Features: brand new and high quality There are 3 types, EU/UK/US Standard, choosing according to your region. 3 working modes settable design, you can set DSC-CC, DSC-CP, CHG-CV according to your demands. 5A recharging, 20A discharge, the maximum power is 85W. Large LCD display, you can see the voltage, current, capacity, for time, power, energy and other test data clearly. Compact size, light weight and portable, wear resistant and can provide long sercive for time. Can be used to test the battery capacity, simulate constant power equipment, and test lithium and leadacid battery. Specifications: MaterialL: Alloy Voltage test: 0.000-4.500V (low pressure gear) accuracy to 0.003V, error 0.5% 4.50V-30.00V (high presure 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, for time, power, energy and other test data C-omputer Online: dedicated USB to ttl serial port (Mini USB port, not an ordinary USB cable) c-omputer control, curve plotting, calibration benchmarking, firmware upgrade, cycle recharge/discharge etc Note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 x Battery Capacity Tester 1 x Test Lines 1 x USB to Port Line 1 x19V 4A Power S-upply