43.8V 35Ah 1533Wh Lithium‑ion Battery Module High‑Energy‑Density Rechargeable Lithium Battery Pack Factory Direct Supply For Industrial Equipment Energy Storage Heavy‑Duty Application Long Cycle Life
43.8V 35000mAh high‑capacity drone battery
1 Product Introduction
This high‑performance lithium‑ion battery module delivers stable 43.8V output with 35Ah capacity and 1533Wh energy, featuring high weight‑energy‑density design to achieve excellent power output and reliable long‑term operation. Manufactured under strict quality management systems, every battery unit has completed full UN38.3 safety tests including altitude simulation, thermal cycling, vibration, shock, short‑circuit and crush tests, effectively avoiding risks of leakage, fire and rupture for secure daily use.
Sourced directly from our factory, we provide standardized bulk supply with complete transport safety documents including MSDS, sea & land transport identification reports, supporting global sea, land and air shipment. Boasting outstanding cycle performance, this battery pack adapts to multiple heavy‑duty scenarios such as industrial power supply, off‑grid energy storage and special‑device power system. Strict raw‑material screening and standardized production processes guarantee consistent batch quality. We support custom service for your actual application demand, to deliver dependable energy‑storage power solutions for your projects.

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.

43.8V 35Ah lithium-ion battery pack
,high-energy-density rechargeable battery module
,industrial equipment energy storage battery
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