BMS Protection Module 3S 10A for Li-Ion Battery (12.6V)
Compact 3S BMS protection module for Li-Ion batteries up to 10 A. Provides full protection against overcharge, overdischarge, overcurrent, and short circuit. Perfect for DIY power banks, LED systems, and small electric drives.

This 3S BMS (Battery Management System) module is designed for three-cell Li-Ion battery packs (11.1 V nominal, 12.6 V fully charged) and delivers comprehensive protection against overvoltage, undervoltage, short circuit, and overload up to 10 A. Integrated MOSFETs ensure fast, reliable protection with auto-recovery once safe conditions are restored. With an ultra-low standby current (<30 μA), it helps extend battery life. Thanks to its compact size (approx. 50 × 17 × 3 mm) and lightweight build, it’s an excellent solution for portable electronics, DIY power banks, LED lighting, lightweight e-scooters or handheld tools.
Technical specifications:
Cell configuration: 3S (11.1 V nominal)
Max charging voltage: 12.6 V
Continuous discharge current: 10 A
Battery type: Li-Ion (e.g. 18650)
Protection: overcharge, overdischarge, overload, short-circuit
Auto-recovery: Yes
Standby current: < 30 μA
Dimensions: approx. 50 × 17 × 3 mm
Weight: ~4 g
Operating temperature: −40 to +50 °C
Additional parameters
Category: | Other |
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Weight: | 0.004 kg |
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