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Old February 19th, 2014, 08:57   #5
Sequential's Avatar
Join Date: Sep 2007
Location: HKG.YYZ.NRT
Of course your 7.4 lipo will be fine, when its fully charged it will be above or close to 8.4v.
If your slightly used Kings Arms P90 is still factory internals you wouldn't have an issue running a 7.4 lipo at all.
A cheap 20$ balance charger will be fine also but of course if you want to go for something that will charge anything and greater types of lipos, then a IMAX is a good investment.
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