Type: Battery TesterCurrent measurement range: 10-200 (A)Current measurement accuracy: 0.1 (A)Voltage measurement range: 12 (V)Voltage measurement accuracy: 0.1 (V)Internal resistance measurement range: 0-2000 (mΩ)Internal resistance measurement accuracy: 0.1 (mΩ)Capacity measurement accuracy: 1 (AH)Power supply voltage: 12 (V)