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Very easy to use, just plug into 12v socket at voltage is displayed. Mine seems to be about 0.2v lower than a high quality multimeter reading, but for the price I think this is acceptable.
Verified purchase: Yes | Condition: Pre-owned
Straightforward and easy to read display, I leave it plugged in to my caravan to monitor battery voltage rather than depend on my caravan's simple LED display.
Verified purchase: Yes | Condition: Pre-owned
This allows you to monitor your battery condition. Especially in the winter when the battery is under greater strain from cold starts. Not many cars have a built in voltmeter. It also shows the higher voltage (up to 14.4 volts when the alternator is charging). If the voltage does not increase with the engine running you should get the alternator checked - or you may have a dying battery.
Verified purchase: Yes | Condition: New
I bought this digital tester mainly to keep a check on the leisure battery voltage on my touring caravan as this is more accurate than the standard gauge installed which can be plugged into an cigarette lighter adapter that plugs directly into the caravan 12 volt socket. Any drop in the voltage will be registered instantly plus no electrical experience required to use this gadget. It is also handy to use on the car if the vehicle battery is suspect regarding not holding a charge so no electrical equipment needed outside working under the bonnet.
Verified purchase: Yes | Condition: Pre-owned
Arrived promptly. Provides a quick and easy method to monitor the engine battery. I can also use it to check the voltage of the leisure battery in my motor home
Verified purchase: Yes | Condition: Pre-owned
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