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EBC-A20 User Manual
Copyright (C) 2006-2017 ZKETECH
1. Features
EBC-A20 supports charge and discharge of lithium and lead-acid batteries. You can use this
tester for charge or discharge or circle tests. When connect the tester with a computer, you will
find even more functions with the help of the software.
2. Specifications
EBC-A20 30V-20A-85W
Power supply
DC 19V-20V, 3.5A or above
Voltage setting range 0.00-30.00V, stepper 0.01V (In charge mode, the maximum voltage is18V)
In discharge, 0.10-20.00A, stepper 0.01A (current adjusted automatically when
power exceeding limits)
Current setting range
In charge, 0.10-5.00A, stepper 0.01A (max current depends on power current)
DSC-CC (constant current discharge): discharge current remains constantly the same,
recommended for battery capacity test
DSC-CP (constant power discharge): discharge power remains constantly the same,
recommended for simulation of constant power equipment
Manual mode
CHG-CV (constant voltage charge): charge voltage remains constantly the same,
recommended for lithium and lead-acid batteries test
Auto mode
The tester supports charge-discharge-charge auto circle tests, recommended for
capacity test
Voltage accuracy
Between 0-4.5V, 0.003V, ± 0.5%; between 4.5-30V, 0.01V, ±0.5%
Current accuracy
0.10-20.00A, 0.01A, ± 0.5%
Capacity accuracy
< 10Ah,0.001AH; 10-100Ah,0.01Ah; >100Ah,0.1Ah
Cable connection
Voltage and current channels separated for high test accuracy
LCD display
Voltage, current, time, capacity, energy and etc
Computer connection The tester can connect to a computer through a designated USB-TTL cable for more
functions, like graphs, calibration, firmware upgrade
3. Connecting patterns
3.1 Battery connecting ports
On the front panel there are two aviation sockets where you can plug in cables.
