Features:  1.1 Battery capacity test:  The tester is designed for charging and discharging a wide range of batteries/battery banks, like NiMH, NiCd, LiPo, LiFe and Pb and it supports capacity tests.  1.2 Portable Power Bank Test:  This tester supports charging and discharging of portable power banks, as well as testing their capacities.  1.3 Power Performance Test:  This tester supports performance and aging tests of various kinds of DC power supplies.     Specifications:  1) Power Supply: AC 220V (200-240V AC).  2) Voltage Setting Range: 0-30.00V, stepper 0.01V (During charging, the maximum voltage is limited to power voltage -2V).  3) Current Setting Range: for charge, 0.05-5.00A, stepper 0.01A (current adjusted automatically when power exceeding limits) for discharge, 0.05-10.00A, stepper 0.01A (maximum current should be power current-0.5A).  4) Charging mode:   Standard Charging: Support NiMH, NiCd, LiPo, LiFe and Pb batteries.  CHG-CV: Current and voltage can be set at a constant voltage (only for batteries)during discharging.  5) Discharging mode:  DSC-CC: Discharging batteries at a constant current, support testing battery capacityor current of power supplies.  DSC-CP : Discharging batteries at a constant power, for constant powerequipment-like use or testing power.  6) Automatic Charging/Discharging: The tester supports charging-discharging-chargingcircles for capacity tests.  7) Voltage accuracy: between 0-4.5V, 0.003V, 0.5%, between 4.5-30V, 0.01V, 0.5%.  8) Current accuracy: 0.05-10.00A, 0.005A, 0.5%.   9) Capacity detection: 100Ah,0.1Ah.  10) Four lines: voltage and current channels separated for high test accuracy.  11) LCD display: voltage, current, time, capacity, and etc.  12) PC connection: the tester can connect to a computer through a designated USB-TTL cable for more functions, like graphs, calibration, firmware upgrade, and test circulation.     Precautions:  1)Positive and negative connections should not be reversed. Improper connection could damage the tester.   2)Always use the tester within the allowed range.     Package Included:  1 x EBC-A10H Battery Pack Capacity Tester.  4 x Tester Cables.  1 x USB to TTL cable.  1 x Power supply cable