1.High power and capacity. 2.Automatic thermolysis. 3.Over-loading and heating protection. 4.Battery saving features. ViewChina Vistarfoto Co ... concept,cultivate“Innovative, happy, unit, enterprising” spirit,and built up with “Immediate, true, meticulous,professional” style of work. ... level Yes Low level external battery Yes Inverter output over-loading Yes Protection, over-heating, over-loading Yes ...