The transfer plate has excellent energy conversion efficiency and the within the battery pack in the shortest time, avoiding battery overcharge and over-discharge problems. At the same time, its intelligent management system can monitor battery status in real time and provide you with comprehensive battery protection. Features - ColorAssorted Color -Material:Plastic -Size:5.50X2.50X0.80cm/2.16X0.98X0.31in (4S) -Size: 4.00X2.50X0.80cm/1.57X0.98X0.31in (3S) -Working voltage: 2. -4.5V. -The adjacent voltage difference is more than 0.1V (the current is about 0.5-0.7A); -The adjacent voltage difference is more than 0.2V (reaching the maximum balancing current of 1.2A); -The smaller the voltage difference, the smaller the balancing current. -Note: -It is suitable for ternary lithium iron batteries, but not for LTO lithium titanate batteries. - redistribution: effectively redistributes energy within lithium battery packs, . -High current balancing performance: capable of handling high current output, perfect for demanding power requirements. -Versatile compatibility with ternary lithium batteries: compatible with various ternary lithium battery packs, offering versatility. -Reliable and stable operation: built with safe materials and advanced technology for reliable and stable performance. -User-friendly and easy to use: simple installation and intuitive operation, no knowledge or tools needed. Package list: 1 x Lithium active equalizer energy