maemo.org - Talk - View Single Post - Battery Tests, Homemade 3000mAh XL Battery & Q&A (POST #1)

	woody14619	2011-11-01 , 18:36
	Posts: 1,455 \| Thanked: 3,309 times \| Joined on Dec 2009 @ Rochester, NY	#1067

Originally Posted by tingu699

hi, i have a question about modding the scuds. if we put 2 together then we more or less double the run time, which Dr Frost has alredy tested. my question is that does this double the voltage also (2 x 3.7) or does that just remain normal (3.7) ?
thankyou

Source voltages in parallel average the output, sources in series add them. Amperage, on the other hand adds for parallel and averages (roughly) for series. Since all the mods are placing the batteries in parallel, it's the average voltage of the two and roughly the sum of that amperage (so roughly double). So if you have one at 3.71v and one at 3.69v, your voltage would be (3.71 + 3.69)/2 = 3.70v.

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