Thanks for the links
What i don't understand is the benefit / disadvantage of a DC power supply to using an inverter? I understand it to be using an inverter will charge better but drain my battery quicker?
I am thinking the best thing to do is get a 300w inverter- they are only cheap at £30, but i need to understand how to interpret the voltmeter reading. If it drops below 12v how long can i leave it like that? My laptop is only 65w so would in reality i be very safe to charge this off the motorcycle as long as the engine is running?
Many Thanks
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