21.9V 35000mAh high‑capacity drone battery

1 Product Introduction

This high‑performance 21.9V rechargeable lithium‑ion battery module delivers 766Wh power output with outstanding weight‑energy density, offering stable and reliable power support for diverse heavy‑duty devices and energy‑storage scenarios. Rigorously tested to meet UN38.3 transport standards, the battery module passes strict safety tests including altitude simulation, vibration, shock, external short‑circuit and crush test, ensuring excellent safety and long‑term service life under complex working conditions.
Sourced directly from our own manufacturing facility, we provide factory‑direct supply with strict quality control throughout the whole production process. Every unit undergoes comprehensive inspection before delivery to guarantee consistent product quality. We support batch order customization and flexible shipment solutions for sea, land and air transport, perfectly matching your industrial equipment, mobile power system and other project power‑supply demands.

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.