Koolertron Wireless Battery Tester Digital Multimeter Charge-Discharge DC 0-100V 0-30A, Volt Meter/Ammeter/Watt Meter/Time/Temperature/Capacity/Electricity Usage Monitor/Coulomb Counter (100A)

Note: The instrument can detect and display current of charging and discharging, but it can not detect current of two directions at the same time Relay is not included Specifications: Capacity display range: 0%-100% Power measurement range: 0-200kW Power resolution: 0.001W AH measurement range: 0-2000kAH Capacity resolution: 0.001AH Watt-hour measurement range: 0-4000kWH Watt-hour accuracy: 0.001WH Time measurement range: 0-99 days Time resolution: 1 second Communication channel range: A-Z (26 channels) Communication channel range: 01-99 Voltage accuracy: ± 2% + 3 words Current accuracy: ± 5% + 10 words Sampling rate: 5 times / second Communication distance: up to 10 meters Measurement module power consumption: About 0.4W Display module power consumption: 0.5W NCP: 0-300A (negative over-current protection setting) OCP: 0-300A (positive over-current protection setting) OVP: 0-100V (over-voltage protection setting) LVP: 0-100V (under-voltage protection setting) Protection delay time: 0-10s Package Included: 1 x Wireless Battery Tester Display Module 1 x Wireless Battery Tester Measurement Module 1 x Temperature Cable 1 x USB Cable 1 x 2P Power Cable 1 x English User Manual