... offer battery formation & grading systems,internal resistance Hign precision battery tester system/ battery testing equipmentt1.1 SummarizationThe series BTS is a ... .8. Serial port, Network and USB link as an option. Use C/S model, remote control. 10V/3A(8CH), 5V/3A ... /20A(8CH), and so on , we alslo have larger power tester, such as 5V/50A, 5V/60A,5V/80A,5V/100A ...