In message <022c01c540da$d2fa89d0$e7bdf682@space.rl.ac.uk> "Alan B. Pearce" wrote: > Either way, you need to make electrical contact to both sides of the weld, > and I am wondering how you plan to do that with the batteries already made. > I assumed that batteries supplied with the tabs had them welded on before > assembly of the battery internals. You put the tab on top of the battery terminal plate, then put both electrodes on the same side. The current runs through the electrodes, into the tab, then through the battery's terminal plate and back to the other electrode. No messy disassembly required. Later. -- Phil. | Acorn Risc PC600 Mk3, SA202, 64MB, 6GB, philpem@philpem.me.uk | ViewFinder, 10BaseT Ethernet, 2-slice, http://www.philpem.me.uk/ | 48xCD, ARCINv6c IDE, SCSI ... The future isn't what it used to be. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist