... 12 V, 4000 mAh;Ø recharging voltage: input AC220V frequency 50 Hz, output DC + 15 V.Ø screen: 5.7 ... x 159 x 45Ø host weight: 1.3 kg D.the test items, mileage and accuracy.And the engine ... % degree is obtai AAnd charging electric current, 0 ~ 50 A, plus or minus 5% degree is obtai AAnd acceleration ... and low frequency only hasØ maximum signal amplitude: ± 50 VDC or single 100 VDC, with the probe can be ...