Why The TOPDON BT50?. 1 TOPDON BT50;. Accurate and speedy. Operates on most 12V lead-acid batteries: Regular-Flooded, AGM Flat Plate, AGM Spiral, GEL, EFB within 100-2000 CCA. 【Test All 12V Batteries】The BT50 battery tester is a car battery checker for all 12v Lead-Acid batteries, with the most essential battery test functions: battery health testing, cranking tests, and charging tests.
eBay