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

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Availability: In Stock.
Fulfilled by Amazon

Arrives Monday, Apr 20
Order within 7 hours and 33 minutes
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Features

  • 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!)

Description

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.

Brand: Moly Magnolia


Power Source: Battery Powered


Style: Digital


Color: Black


Item Weight: 30 Grams


Power Source: Battery Powered


Minimum Operating Voltage: 11.6 Volts (DC)


Measurement Type: Voltmeter


Style Name: Digital


Color: Black


Item Weight: 30 Grams


Brand Name: Moly Magnolia


Model: BM310


UPC: 716837844242


Manufacturer: Moly Magnolia


Included Components: no


Unit Count: 1.0 Count


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Apr 20

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Works as intened
Cheap quality but works for what it's supposed to do. Saying is as saying goes, you get what you paid for
Reviewed in the United States on December 31, 2024 by SiriusKeeper

  • Good
Test in the winter time when cold weather drains the battery
Reviewed in the United States on February 22, 2026 by daniel borden

  • Works decent
Works as expected instructions are not very good
Reviewed in the United States on November 13, 2023 by JM

  • battery checker 12 volt
worked great on my jaguars battery and easy too use.
Reviewed in the United States on March 8, 2025 by Jim

  • Do not buy
Even if this product cost what it cost to make it would still cost too much. Do not waste your money or your time to purchase this item. It is absolutely terrible in all ways shape and form. It is by far the worst product I have ever purchased from Amazon and every other place online and in person. I don't know why Amazon even has this item for purchase from their store. DO NOT BUY!!! DO NOT BUY!!! A waste of time, effort and money. ... show more
Reviewed in the United States on October 8, 2023 by Amazon Customer

  • Inexpensive but works well
Built very cheap but works well
Reviewed in the United States on June 14, 2023 by Brian Berta

  • Great tool
Just what I wanted, good tool, good price! Helped me out many times so far!
Reviewed in the United States on April 2, 2024 by J-D T

  • Meh
Really cheaply made but I think it worked once
Reviewed in the United States on June 5, 2023 by IRican

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