You may encountered this problems.

Have you encountered these problems? It's probably battery issues.

Why choose our Battery Tester

[CAR BATTERY TESTER]

You may wonder if the battery needs to be replaced or just needs recharging. BM310 car battery checker tell you the battery health by battery and alternator test. Save your trip and money by avoiding sending good batteries to car manufacturers.

[12V BATTERY TESTER]

The car battery tester is for all 12V charging system, including regular flooded, AGM flat plate, AGM spiral and GEL batteries for vehicles, forklifts, hybrid cars, SUVs, Pickups, Boats, RVs, Motorcycles, travel Trailers.

[6 LED INDICATORS]

The 12V battery tester is perfect for home usage and commercial usage. Six LED lights show the status of battery and alternator, green means good/full, orange means middle, red means low. Intuitive, simple and clear. No need to know the voltage, we directly tell you the quality of the battery and alternator.

[DURABLE DESIGN]

The reverse protection function prevents burn out caused by misoperation between the (+) battery post and (-) cable terminal. Pure copper wire and clip make excellent conductivity and high sensitivity. No-slip design makes you are able to use it flexibly even wearing gloves.

[WORRY-FREE PURCHASE]

If you have any question about the battery tester, please send message to us. Our professional technical team will help you to solve the problems within 24 hours.

12V Car Battery and Alternator Tester

BM310 car battery tester is an easy-to-use tester built to facilitate the repairs and maintenance in car battery system for DIY amateurs or professionals.It helps user to accurately test the car battery system of battery health, cranking and charging.

How to use?

Display 1: All Led lights off; Testing results: none Charging Voltage, Dead BatteryDisplay 2: "OK" led twinkling, other Led off; Testing results:4.1-11V Charging Voltage, Engine being hardly turned on, turn off all electrical equipment and charge battery immediately.

Display 3: "OK" Led ON, "Low" Led twinkling; Testing results:11.1-11.5V Charging Voltage, Low charged Battery, being charged immediately.Display 4: "Low" led on, "Middle" led twinkling; Testing results: 11.6-12V Charging Voltage, Middle chargedBattery, better being charged sooner.

Display 5: "Middle" Led on; Testing results: 12.1V Charging Voltage, Middle charged Battery, better being charged.Display 6: "Middle" Led on, "Full" Led twinkling; Testing results: 12.2-13V Charging Voltage, Middle charged Battery, better being charged.

Display 7: "Full" Led on, "Good" Led twinkling; Testing results: 13.1-13.9V Charging Voltage, Good battery, Full ChargedDisplay 8: "Good" Led on; Testing results: 14V Charging Voltage, Good battery, Full Charged.

Display 9: "Good" Led on, "Fault" Led twinkling; Testing results: 14.1-15.7V Charging Voltage, Battery may be damaged, Check the engine and tester.Display 10: "Fault" Led on; Testing results: Above 15.7V Charging Voltage, fault Battery.

Package Including

10 x Car Battery Tester10 x User Manual