66.6V 35Ah lithium battery pack cut off voltage 49.5V high capacity rechargeable

Product Specification

66.6V 35000mAh high‑capacity drone battery

1 Product Introduction          

  This 18S 66.6V 35Ah lithium battery pack delivers stable and reliable power output tailored for industrial mobility robotics, electric vehicles and heavy-duty drone applications. Featuring a 3C maximum continuous discharge rating, this battery supports sustained high load operation while maintaining steady, consistent voltage performance throughout the working cycle. The pack is engineered with strict multi-layer voltage protection, including 76.5V limited charge voltage and 49.5V cut-off voltage, to secure safe charge and discharge cycles, prevent overcharge and over-damage risks, and effectively extend overall service life.

  We are the original manufacturer offering factory direct shipment without middlemen, which helps cut extra intermediate costs and shorten delivery lead times. Every battery undergoes comprehensive, standardized performance and safety testing before delivery to guarantee consistent product quality batch by batch. Its compact dimension and optimized weight design make installation easy and flexible to fit different equipment layouts and limited mounting spaces. Built with high quality cells, this power pack features excellent cycle performance, low self discharge rate and strong environmental adaptability to meet long-duration continuous operation requirements for various power equipment projects. Multiple customization options are available to match your unique project needs.

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.