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hi tech 2x 400 charger


Old 11-07-2017, 09:54 AM
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Question hi tech 2x 400 charger

I've been using a hitech 2x 400 charger both with external power supply at home and sometimes car battery at field , can't seem to get my 4s 3300 batteries to charge to full 4.20 volts,
charger always cuts off , showing full before packs achieve 4.20 v , is there any way to raise cut off voltage to say 4.3 v to help get full voltage out of packs , using for EF1 racing and
just not getting full voltage and full speed out of motor , a friend has the computer connect cable but don't know if that's the way to go or not Any one have any suggestions?

Tried to email Xpress , a hitec rep but i think email failed
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