How to Customize a Lithium Battery Pack?
Your Complete Guide to OEM Battery Manufacturing

Customizing a lithium battery pack is a structured process that ensures your final product meets exact performance, safety, and dimensional requirements. Whether you’re developing a battery for an electric bike, electric vehicle, energy storage system, or industrial equipment, following a proven workflow guarantees reliable results. Below is our 8‑step custom battery development process, used by engineers and OEM clients worldwide.

📋 Customization Process

1. 1. Motor / Load Analysis – Define your application’s working voltage, continuous current, peak current, and power requirements. This determines the battery’s fundamental electrical parameters.
2. 2. Dimensional & Configuration Design – Provide available space (L×W×H) or enclosure constraints. Our engineers calculate the optimal cell arrangement (series/parallel) and pack geometry.
3. 3. BMS (Battery Management System) Development – Based on charge/discharge voltage, current, heat dissipation needs, and communication protocols (CAN, RS485, Bluetooth, 4G), we design a custom BMS with over‑charge, over‑discharge, over‑current, and temperature protections.
4. 4. Cell Selection – Choose from premium cell types: 18650, 21700, 26650, 32650, Li‑Po, high‑rate LiPo, or LiFePO₄ prismatic cells (e.g., CATL, EVE, CALB). We recommend the best chemistry for energy density, power, or cycle life.
5. 5. First Prototype Build – A functional sample is assembled with the selected cells, BMS, and wiring. We perform visual inspection, dimensional check, and preliminary electrical testing.
6. 6. Outer Shell / Enclosure Selection – Choose from ABS plastic, aluminum alloy, or PVC shrink wrap. For outdoor or marine use, we offer IP65/IP67 waterproof cases.
7. 7. Second QC & Formation – The prototype undergoes full formation cycling, capacity testing, internal resistance measurement, and safety validation (over‑charge, over‑discharge, short circuit).
8. 8. Volume Assembly & Mass Production – After approval, we proceed to production‑scale assembly, final QC, and delivery with full traceability and test reports.

🔧 Why Choose Our Custom Battery Service?