Real-time, active, energy fer equalization, after the balance, the inter-cell pressure difference less than equal 3mV Support 2S to 24S battery packs. Single cell voltage collection range: 1V - 5V, accuracy: ± 3mV. Support all pool types such as: Li-ion, Lipo, Lifepo4, LTO, super capacitors and other batteries. The balance current is set independently in the range of 0.1-4A, independent of the cell voltage difference. Support balanced cascading to apply to more than 24S of battery packs, in theory, can be cascaded indefinitely; for exampel, can 28S, 32S, 36S, 40S... Support Bluetooth communication, equipped with mobile APP, real-time view of battery status. Equilibrium line resistance detection, abnormal contact failure is found in advance. Power supply range: 40V-100V. Low voltage shutdown function to prevent battery damage. Super self-protection function, any equalization of the equalization line will not burn the equalizer. Due to different product batches, the appearance may vary, which does not affect the use. Colour:Black Material:Aluminum Alloy+Plastic Package Contents: 1 * Smart Active Balancer 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.