How To Solder To Battery. Once the cables are disconnected place the positive cable out of the way. Aluminium which genuinely wont solder.
The aim here is to heat up the tab the wire and the flux without heating up the battery. Its not necessarily easy or advisable you need a big enough iron you need to clean and tin the wire and endcap and work quickly. In the meantime prepare everything you need.
If the battery near the tab is warm stop and wait 2-3 minutes before attempting again.
Thereof can you solder a battery post. You should never solder directly on a battery. Let the solder melt then immediately remove the iron and solder and allow to solidify. Roughen up Battery Terminals.
