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Custom Lithium Battery Packs for UAVs, Power Tools & More

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China 18650 2000mAh 3.7V lithium ion rechargeable battery pack by Apsenx
China 18650 2000mAh 3.7V lithium ion rechargeable battery pack by Apsenx
18650 lithium ion battery powering electric tools and devices
Rechargeable 18650 lithium ion battery used in high-power flashlights
OEM and ODM 18650 lithium battery customization with branding and connectors
Advanced China manufacturing process of 18650 lithium ion batteries
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Apsenx 18650 Cylindrical Lithium Battery

This is a 2000mAh battery that actually gives what it promises. Works with high-power flashlights, power banks, e-vaporizers, power tools, electric logistics vehicles, microcars, e-tools, and electric two-wheelers.

Holds its charge for a long time thanks to low self-discharge tech—so it doesn’t lose juice sitting on the shelf.

Built tough: handles high power, vibration, and heat without trouble.

Apsenx 3.7V 2000mAh 18650 battery delivers steady, reliable energy. Great for flashlights, laptops, portable power banks, or any device that needs consistent power for a while.

18650 2000mAh Battery Specifications

Model & Type

  • Model Name: Apsenx-18650-2000mAh – Standard cylindrical lithium-ion battery, compact design for easy integration.
  • Battery Form Factor: 65 × 18 mm – Fits most electronic devices, flashlights, power banks, and tools.

Nominal Voltage

  • Cell Voltage: 3.7V – Provides stable, consistent output for reliable device operation.
  • Pack Voltage: 3.7V – Ensures uniform performance when used in single-cell or pack configurations.

Capacity

  • Cell Capacity: 2000mAh – True capacity for extended runtime, avoiding exaggerated claims.
  • Battery Pack Capacity: 2000mAh – Supports high-drain devices, electric vehicles, and industrial tools.

Voltage Range

  • Operating Range: 2.5V – 4.2V – Suitable for heavy-duty and precision electronics without over-discharge risk.
  • Cut-off Voltage: 2.5V – Protects battery life while ensuring safe device operation.

Power & Energy

  • Energy Output: 7.4Wh – Efficient energy delivery for continuous operation in portable electronics.
  • Power Application:Ideal for high-power flashlights, portable tools, and micro vehicles requiring stable voltage.

Cycle Life & Durability

  • Cycle Life: >800 cycles – Maintains performance after repeated charge and discharge.
  • Mechanical & Thermal Resistance: High tolerance to vibration, shock, and high temperatures for industrial and outdoor use.
SpecificationDetails
ModelApsenx-18650-2000mAh
Cell Voltage3.7V
Battery Pack Voltage3.7V
Voltage Range2.5V – 4.2V
Cell Capacity2000mAh
Battery Pack Capacity2000mAh
Power7.4Wh
Battery Pack Size65 × 18 mm
Cycle Life>800 cycles

18650 2000mAh 3.7V Lithium-Ion Battery

This battery is powerful and reliable. Small, cylindrical, easy to handle, fits most devices without trouble. It’s rechargeable too, so you can use it again and again—saving money and cutting down waste.

The 18650 2000mAh 3.7V battery works well for laptops, power tools, electric vehicles, and other devices that need steady, consistent power.

As a China-based manufacturer and supplier, we focus on making high-performance batteries. Every battery goes through strict quality control and uses good materials to make sure it meets or exceeds industry standards.

Whether it’s for personal gadgets or commercial projects, we can help you get exactly what you need. We also offer customization to match your specifications so the battery delivers the performance and value you expect.

China 18650 2000mAh 3.7V Lithium-Ion Batteries

If you grab your 18650 2000mAh 3.7V batteries from us, here’s the deal:

The batteries are solid, meet industry standards, and usually punch a little above their weight. Prices are fair, shipping’s quick, and you’ve got plenty of room to tweak things to your needs.

Need help? We’re around. Questions, guidance, or just double-checking something—we get it done, no long waits. We want you to actually use the batteries without headache.

Customization Options

  • Capacity & voltage: 1500mAh, 2000mAh, 3000mAh, or whatever fits your project.
  • Wires & connectors: Change length, type—make it fit your device.
  • Branding & packaging: Your logo, your boxes, wholesale-ready.

Want a sample? Bulk order? Custom setup? Just shoot us a message. We’ll figure it out with you.

18650 2000mAh Battery FAQ

What devices are compatible?

High-power flashlights, laptops, portable power banks, electric scooters, power tools, and more.

How long does the battery last?

Over 800 charge cycles, maintaining over 80% of initial capacity with proper care.

Can I store the battery for a long time?

Yes, low self-discharge design minimizes natural power loss during storage.

Is it safe to use in high-temperature environments?

Absolutely. The battery is designed for high-temperature resistance and strong vibration scenarios.

Can I order custom battery packs?

Yes, we provide full customization including capacity, voltage, wires, connectors, and branding.

What makes your batteries different from generic ones?

Purpose-built for reliability and safety, high-quality cells, strict QC, and long-lasting performance even under heavy use.

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