21.9V 35Ah High Capacity Lithium Ion Battery Module 766Wh Rechargeable Battery Pack Factory Direct Manufacturing For Off Grid Storage Industrial Devices Heavy Duty Operations

21.9V 35000mAh high‑capacity drone battery

1 Product Introduction

  Built for demanding real‑world applications this 21.9V high capacity lithium ion battery module provides 766Wh of usable power with excellent energy density to sustain long run time for off‑grid storage units and different kinds of industrial equipment. The battery has gone through comprehensive UN38.3 safety assessments covering altitude simulation vibration shock external short circuit and mechanical crush ensuring stable operation and low failure rate in variable working environments.
  We are the original manufacturer with complete in‑house production lines to deliver factory direct output. Rigorous multi‑step quality control is carried out during production. Each finished unit is fully inspected before leaving the factory to guarantee steady performance. We support large volume wholesale orders and custom parameter adjustments. Matched sea land air transport solutions are available to meet diverse project power demands across multiple industries.

2 Product Specification

3 Product Performance

4 Certification

5 Production, Packaging and Delivery

6 Typical Applications

  Solutions for Different Scenarios, Get Best Performance Possible

  The blooming low-altitude economy emerged scenarios like consumer drones, agricultural UAVs, logistics drones, and eVTOLs, etc.Battery for different scenarios requires differently, which can't be perfectly covered by current battery technology, that is, the "impossible triangle" (energy density, rate, and cycle life).
  BTR provides corresponding battery solutions for diferent scenarios, giving full play to the product performance advantages,and achieving both price and performance.