So I bought two of these batteries http://www.ebay.com/itm/221196633186?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649 and i was wondering since there both 6 amps? would this pcb not work? http://www.batteryspace.com/pcbfor74vli-ion1865018500batterypackswith9ahighcurrentstartup.aspx