12V Car Battery Tester, BM310 Automotive Digital Alternator Charging System Analyzer with LED Indication, Check Vehicle Battery Condition Detector, Universal for Car, Motorcycle, Truck

Note:1. Don't use for too long.2. When car is energized and not started,it detects the voltage of the battery. If the voltage value is lower than 10V (OK led flashing), it is hard to start; if it is lower than 11.6v (low led flashing), please turn off the electrical appliances on the car and start alternator to charge immediately.3. When the car starts, it detects the voltage of alternator.Lower than 13.5v (good led flashing), it can't charge the battery. You need to check the alternator or turn off some car electrical appliances. Above 14v (fault light flashing or on), check the engine.

• 【Accurate BM310 Battery Tester】: The battery tester provides you with an easy way to check the condition of the battery and the function of the alternator. You don't need to step out of your home and pay much time and money to check your battery level and keep you safe behind the wheel.
• 【Universal】: 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.
• 【Clear At A Glance】: Six LEDs show battery and alternator status, green for good/full, orange for middle and red for low. Intuitive, simple and clear. No need to know the voltage, we tell you directly the quality of the battery and alternator.
• 【Durable Material】: 12V battery analyzer is made of high quality ABS material, pure copper wire and clips with good conductivity and high sensitivity, non-slip design makes you flexible to use it even with gloves on.
• 【Easy to Use】: Clamp the red and black test clips of the tester on the battery under test, connect the red to the positive pole and the black to the negative pole, and the corresponding LED indicator of the tester will indicate. (Note: Do not operate for too long!)