This lithium battery active balancing energy is an management device specially designed for lithium battery packs. It uses active balancing technology to monitor and automatically adjust the voltage and power of each single cell in the battery pack in real time to ensure that the battery pack always maintains its best condition during work. Features -Color:Multi -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. - transfer: quickly balances the battery pack's energy, improving overall performance. -High current balancing: supports high current output, suitable for high-power devices and demands. -Universal for ternary lithium batteries: suitable for various ternary lithium battery packs, with wide applicability. -Stable and reliable: made with safe materials and advanced technology, ensuring stability and reliability. -Easy to use: simple installation and user-friendly operation, no additional professional knowledge or tools required. Package list: 1 x Lithium active equalizer energy