TECMATE OptiMate TEST Cranking & Alternator — 12V tester

OptiMate TEST is a pocket 12V tester for battery state of charge, cranking performance and vehicle charging system. It works with 12V lead-acid and 12.8V LiFePO4 starter batteries and makes on-vehicle troubleshooting fast and reliable. 🔋

Easy as 1-2-3: connect to the battery, check the state of charge, start the engine and read cranking voltage and charge voltage simultaneously. The whole check takes about 15 seconds. ⚡

Display measures cranking volts down to 6V and charge voltage up to 15V so you can identify a weak battery or an overcharging alternator quickly. Connect with the included clips or to an installed SAE battery lead for fast diagnostics on cars, motorcycles and small vehicles.