High-quality battery management system (BMS) protection boards designed for use with rechargeable lithium-ion battery packs. These modules help ensure battery safety and reliability by preventing overcharging, over-discharging, overcurrent, short circuits, and overheating. Suitable for 18650, 26650, and lithium polymer cells with nominal voltages of 3.6V or 3.7V.
Available for various configurations from 1S to 6S (single to six-cell series) and different current ratings depending on your project's power needs.
Key Features: • Supports 1S to 6S lithium-ion battery packs • Integrated protection: – Overcharge & overdischarge – Overcurrent & short circuit – Temperature protection (in some models) • Compact PCB design for easy integration • High-quality components for long-lasting performance • Suitable for a wide range of applications including drills, tools, DIY packs, and robotics • Easy to install for professionals and electronics hobbyists
Specifications (examples): 1S 3.7V (3A) – Basic module with protection IC and MOSFETs for single-cell 18650 battery 3S 12.6V (20A) – Suitable for battery packs in drills and medium-power applications 4S 16.8V (30A) – High current protection board for up to 100W output systems 6S 25.2V (30A MAX) – Full-featured protection including auto-recovery and temperature control
Typical Dimensions: • 3S: 64 × 20 × 3.4 mm • 6S: 50 × 30 × 2 mm • Weight: Approx. 4–5g (varies by model)
