Digital Battery Tester
BT222 is the smallest battery tester with charging system analyzer that can judge the voltage of battery down to 7V without internal battery. The pocket size let BT222 easy to carry & storage. With 4 Digital display & 3LED lighs, BT222 will show the battery test result & system test result within 2 seconds. BT222 is for 12V battery & its operation range is 200~1200 CCA (SAE).