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Can a12v dc 2200 mA ac adaptor be used with a 300 Watt ac power inverter to save on electricity used on your lawn mower?
Wiki User
∙ 15y ago
No. The formula for watts is amps X volts. 1000ma is one amp. So, 12V X 2.2A = 26.4 watts Your adaptor can only supply 26.4 watts. This is not enough for the invertor, which needs a little more than 300 watts. Also, chances are your mower needs more than 300 watts to run anyway. A mower that uses 300 watts would draw only 2.5 Amps. Check the nameplate on your mower, I would guess it draws anywhere from 6 to 10 amps. Sorry. Nice try though.
Wiki User
∙ 15y ago
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