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12V Acid Lead Battery Indicator Capacity Digital Led Tester Voltmeter

SKU: 12V_ Voltmeter
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With a shell, easy to use stand-alone or embedded in the panel on the product.
Display Mode: Battery +Percentage
Black wire connect negative electrode
Red wire connect positive
Usage: Connected the display panel positive and negative terminals to the tested battery positive and negative side, then
the digital tube will show the battery level
battery capacity display parameter:
Package Include:

1 x Indicator Battery capacity Tester