12V Car Battery Tester, Alternator Tester Automotive, Battery Checker, Analyzer to Check Alternator and Battery Charging System, LED Indication

Accurate and Useful: BM310 battery tester offers you an easy way to analyze the battery status, view battery charging status and detect faults without stepping out and paying too much. Save your time and money., Wide Application: This battery tester automotive is for all 12V charging systems, including regular flooded, AGM flat plate, AGM spiral, and GEL batteries for vehicles, forklifts, hybrid cars, pickups, boats, RVs, motorcycles, travel trailers., Easy to Use: The battery checker is perfect for home and commercial usage. Six LED lights show the status of the battery and alternator. accelerate your engine to 2000 rpm when the green light is lit, the charging circuit is ok., Durable Design: The reverse protection function prevents burnout caused by misoperation between the (+) battery post and (-) cable terminal. Pure copper wire and clip make excellent conductivity and high sensitivity.