Right now, you would need to rig a Y balancing adapter or some sort so you could treat the 2 packs as 1 4S pack when balancing and charging. The two manufacturers I contacted about getting a Y adapter made would not do it do to liability issues. I went with the Hyperion Duo charger instead and it works well. Yes, its costly, but, for 2 packs, thats the only option short of making the harness yourself to charge and balance at the same time.
keep your fingers crossed, maybe someone will look into making a dedicated 4S hardcased 1/10 scale sized lipo.
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Last edited by Cain; 02-27-2009 at 07:08 AM.