Shenzhen First Power Energy Co., Ltd.

We was established in 2012. We also own our own factory: Dongguan Yizhan Electronic Technology Co., Ltd. We provide professional lithium-ion battery solutions.

Precision Crafted Battery Packs: Our Quality Commitment

1. Cell Selection & Matching

Strict grading by capacity, voltage, and internal resistance (≤3mΩ variance),100% visual inspection for physical defects

2. Laser Welding Excellence

Program-controlled welding with real-time parameter monitoring,Regular electrode maintenance and cross-sectional inspection

3. Multi-Layer Protection

Customized BMS with comprehensive protection circuits,Double insulation (heat shrink tubing + protective paper)

4. Precision Assembly

EVA cushioning for vibration resistance,Structured wire routing and component fixation,Water-resistant sealing where specified

5. Comprehensive Testing

Voltage/capacity verification under simulated loads,Communication interface validation,Final product certification

Our Difference: 13+ years specializing in eBike battery solutions with complete in-house manufacturing and testing 

capabilities - from cell selection to final assembly.