Features: The module has multiple safetyprotection functions, including overvoltageprotection, overtemperatureprotection, and short circuitprotection, which can effectively prevent the battery from overcharging, overdischarging, and overheating, and ensure the safety of users and devices. The module adopts high efficiency equalization algorithm, which can realize battery equalization quickly, improve charging efficiency and save charging time. The module is suitable for various types of lithiumbatteries, including lithiumion batteries, lithiumpolymer batteries, etc., with good compatibility, it can be widely used in all kinds of electronic product sold by crossborderecommerce. The module is small in size, easy to install, and only needs to beconnected to the battery pack to start working, without complicatedsetup and debugging. Suitable for all kinds of industrial equipment, such as robots, electric vehicles, solar energystorage system, etc., to provide efficient and safe battery balancing solution. Specifications: MaterialPCB Type: 2S/3S/4S/5S/6S/7S/8S Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 Set Active Balancer Board