However, the last bits of the terminals for the
battery holders
are still in the holes. With careful application of abrasives
and solvent, I managed to clean them to shiny metal, but they're
Have you tried a weak acid, like citric acid? I've found thst helps a lot.
resisting desoldering pretty well (they seem to be
mostly rust
or similar corroded detritus at this point).
Anyone have tips on removing corroded battery terminals from a
PCB?
The other thing that often helps is to melt some new sodler onto the
connections.
-tony