25.9V 35000mAh high‑capacity drone battery

1 Product Introduction

This 25.9V 35Ah 7S lithium battery pack is engineered for high performance and long term reliability. With a maximum continuous discharge rate of 5C, it delivers strong and steady power for demanding applications such as industrial machines, robotics, electric vehicles, AGVs, portable power systems and energy storage installations. The integrated battery management system monitors each cell and protects against overcharge, over discharge, over current and short circuit, improving both safety and cycle life.
Designed for high capacity and stable output, this battery supports efficient 1C charging and maintains consistent voltage under heavy load. Its compact structure and lightweight housing make it suitable for space constrained applications where reliable power is critical. Every unit is manufactured under strict quality control and tested before shipment to ensure stable performance upon arrival.
We are a direct factory source with professional production lines and experienced engineering support. From standard battery packs to custom requirements, we help customers select the right power solution for their projects. Bulk orders are available with flexible delivery terms and reliable after sales support. If you need a high power lithium battery for industrial, commercial or mobile power applications, this 25.9V 35Ah pack is a practical choice.

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.