12V Car Battery Tester Wireless Battery Monitor Load/Charging/Cranking Analyzer

ANCEL BST100 12V Auto Battery Load Tester Analyzer Cranking Charging Test Tool. ● Cranking Test. ● BM5 Battery Tester Protection: Built-in fuse and reverse polarity protection circuit. Applicable to all 12V starter batteries, versatile, can be used in cars, trucks, yachts, motorcycles.

eBay