12S 44.4V 28Ah Lithium Battery Pack Max 3C Continuous Discharge High Capacity Rechargeable Power Battery Lightweight 3.91kg For Industrial UAV And Mobile Power Equipment Factory Direct Supply

44.4V 28000mAh high‑capacity drone battery

1 Product Introduction        

  This high performance 12S 44.4V 28Ah lithium battery pack is engineered to deliver stable and reliable power output for industrial unmanned aerial vehicles and other heavy load mobile equipment. Rated at 28Ah nominal capacity with a 3C maximum continuous discharge capability, this battery maintains consistent power delivery under high working loads while keeping excellent voltage stability. The pack features a compact dimension of 13577198mm and a lightweight 3.91kg body, balancing energy density and portability for field deployment.

  We are the original manufacturer offering factory direct shipment to global buyers. Every battery pack undergoes strict quality testing during production to ensure safety and long cycle performance. Built in protection mechanism safeguards the battery against overcharge over discharge over current and short circuit, greatly extending service life. The standard charge current is 1C with a maximum charge voltage of 51V and cut off discharge voltage at 33V, fully optimized for daily cyclic operation. Customization options are available for connector and cable configuration to match your equipment requirements.

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.