[SG] Car Battery Test Voltage Volt Voltmeter Tester Testing Meter for 12-24V with LED Display.
Voltmeter to test your car battery (insert in car charger socket).
Tips on usage - for 12V cars, start your engine and put car on stationary. Then insert this battery tester in your car charger power plug. If reading is above 13.4V, your battery is still good. Otherwise, may be time to check with your mechanic.
Do not recommend to use this while driving or leave it on for more than 5 mins as to avoid device overheating as this device is meant for one-time testing only.

Features:
* LED Display Lighter Electric Voltage Meter For Car Batteries (12V or 24V)
* Powered by car lighter charger (DC 12~24 V)
* To Use: insert the jack of the product into a car charging socket
* Voltage available: DC12~24 V
* This digital gauge displays the voltage of batteries in the car.
* With high brightness of LED(light-emitting diode) there is no difficulity in seeing the displayed figures
Installment:
-Clean the car charging socket.
-Insert the jack of the product into a car charging socket.
Specifications:
When car is stationary and engine running (do not drive),the good battery will have LED display:
* Between 13.5 TO 14.5 (12V CAR)
* Between 26.0 TO 28.0 (24V CAR)
With the engine off, and nothing turned on, the LED display :
* Greater than 12.0 (12V CAR) OR 24.0 (24V CAR)(for reference only)
* Measuring range : DC 8V-30V±%1.2
Note: Use the device for up to 5 mins to test and thereafter remove. Pls do not leave the device while driving.

Good Value Shoppe is an establish homegrown full-time business based in Singapore with ready stocks in Singapore. Orders will be shipped within 2 working days. Use Qxpress for fast delivery within 3 working days!
[IMPORTANT: Pls double check and ensure shipping address (including unit number, if any) is provided correctly as wrong address results in lost mail and is non-claimable]
Singpost Normal Mail: Convenient direct delivery to your letterbox by Postman but unreliable delivery time of average 5-7 working days, up to 15 working days. No Signature required and No Tracking Info is available. Pls double check your address. Strictly no refund for lost mail from incomplete or wrong address. Pls note Postman does not call to meet you and pls do not use Singpost Normal Mail if you need items urgently. Use Qxpress instead which has tracking info and delivers in 3 working days. Thank you.
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Warranty: 1-for-1 exchange for manufacturing defects within 14 days from date of purchase. Contact our customer service with details (include photos) on Qoo10 inquiry system (not via anonymous item reviews). For more info, Pls go to our home page http://www.qoo10.sg/shop-info/goodvalueshoppe. Thank you for shopping with us.