Mini 12V Car Battery Tester Digital Alternator Tester

(106 customer reviews)


478 in stock

Your order will cost [1.99$] via Uellow Selection Standard at (9-11 days)
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Estimated Delivery
9-11 days
Uellow Selection Standard
  •  Size Guide
    Size ChartSlide the table to scroll
    Size Length Bust Sleeve Length Cuff circumference Shoulder Waist Hip Pant Length
    0XL 73 112 60.8 26.5 42.5 80-118 114 83.5
    1XL 74.5 118 62 28 44 86-124 120 85
    2XL 76 124 63.2 29.5 45.5 92-130 126 86.5
    3XL 77.5 130 64.4 31 47 98-136 132 88
    4XL 79 136 65.6 32.5 48.5 104-142 138 89.5
  •  Delivery & Return


    We ship to all countries over the world. All orders are shipped with a 160+ shipping companies with tracking number. Always free shipping supported without any order limits. During sale periods and promotions the delivery time may be longer than normal.


    Yellow Stores will accept exchanges and returns of unworn and unwashed garments within 14 days of the date of purchase (7 days during the sales period), on presentation of the original till receipt at any store where the corresponding collection is available within the country of purchase. Your return will usually be processed within a week to a week and a half. We’ll send you a Return Notification email to notify you once the return has been completed. Please allow 1-3 business days for refunds to be received to the original form of payment once the return has been processed.


    Give us a shout if you have any other questions and/or concerns. Email: [email protected] Phone: (+01)-929-243-9965
  •  Ask a Question
    Mini 12V Car Battery Tester Digital Alternator Tester 1

    Mini 12V Car Battery Tester Digital Alternator Tester


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    【12V CAR BATTERY TESTER】 If the battery needs to be replaced or just needs recharging, BM310 car battery tester tell you the battery health by battery and alternator test. It 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, Motorcycles, travel Trailers.
    【Alternator check and 6 LED INDICTORS】 Battery Mate for Car battery health condition checking with 6 LEDs display indicates condition, green means good/full, orange means middle, red means low. simple,Intuitive and clear.
    【Accurate INDICTORS for Early warning】Pure copper wire and clip make excellent conductivity , high sensitivity(accuracy reaches 0.1V) can accurately read the battery voltage,even if your car has not shown it, it can give you an early warning.
    【Reverse protection function】It prevents burnout caused by misoperation between the (+)battery post and (-)cable terminal.It helps to extend product life and protect car batteries.
    【Excellent service】 No-slip design makes you are able to use it flexibly even wearing gloves.Multi-language User Manual: English, German, French ,Spanish, Italianand so on.


    – 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.

    Packing list:

    1*12V battery tester

    Reverse connection protection function: uninterrupted operation, full protection of the surge lines, anti-reverse pressure access. View battery test results quickly and accurately – the entire testing process takes just 3 seconds. Pass the low frequency signal test without an external discharge test for large loads. Directly determine whether the vehicle’s charging voltage is normal. No leakage, no heat, no sparks, safe operation. Can recognize the overload status of the car battery. Can show the battery condition.
    BM310 : 12V Car Battery and Alternator Tester for Cars /SUV /Light truck /Motocycle Only compatible with 12V vehicles, such as Cars(Not only the gas cars, but also for Hybrid electric cars), SUVs and motorcycles,light truck.
    DO NOT support 24V trucks!

    Additional information

    Weight 0.065 kg
    Dimensions 10 × 10 × 10 cm

    Mainland China



    Material Type


    Special Features

    Check Battery/ Alternator state



    Suitable for cars

    All car and motorcycle batteries

    Feature 1

    Alternator status check,

    Feature 2

    Battery status check

    LED Quantity

    6 LED (3 Green, 2 Red, 1 Yellow)

    Max voltage and current

    13.9V 15A

    Reviews (106)

    Based on 106 reviews

    4.64 Overall
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    106 reviews for Mini 12V Car Battery Tester Digital Alternator Tester

    1. L***z

      Arrived quickly in Ferreñafe – Perú

      Color: BM310 Ships From: China

    2. s***n

      Don’t accept the product

      Color: BM320 Ships From: China

    3. y***a

      sometimes device does not provide positive answer🥹

      Color: BM310 Ships From: China

    4. I***e

      Good product Thank you even though I received the weak price

      Color: BM310 Ships From: China

    5. D***z

      Good product

      Color: BM310 Ships From: China

    6. a***r


      Color: BM310 Ships From: China

    7. g***r

      Thank you for fast delivery. Good

      Color: BM310 Ships From: China

    8. UShopper

      Nice product

      Color: BM310 Ships From: China

    9. S***i

      Color: BM320 Ships From: China

    10. A***c


      Color: BM320 Ships From: China

    11. D***a

      Color: BM310 Ships From: China

    12. UShopper


      Color: BM320 Ships From: China

    13. Z***c

      Excellent seller, fast shipping.

      Color: BM310 Ships From: China

    14. W***a

      Good items

      Color: BM310 Ships From: China

    15. E***k

      Color: BM310 Ships From: China

    16. J***v

      The hat is full.

      Color: BM310 Ships From: China

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