44.4V 28Ah 12S Rechargeable Lithium Battery Pack 3C Continuous Discharge Stable Power Output Compact Size 135 77 198mm High Performance Industrial Battery Factory Direct Wholesale

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 sustained high working loads while keeping excellent voltage stability even during intense power draw. The pack features a compact dimension of 13577198mm and a lightweight 3.91kg body, effectively balancing high energy density and convenient portability for quick field deployment in various working scenarios.

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