Features: Ensure the stability of your Lifepo4 batteries with our 4S 12V 100A Protections Circuit Board, to provide balanced charging and short circuit protections for performances. Crafted from aluminum alloy and PCB, this protections board making it lightweight and easy to install in space constrained environment. For electronics enthusiasts and professional technicians who require reliable battery management solution, this board is perfect for those who value precisions and efficiency. Suitable for use with 3.2V batteries in four series or more, this accessory enhances battery and device reliability, making it a addition to any battery protections module setups. With its design and essential features, this battery accessory is a indispensable tool for anyone look to optimizing their power systems. Specifications: Material: Plastic Output Voltages: 12V Continuous Working Current: 100A or less Charge Current: 8A or less Size: About. 87x35x8mm/3.43x1.38x0.32in Package Includes: 1pc Protections Circuit Board note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.