

Tips: This device does not need a built-in battery. When testing a dead battery, please charge the battery firstly.

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.
With a Multi-language User Manual: English, German, French, Spanish, Italian, Dutch, Polish, Slovak, Czech, Russian, No matter where you come from, you can use this battery tester.
![]() 12V Car Battery Tester and Alternator Tester | ![]() TE503 6V 12V 24V Car Battery Tester, 100-2000 CCA Voltage Tester | ![]() Car 12V 24V Battery and Alternator Tester Automotive | ![]() TE550+ Car Battery Tester 6V/12V/24V, Digital Analyzer | ![]() 6V/12V/24V Battery Tester with Printer | |
|---|---|---|---|---|---|
| Customer Reviews | — | — | — | — | — |
| Price | — | — no data | — | — no data | — |
| Applicable | 12V | 6V 12V 24V | 12 V 24V car&trucks | 6V 12V 24V | 6V 12V 24V |
| Connection | Copper clips | Copper clips | Copper clips | Copper clips | Copper clips |
| Reverse Protection | ? | ? | ? | ? | ? |

Tips: This device does not need a built-in battery. When testing a dead battery, please charge the battery firstly.

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.
With a Multi-language User Manual: English, German, French, Spanish, Italian, Dutch, Polish, Slovak, Czech, Russian, No matter where you come from, you can use this battery tester.

Works on 12V Vehicles
- Only compatible with 12V vehicles, such as Cars(Not only the gas cars, but also for Hybrid electric cars), SUVs and motorcycles.
- DO NOT support 24V trucks!

Lamp Status Meaning-1
- Display 1: All Led lights off;
- Testing results : none Charging Voltage, Dead Battery
(Result based on correct connection, this device is with reverse protection,if connect wrong, product won't start either)

Lamp Status Meaning-2
- Display 2:”ON” led twinkling, other LEDs off;
- Testing results:4.1-11.1V Charging Voltage, Engine being hardly turned on, turn off all electrical equipment and charge battery immediately.

Lamp Status Meaning-3
- Display 3: ”ON” Led ON,”LOW” Led twinkling;
- Testing results:11.1-11.5V Charging Voltage, Low charged Battery, being charged immediately.

Lamp Status Meaning-4
- Display 4:”Low” led on, ”Middle” led twinkling;
- Testing results: 11.6-12V Charging Voltage, Middle charged Battery, better being charged sooner.

Lamp Status Meaning-5
- Display 5: “Middle” Led on, ”Full” Led twinkling;
- Testing results: 12.1-13V Charging Voltage, Middle charged Battery, better being charged.

Lamp Status Meaning-6
- Display 6: “Full” Led on, ”Good” Led twinkling;
- Testing results: 13.1-13.9V Charging Voltage, Good battery, Full Charged

Lamp Status Meaning-7
- Display 9:”Good” Led on, “Fault” Led twinkling;
- Testing results: 14-15.7V Charging Voltage, Battery may be damaged, Check the engine and tester.
![]() 12V Car Battery Tester and Alternator Tester | ![]() TE503 6V 12V 24V Car Battery Tester, 100-2000 CCA Voltage Tester | ![]() Car 12V 24V Battery and Alternator Tester Automotive | ![]() TE550+ Car Battery Tester 6V/12V/24V, Digital Analyzer | ![]() 6V/12V/24V Battery Tester with Printer | |
|---|---|---|---|---|---|
| Customer Reviews | — | — | — | — | — |
| Price | — | — no data | — | — no data | — |
| Applicable | 12V | 6V 12V 24V | 12 V 24V car&trucks | 6V 12V 24V | 6V 12V 24V |
| Connection | Copper clips | Copper clips | Copper clips | Copper clips | Copper clips |
| Reverse Protection | ? | ? | ? | ? | ? |



































