This manual wheeled battery charger includes a tester and gives professionals a wide range of charging rates and helps in fleet operations. It has the ability to analyze electrical and starting system problems. This charger is ideal for 6 and 12-volt batteries. Its 200-amps help engines for emergency starting and the 40-amp fast charge can charge a battery in 1 to 3 hours. The 2-amp trickle charge charges a small 12-volt battery in 2 to 12 hours. This wheeled charger has a multi-functional tester with two rotary switches and a voltmeter to help in battery testing.