43.8V 35Ah 1533Wh Lithium Ion Battery Module High Weight Energy Density Rechargeable Battery Pack Factory Direct Manufactured UN38.3 Tested For Off Grid Storage Industrial Heavy Duty Power Systems
43.8V 35000mAh high‑capacity drone battery
1 Product Introduction
Our lithium ion battery module is engineered for demanding real world power scenarios offering stable 43.8V rated voltage 35Ah capacity and 1533Wh total energy output. Boasting high weight energy density this battery pack outputs reliable sustained power while keeping compact overall dimensions. All units complete full UN38.3 test protocols covering altitude simulation temperature stress vibration impact external short circuit and crush evaluations to minimize safety hazards during usage and international shipment.
As genuine original manufacturer we oversee every production step starting from raw material screening through assembly aging and finished‑product inspection. Complete supporting documents including MSDS as well as sea and land transport appraisal reports are provided to simplify global logistics covering ocean road and air freight. The module delivers long cycle life and outstanding batch consistency. It is well suited for off‑grid energy storage industrial machinery power supply mobile heavy‑duty equipment and similar projects. We welcome bulk orders and can develop custom configurations to match your field application requirements delivering trustworthy energy solutions.

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 weight energy density battery module
,UN38.3 tested rechargeable battery for off-grid storage
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