2A balancing current is fully turned on, whether it is charging, discharging or static state, the voltage difference exceeds the trigger value, and balancing starts automatically. PCB triple-proof , double-layer heat dissipation aluminum sheet, faster heat dissipation, more stable performance. Bluetooth communication, Chinese and English bilingual switching, compatible with mainstream mobile phones. 8 types of functional protection make the battery . Active balancing, real-time uninterrupted detection. Continuous current: 60A Maximum current: 100A Number of supported strings: 4-8S Balanced current: 0.4A Battery type: for ternary/lithium iron Other : Built-in Bluetooth, Android and for app available The product appearance and printed words depending on the batch, but this does not affect use. Colour:As Shown Material:PCB+Aluminum Package Contents: 1 * Lithium Battery Protection Board Kit 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.