Noco TestMaster 100 Amp Battery Load Tester BTE181 19-1567

Accurately test your battery within 30 seconds! Testmaster(TM), portable battery tester, provides on-the-spot test for battery charging and voltages. Features heavy-duty cable clamps, sturdy steel case, analog meter and adjustable calibration screw. For use with most 6 and 12 volt battery systems. 1 per box.