66.6V 27000mAh high‑capacity drone battery

1 Product Introduction

This 18S 66.6V 27Ah lithium battery pack is specially developed for high-power industrial applications requiring stable voltage output, dependable long-term performance and prolonged cycle life. It supports a maximum continuous discharge rate of 5C and a maximum continuous charging current of 2C, rendering it ideal for heavy-duty UAVs, industrial drones, robotics and portable mobile power systems. Featuring a limited charging voltage of 75.6V and a cut-off voltage of 49.5V, the battery pack is designed to protect individual cells, avoid overcharging and over-discharging, and enhance overall safety during continuous and rigorous operation.

Boasting compact dimensions of 183 × 90 × 213mm and a light weight of 6.92kg, this product enables flexible integration into various equipment platforms while retaining outstanding energy density and stable power output throughout the discharge cycle. All battery packs are produced in our factory in compliance with stringent quality control procedures, and complete full-performance tests are conducted prior to delivery to guarantee reliable performance, steady power supply and safe on-site operation. As a direct manufacturer, we can deliver stable bulk supply, customized specifications tailored to specific project needs, and professional technical support for global customers in the industrial power sector.

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.