BMS Protection Board 3S/4S 5A/15A 12V/16V 3.7V for 18650 Lithium Battery Start Power Supply Charge Board

Compact, robust BMS designed for 18650 lithium battery packs — available for 3S and 4S configurations and in 5A or 15A current versions. Suited for 12V/16V systems with 3.7V cell chemistry, this protection board delivers reliable pack management for start power and charge applications. Protection features: - Continuous discharge current limiting - Charging and discharging current limit protection - Over-charge protection - Over-discharge protection - Over-temperature protection Compatibility and versions: Built to work with 3S (12V) and 4S (16V) 18650 battery arrangements, the board accommodates common pack limits and battery sizes. Offered in both 5A and 15A variants to match different current requirements. Installation and use: The board’s compact footprint and a clear connection diagram make paneling and wiring straightforward. It’s designed for easy integration by professionals and DIY users alike. Performance and durability: Manufactured with quality components and a modern circuit layout to provide stable power delivery, dependable protection, and extended battery life under normal operating conditions.