AutoMeter SB-3 500 Amp Variable Load Battery/Electrical Tester

This portable battery/circuit tester is a must for smaller sized repair shops and battery warehouses. Separate analog voltmeter and ammeter provide easy to monitor battery load tests. A 500 Amp variable load carbon pile and battery temperature compensation scale offer maximum accuracy during battery testing. Vented cooling for prolonged tester life. Automatic safety un-loader knob. Vented cooling. Compatible with 6V & 12V batteries. Battery CCA Range - 0-1000. Automatic safety un-loader knob. Vented cooling.