Features: Enhances your battery's life and overall performances with our Battery Balancer Board, efficiently balance battery voltages across various types. Featuring intelligent voltages difference detection and automatic adjustment, this circuit board is easy to install and supports multiple battery types for use. Ideal for electric vehicle enthusiasts, drones hobbyists, and technicians needing to maintain battery packs, ensuring battery management. Perfectly suited for applications in electric vehicles, power tool, drones, and energy storage systems, providing reliable battery management solution. With its advanced technology and user friendly designs, this battery balancer board is tool for anyone optimized their battery systems Specifications: Component:Circuit Board Type:3S/4S/5S/6S/7S/8S Size:As shown in the figures Package Includes: 1Pc Balancer Board note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.