This is the best tool we have found for soldering end to end battery packs. It is a weller 80 Watt soldering iron with our custom made hammerhead tip for making your own end to end battery packs. 80 watts of heat assure enough heat to get on and off the cells ...
Weller 101d/100w Stained Glass Soldering Iron Spare Tip 3mm No.7 (700 degrees - recommended for stained glass) Spare 3mm tip for the Weller 101d soldering iron.
Weller 101d/100W Stained Glass Soldering Iron Spare Tip 6mm No.8 (800 degrees - recommended for copper foiling) Spare tip for the Weller 101 soldering iron.
