just line them up in opposite directions and then solder the +ve to -ve an dso forth and on each end wire the wire or connector onto the battery. u will want more than a 40W iron... (i managed but i would recommend an 80 or so watt.
hyper 8.5 pro SOLD!
Monster Max Still Working...
JR SX3
Neu 1512 2D/S
12t pinion
4800 zippy-r