25.9V 39Ah 7S Lithium Battery Pack 29.8V Charge Voltage 1C Charge 3C Continuous Discharge 3.15kg 7990211mm Rechargeable Energy Storage Battery For Industrial Equipment And Power Supply Applications
25.9V 39000mAh high‑capacity drone battery
1 Product Introduction
This 25.9V 39Ah 7S lithium battery pack delivers stable and reliable power output tailored for a wide range of industrial and mobile power applications. Designed with 1C standard charging and up to 3C continuous discharge capability, it effectively supports high current load requirements while maintaining steady and consistent performance throughout the discharge cycle. The battery features a 29.8V limited charge voltage and 19.2V cut-off voltage, which work to protect individual battery cells and significantly extend the overall service life of the pack.
Boasting compact dimensions at 7990211mm and a total weight of 3.15kg, this battery pack is lightweight and space-saving, making it easy for seamless equipment integration and quick installation in various device layouts. Built with high quality lithium cells and integrated protection circuits, this battery pack actively prevents overcharge, over discharge, over current and short circuit risks to ensure safe and stable operation across different working environments.
We are a direct manufacturer supplying high-performance battery packs with strict quality control protocols and full production traceability for every batch of products. Customization options are available to accommodate different dimension, connector and communication requirements to match your unique equipment specifications. Our factory supports bulk order delivery with reliable after sales service to fully 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.

7S 39Ah lithium battery pack
,25.9V rechargeable energy storage battery
,3C discharge industrial equipment battery
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