25.9V 39000mAh high‑capacity drone battery

1 Product Introduction

This 25.9V 39Ah 7S lithium battery pack delivers stable and reliable power output for industrial and mobile power applications. Designed with 1C standard charging and up to 3C continuous discharge capability, it supports high current load requirements while maintaining consistent performance. The battery features a 29.8V limited charge voltage and 19.2V cut-off voltage to protect cells and extend service life.

Compact dimension at 7990211mm and total weight of 3.15kg make it easy for equipment integration and installation. Built with high quality lithium cells and integrated protection circuits, this battery pack prevents overcharge over discharge over current and short circuit risks to ensure safe operation in different working environments.

We are a direct manufacturer supplying battery packs with strict quality control and full production traceability. Customization options are available for different dimension connector and communication requirements. Our factory supports bulk order delivery with reliable after sales service to meet your 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.