Originally Posted by
Frank Ts Stuff
We have tried a bunch of different ones and always return to this one at our shop......Gel cell is only good for 1-2 seasons but easily replaceable with a new battery from Tower or elsewhere......and you can charge your cell phone while you are pumping! ;-p
http://www.homedepot.com/p/Campbell-...Bt4BoCGqnw_wcB
+++++1 on this one. I have recently taken out the the original battery and replaced it with 2 6000Mah 7.4V lipos run in series to make it a 14.8 volt system.
They last a couple of weekends of flying before needing recharged.