Features: 1. It is used to equalize the voltage between lithium batteries and has no impact on the independent operation of the protection board. 2. The equalization can reach 1.5A and the accuracy is over 3mV. It is suitable for PACK battery packs, maintenance, and DIY battery packs. 3. Lithium battery active balance energy transfer board Equalizer high efficiency energy transfer balance lithium battery active. 4. Suitable for ternary lithium, lithium iron phosphate, lithium titanate. 5. Capacitive energy transfer equalization board (high precision 3mv) Product Specifications: Product Name: Lithium Battery Capacitive Active Equalization Board Product Specification: 4S mini (4S backward compatible with 3S battery) Product Size: 41 mm x 17.5 mm Suitable for Battery: Lithium iron phosphate, Lithium ternary Equalization: 1.5A maximum (different from differential pressure, internal resistance, line resistance, etc.) Equalization Accuracy: 3 mV Support: PH2.0 24AWG 30cm Material: PCB Color: Purple Package Contents: 1 x Lithium Battery Active Equalization Module 1 x 30cm Connection Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1-3 cm.