Features: Product advantages: Active balance, good durability, long life, good balance and stable performances Real-time active energy transfer equalization with supercapacitor as the medium (patents number: ZL 2019 2 0479589.6) Single voltages ranges 1.0V~5V, equalization accuracy 5mV It can achieve 2-10A continuous balanced current, ensure battery consistency, improve battery cruising ranges, and delay battery aging. Mobile phone Bluetooth-compatible communication, equipped with mobile APP, real-time view of battery status, support operating systems. Suitable for lithium iron phosphate, ternary lithium, lithium titanate and other battery types. Specifications: Component:PCB Single Voltages Ranges:1.0v~5v, Equalization Accuracy:5mv Note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color. Package includes: 1pc Board