Is a cigarette lighter battery voltage meter accurate? – electronics.stackexchange.com 12:19 Posted by Unknown No Comments Recently, I bought a USB car charger that shows my batter voltage at about 13.7v when the car is running. Is it possible that this is accurate? Since you can get a lot of gimmicks on eBay, I want to ... from Hot Questions - Stack Exchange OnStackOverflow via Blogspot Share this Unknown
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