1、Compact size, light weight and portable, wear resistant and can provide long sercive time. 2、Large LCD display, you can see the voltage, current, capacity, time, power, energy and other test data clearly. 3、5A recharging, 20A discharge, the maximum power is 85W. 4、3 working modes settable design, you can set DSC-CC, DSC-CP, CHG-CV according to your demands. 5、Multifunctional, it can be used to test the battery capacity, simulate constant power equipment, and test lithium and leadacid battery. 6、Support separate recharge and discharge and recharge-discharge-recharge test. 7、Support c-omputer online control, curve plotting, calibration benchmarking, firmware upgrade, cycle recharge/discharge etc.. 8、Two configurations optional, you can choose according to your demands. Specifications: Name: Battery Tester Model: EBC-A20 Material: aluminum alloy Voltage setting: Discaharge: 0.00-30.00V, the minimum step 0.01V Recharge: 0.00-18.00V, the minimum step 0.01V Current setting: Discharge: 0.10-20.00A Minimum step 0.01A (automatic limit current when power is overrun) Recharge: 0.10-5.00A Minimum step 0.01A (the maximum current is less than the supply current when the voltage is above 10V ) Mode setting: DSC-CC: discharge current is constant, it can be used to test the battery capacity DSC-CP discharge power is constant, used to simulate constant power equipment CHG-CV: constant current constant voltage recharging, applicable to test lithium and leadacid battery Automatic recharging and discharging: support "automatic recharging - discharge - recharging mode", it can be used to test battery capacity Voltage test: 0.000-4.500V (low pressure gear) accuracy to 0.003V, error  ±0.5% 4.50V-30.00V (high pressure gear) accuracy to 0.01V, error  ± 0.5% Current test: 0.10-20.00A, accuracy to 0.01A, error  ± 0.5% Capacity test: 10Ah, the resolution is 0.001Ah 10Ah-100Ah, the resolution is 0.01Ah above 100Ah,  the resolution is 0.1Ah Connection: four wire detection, voltage test and current channel are separate wiring, to ensure measurement accuracy LCD display: voltage, current, capacity, time, power, energy and other test data Computer Online: dedicated USB to TTL serial port (Mini USB port, not an ordinary USB cable) computer control, curve plotting, calibration benchmarking, firmware upgrade, cycle recharge/discharge etc Package size: 280 * 240 * 150mm / 11.02 * 9.45 * 5.91in Package weight: Simple configuration: 1200g / 2.65lb Standard configuration: 1800g / 3.97lb ​1 * Battery Tester 1 * Test Lines