the MOQ helps you plan purchase volumes more efficiently and negotiate better terms.

2. 6 Key Factors That Affect 18650 Battery Wholesale Pricing

The unit price for 18650 batteries varies based on these core factors:

• Battery capacity: 3000mAh models typically cost 20–40% more than 2000mAh
• Protection circuit: Adding PCB increases cost by $0.10–$0.30 per unit
• Custom packaging or labeling: OEM/ODM services may add $0.10–$0.20 per unit
• Order quantity: Bulk discounts often apply for orders over 5,000 units
• Shipping and certifications: Batteries with UN38.3, MSDS, or air freight clearance may have higher base prices

Knowing these variables helps you evaluate if a quote is reasonable.

3. How to Negotiate Better Wholesale Pricing with Manufacturers

To secure more competitive pricing, effective communication with your supplier is key. Here’s how you can improve your negotiating power:

• Share your monthly or quarterly purchase plans to request long-term pricing
• Explain product application so the supplier can recommend the most cost-effective battery
• Ask if there are discounts for in-stock models or mixed batches
• Confirm if partial shipments and flexible invoicing are available
• Discuss shipping methods and customs clearance upfront to avoid hidden costs

Being transparent and professional often leads to better deals.

4. Recommended Bulk Purchase Solutions by Application Scenario

Paragraph keyword: battery application scenarios, custom 18650 battery, industry-specific battery solutions

Different industries have unique requirements when sourcing 18650 batteries:

• LED flashlight manufacturers: Prefer 2600mAh+ batteries with protection for safety
• Power tools brands: Need high-discharge customized packs like 3S2P or 4S1P
• Medical device suppliers: Should prioritize batteries with MSDS & UN38.3 for international shipping
• Amazon sellers: Focus on customizable labels and branding-friendly packaging

Matching product specs with usage scenarios improves long-term satisfaction and safety.

5. How to Identify a Reliable 18650 Battery Wholesale Supplier

A trustworthy battery supplier should meet the following criteria:

• Holds certifications like ISO9001, CE, UN38.3, and MSDS
• Offers free samples or trial orders for testing
• Has in-house cell testing and pack assembly lines
• Supports OEM/ODM customization and engineering collaboration
• Guarantees fast delivery: 7–15 working days

Working with a certified supplier ensures product safety, compliance, and smoother transactions.

Conclusion

Buying 18650 batteries in bulk isn’t just about chasing the lowest price. You need to consider MOQ, certifications, delivery time, and product safety to make the right choice. This guide aims to help you source smarter, save costs, and build long-term supplier relationships.

1. What is the Minimum Order Quantity (MOQ) for Custom UAV Battery Packs?

Most manufacturers have a MOQ of 50 to 100 units. However, some offer sample customization to facilitate early testing.

2. What Voltages and Capacities Can Be Customized?

Common customizable specifications include:

• Voltage: 7.4V / 11.1V / 14.8V / 22.2V / 29.6V (2S~8S Li-ion batteries)
• Capacity: Ranges from 2000mAh to 30000mAh, designed based on flight duration requirements
• Cell Types: Soft pack / 18650 cylindrical / high-power lithium cells

How to Estimate the Required Battery Capacity?
Use the formula:
Required Capacity (mAh) = Total Power × Flight Time / Voltage × 1000
We recommend providing:

• Expected flight time
• Flight controller system power consumption
• Motor specifications
  We will help calculate precisely and recommend the proper cells.

3. What BMS Protection Features Are Available?

All custom battery packs can be equipped with a Battery Management System (BMS). Common protection functions include:

• Overcharge / Over-discharge / Short-circuit / Overcurrent protection
• Cell balancing
• Temperature monitoring
• Communication protocol support (SMBus, I2C, CAN)

4. Do the Batteries Support Fast Charging or Smart Communication?

Yes. Some battery cells support 3C~5C fast charging. We can also integrate smart BMS modules (e.g., I2C, UART) that connect seamlessly with flight control systems to provide real-time data such as battery level, voltage, and temperature.

