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i have a 2 cell zip zap. i am still using the charger but wired in an a/c adapter jack(switching style so i can leave batteries in the controller).
i bought a 3 cell battery holder and an adaptaplug, soldered it together and now have a 4.5v battery pack for the controller for charging purposes..the red/green light works fine(normally i charge it twice, or just once after 10 minutes of use).
when the car is done charging i pull the battery pack off the back and use the controller as normal.
i also have a 4.5v 800mA a/c adapter that works great for charging with the controller when near an a/c outlet.
by quickcharging we really arent using the full capacity of those little batteries. i can charge them 3 times in a row and they still dont get warm. the dual serial setup runs for 20 minutes at least.
imagine how long the runtime would be if we trickle charged them to full capacity. WOW!
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