... :1 Uses the microcomputer control,can be connected with PC,many machine can be networking, realization resourcessharing.2 The ease of ... battery over charge,over discharge and so on.4 The machine has short-circuits,over current,over voltage,ect.5 When ... power cut, data automatic preservation;if power on ,machine automatic restar.6 The machine can establish the multi- groups charge & discharge program ...