5. Do the Batteries Meet International Transport and Export Certifications?

Our battery products support the following certifications:

• UN38.3 for air transport
• MSDS and IEC62133
• ROHS / CE (upon request)
  We also provide DG labels and complete export documentation.

6. What is the Battery Lifespan and Charge Cycle Count?

High-quality lithium cells typically support 300–800 charge-discharge cycles. The actual lifespan depends on usage scenarios, current rate, and temperature control. Under proper conditions, custom batteries can operate for 2–3 years.

7. What Is the Customization Lead Time?

Typical delivery timeline:

• Solution confirmation: 1–3 days
• Sample production: 5–7 days
• Mass production: 10–15 days
  If a special structure or mold is needed, the timeline may be extended.

8. What Structural Options Are Supported? Are They Waterproof or Shockproof?

We offer structural customization based on application environments, including:

• ABS or PC+Glass fiber enclosures
• Waterproof potting
• Shock-absorbing foam support
• IP65–IP67 protection levels
  Suitable for outdoor, cold, or high-humidity environments.

9. How Can I Start the Customization Process?

Simply provide the following:

• Target voltage and capacity
• Size constraints (if any)
• Application type and power consumption
• Any required certifications, waterproofing, communication features

You can submit your requirements via email or online form, and we will respond promptly.

Conclusion

Custom UAV battery packs play a crucial role in enhancing UAV system performance. This article has clarified the top 10 frequently asked questions to help you better understand the purchasing and customization process. If you have specific needs, feel free to contact our technical team. We’ll provide a one-on-one custom solution tailored to your project.

Why Custom Battery Packs Matter for UAVs

In industrial drone applications—such as agricultural spraying, security inspection, aerial mapping, and logistics—flight time, payload capacity, and safety requirements are much higher. Off-the-shelf battery packs often fall short due to mismatched dimensions or voltages, leading to performance issues or even mission failure.

Cell Types and Discharge Rates (C-Rating)

Common battery cell types include:

• Li-ion (Lithium-ion): High energy density, ideal for long-duration flights
• LiPo (Lithium Polymer): Lightweight structure, supports high current bursts
• LiFePO4 (Lithium Iron Phosphate): Excellent safety and long cycle life, perfect for high-frequency flight missions

The discharge rate (C-rating) determines whether the battery can handle peak current during takeoff, climbing, or carrying payloads. It’s important to match this with the drone’s maximum current draw.

Voltage, Capacity, and Mission Requirements

• Voltage: Should match the motor and flight controller specs—common options include 11.1V (3S), 14.8V (4S), and 22.2V (6S).
• Capacity (Ah): Directly affects flight time. Agricultural spraying drones usually require 8000mAh or more, while mapping drones prioritize lightweight design.
• Dimensions: Must be precisely tailored to the drone’s battery compartment to avoid fit issues or shaking during flight.

Tip: We offer custom configurations from 7.4V (2S to 12S series/parallel combinations), and support XT60, XT90, AS150, and aviation-grade connectors.

Smart BMS and Safety Protection

High-performance drones require intelligent battery management systems:

• Real-time monitoring of charge level, voltage, and temperature
• Protection against overcharge, over-discharge, overcurrent, and short circuit
• Communication protocols like SMBus, CAN, and UART for seamless integration with flight controllers

Safety Tip: Custom battery packs must comply with certifications such as UN38.3, MSDS, and IEC62133 to ensure air/sea shipping compliance.

Bulk Purchasing and Customization Process

What do bulk buyers care about most?

• Minimum Order Quantity (MOQ): Flexible options available (e.g., from 5–10 pieces)
• Customization Lead Time: Sample in 3 days, mass production in 7 days
• OEM/ODM Support: Logo printing, custom mold production available
• Certifications: UN38.3 / MSDS / UL / CE documents can be provided

Suggestion: Share your full requirement checklist with the battery manufacturer—including dimension diagrams, working voltage, continuous current, connector types—to accelerate prototyping.

