66.6V 50000mAh high‑capacity drone battery

1 Product Introduction

This 18S 66.6V 50Ah lithium battery pack is engineered for reliable high-power output to meet diverse power supply demands across different heavy-duty applications. It supports up to 5C continuous discharge while maintaining stable voltage performance under heavy load conditions, paired with 1C standard charging current for safe and efficient repeated charging cycles. The battery adopts precise voltage protection design with 76.5V limited charge voltage and 45V discharge cutoff voltage to effectively prevent overcharge, over-discharge and extend cell service life significantly.

Manufactured directly from our factory, every battery undergoes strict multi-stage quality testing before shipment to verify electrical performance and safety indicators. We can provide stable bulk supply and flexible customization service to fit industrial equipment, electric mobility and energy storage scenarios. Compact structure with optimized dimension and weight design makes installation and integration easier for system builders. Built-in protection system safeguards the battery against short circuit, over current and abnormal temperature, delivering consistent and dependable power performance for your equipment during long-term operation.

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.