Features: Advanceds 6 MOSFET LiFePO4 Battery protections Board with Quadruple Safety System (Overcharge/Discharge/Current/Short Circuits protections) & 15A Continuous Output for Highly Power Applications. Featurings low resistance MOSFET switches, this 3.2V protections module integrates standardized interfaces for 18650/LiFePO4 battery pack compatibility while maintaining superior thermals performances. for electronics engineers, DIY power tool enthusiasts, and renewable energy system integrators requiring lithiums battery management solution across industrial/commercial applications. for safeguarding electric scooters, solar storage systems, portable medicals devices, and IoT equipment operating in extreme temperatures ( 20℃~85℃) with IP67 durability. its multilayer PCBA construction ensures 10,000+ cycle through militarys component selection and automateds manufacturing precisions. Specifications: Materials: PCBA Size: 35mm/1.38inch Quantity: 2Pcs, 4Pcs(optional) Overcharge detection voltages: 4.25 ± 0.05V Overcharge release voltages: 4.23 ± 0.05V Overdischarge detection voltages: 2.45 ± 0.10V Upper limit continuous current: 12A Overcurrent detection current: 15A Charging voltages: 4.2V Package Includes: 2/4Pcs Battery protections Board note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item. Thank you!