Factory & Production
2Manufacturing Bases
15Years Experience
250Workers
7,500Factory Area (㎡)
QSO has 15 years of experience in the LiFePO4 battery industry with a professional R&D team and strict quality control, dedicated to LiFePO4 battery research and production.
We specialize in LiFePO4 cells, battery packs, BMS, DIY kits and one-stop service for home energy storage and backup power. With 2 manufacturing bases, 250 workers and a 7,500㎡ factory area, QSO is your reliable partner for sustainable energy solutions.
Production Process




Quality Control System
1. Incoming Cell GradingAutomated high-precision capacity & IR testing; only Grade A EV-class cells enter production
2. In-Process ControlMaterial inspection records and supplier assessment at every workstation
3. End-of-Line Testing100% full charge/discharge cycling plus BMS logic verification before packaging
Company Facts
| Manufacturing Bases | 2 |
|---|---|
| Years of Experience | 15 |
| Workers | 250 |
| Factory Area | 7,500 ㎡ |
| Founded | 2016, Shenzhen, China |
| Nearest Port | Shenzhen Port |
| Overseas Warehouses | EU · Spain · US · Germany · Poland (5-7 day delivery) |
| Main Markets | Western Europe 60% · North America 10% · Oceania 10% · Middle East 10% · South America 5% |
| Production Range | LiFePO4 cells (50Ah-628Ah) · battery packs (12V-51.2V) · DIY kits · BMS · one-stop service |
| R&D Capability | Proprietary BMS architecture: CAN/RS485 communication, active balancing, multi-layer temperature protection, cloud monitoring |