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Custom Lithium Battery Packs for UAVs, Power Tools & More

Factory-Direct | High-Quality | Multi-Application

11.1V 4400mAh 3S2P lithium-ion battery pack made with 18650 cells for portable electronics
11.1V 4400mAh 3S2P lithium-ion battery pack made with 18650 cells for portable electronics
Apsenx 18650 3S2P lithium-ion battery pack 11.1V 4400mAh for robotics and medical

11.1V 4400 Mah Lithium ion 3S2P 18650 Battery Pack

Apsenx 11.1V 4400mAh 3S2P lithium-ion battery pack, built with high-quality 18650 cells, delivers stable power and long cycle life. Ideal for portable electronics, robotics, medical equipment, and customized embedded systems.

Reliable Lithium Battery Solutions for Electric Vehicles

Reliable Lithium Battery Solutions for Electric Vehicles

automotive-grade lithium battery packs are engineered for electric cars, hybrid vehicles, and electric motorcycles.
Reliable Lithium Batteries for Energy Storage Systems

Reliable Lithium Batteries for Energy Storage Systems

LiFePO4 battery packs for residential, commercial, and off-grid energy storage，long cycle life and scalable capacity options for solar and backup power.
Powering AGVs and Industrial Robots with Smart Battery Packs

Powering AGVs and Industrial Robots with Smart Battery Packs

Advanced lithium battery packs tailored for Automated Guided Vehicles AGVs, warehouse robots, and industrial automation systems.
Lightweight & High-Capacity Batteries for Drones

Lightweight & High-Capacity Batteries for Drones

Custom lithium battery solutions for UAVs and drones used in aerial photography, agriculture, surveying, and inspection. High energy density and stable discharge ensure longer flight time and safety.
High-Drain Lithium Batteries for Power Tools

High-Drain Lithium Batteries for Power Tools

Deliver consistent performance for drills, saws, and other cordless power tools.
Powering Everyday Electronics with Compact Lithium Batteries

Powering Everyday Electronics with Compact Lithium Batteries

high-energy-density lithium batteries are designed for smartphones, tablets, smartwatches, Bluetooth devices, and more

SpecificationDetails
Cell Model18650
Configuration18650 3S2P Battery Pack
Battery MaterialTernary Lithium Battery
Energy44.4Wh
Nominal Voltage11.1V
Dimensions (W × L × H)36mm × 54mm × 65mm
Standard Capacity4400mAh
Protection FeaturesOvercharge, Over-discharge, Short-circuit Protection, etc.
Continuous Current4A
Wires and TerminalsCustomizable according to customer requirements
Product FeaturesLeak-proof, Stable Discharge Performance

Grade A cells with high quality, made using premium materials and strict manufacturing processes. Features high energy density, safety, and reliability. Powerful endurance with large-capacity lithium batteries and various interface options. Contact us for customization.

Apusenx Professional R&D, production, and sales of high-quality lithium batteries.Can process and customize various specifications of  18650 battery packs

Strictly follow ISO9001 production standards
Short delivery time
Strong factory with strong production capacity and sufficient stock

customizable Service
Size, capacity, protection board and cable length can be customized as needed

Sufficient capacity
Reject false bids and ensure capacity

Improve service system
Quickly respond to customer problems and provide solutions

Customization Options

We offer flexible OEM & ODM services:

Capacity & voltage combinations：From 1500mAh to 3000mAh or higher (custom capacities).

Wire length & connector types：Customize the wire length or connectors for easy integration with your devices.

Branding & packaging：We can add your branding to the battery pack or packaging for wholesale orders.

Get Quote Today

Looking for a trusted supplier for compact lithium battery packs? Contact us now to get samples or custom solutions tailored to your application.

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