This car battery tester is an easy-to-use tester built to facilitate the repairs and maintenance of batterysystems for DIY amateurs or professionals. It helps users to accurately test the car battery system for battery health, cranking, and charging. Suitable for 12V batteries such as motorcycles, cars, golf carts, and family cars (except for 24V batteries). The internal security chip ensures stable operation, high temperature resistance and low temperature resistance.

- [ACCURATE CAR BATTERY TESTER] 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 time and money.

- [12V BATTERY TESTER]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.

- [6 LED INDICATORS] 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. Battery check: indicate the percentage charging in the battery.

- [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. The no-slip design makes you are able to use it flexibly even wearing gloves.

- LED quantity: 6 (2 red, 3 green and 1 yellow)

- Material of wire: 0.06square millimeter copper

- Max. voltage and current: 13.9V 15A

- Length of wire: 25cm / 9.84in

- Battery tester size: 12.4 x 5 x 1.8 cm / 4.9 x 2 x 0.7 inches (approximate)

6 LED Light Indicator

*Check before Charge: Battery is alive, "OK" to be charged.

*Alternator check : accelerate your engine to 2000 rpm when the green light is lit ,charging circuit is ok.

*Battery check: indicate the percentage charging in the battery.

*Cranking check : red light indicates voltage from Alternator over-high.