Conclusion: Choosing a Professional UAV Battery Manufacturer Is Key

A reliable custom UAV battery supplier doesn’t just deliver well-matched products—they ensure flight stability and long-term performance for your drone systems. They also help streamline OEM production and bulk procurement.

If you’re looking for high-performance, fast-delivery custom UAV battery packs, feel free to contact us for a tailored quote and expert technical support.

Why Is Drone Battery Procurement Critically Important?

Commercial drones are widely used in agriculture mapping, security patrols, and logistics. Their operational efficiency and flight stability heavily rely on battery performance. The battery type, capacity, and discharge efficiency directly impact flight time, mission success, and safety control.

In today’s fast-growing drone market, batteries are no longer just power sources—they determine mission duration, operational reliability, and cost-effectiveness.

For procurement professionals, battery selection isn’t just about price. It must address:

• Suitability for the application scenario (e.g., crop spraying vs. urban inspection)
• Durability and reliability to minimize after-sales service
• Customization to fit various drone platform designs

Choosing the right battery helps avoid flight interruptions, reduces replacement frequency, and cuts operational costs.

Comparison of Mainstream Drone Battery Types

1) Lithium Polymer Battery (LiPo Battery)

• Pros: Lightweight, high discharge rates, ideal for high-speed drones
• Cons: Requires careful charging/discharging; needs dedicated charger and BMS
• Features: Very high discharge rate (up to 30C+), low weight
• Best for: Racing drones, crop-spraying drones, high-power applications
• Caution: Prone to swelling; must avoid overcharging/discharging

2) Lithium-ion Battery (Li-ion Battery)

• Pros: Long cycle life, high energy density, suitable for long-duration missions
• Cons: Lower discharge rate, not ideal for burst current applications
• Features: Excellent energy-to-weight ratio, long lifespan, good thermal stability
• Best for: Fixed-wing drones, long-endurance surveillance drones, delivery drones
• Caution: Lower discharge rate (≤3C), not suitable for sudden high-current demands

How to Match Battery Capacity with Flight Time?

Battery capacity and flight time are key metrics for drone buyers. Use the formula below:

Flight time (min) ≈ Battery capacity (mAh) × Voltage (V) ÷ Power consumption (W) × 60

Example: A 6S battery (22.2V) × 10,000mAh (10Ah) used in a drone with 500W power draw:
10Ah × 22.2V ÷ 500W × 60 ≈ 26.6 minutes

Procurement Tips:

• Match battery capacity to the drone’s max payload and expected flight redundancy (keep 20%–30% capacity margin)
• Higher voltage reduces current and cable losses—ideal for high-power systems
• For endurance-focused drones, consider series/parallel battery configurations

Safety Maintenance: A Key Procurement Priority

Drone Battery Safety Checklist:
Equipped with BMS (Battery Management System)
Supports balanced charging
Includes overvoltage, overcurrent, and short-circuit protection
Certified with UN38.3 / MSDS / CE

Transport Regulations: Critical for Cross-border Procurement

Drone batteries for air transport must pass the UN38.3 test

Packaging must be shockproof, insulated, and anti-static

Proper labels like “Contains Lithium Battery” are mandatory for shipping

Summary of Procurement Recommendations

Dimension	Recommendation
Battery Type	Use Li-ion for long missions; LiPo for high burst power
Capacity Selection	Estimate flight time, then add 20% safety margin
Safety Certifications	Prioritize batteries with MSDS, UN38.3, and CE
Supplier Standards	Choose vendors offering customization, after-sales support, and shipping compliance

Conclusion

Procuring safe and high-performance batteries is the first step toward successful drone operations. Whether your drone serves agricultural spraying, energy inspection, or delivery missions, a high-quality battery underpins operational efficiency, safety, and cost control.
To ensure procurement success, always choose the right battery type, a compliant brand, and an experienced manufacturer.