On Friday, December 28, 2012 9:05:27 PM UTC, Rick Hughes wrote... Anybody know of a simpler circuit ... all I need is ability to charge 6 & 12 V batteries, non-deep cycle.

Similar prob:? --2 year illness meant no charging of two gardening strimmer and cutter batteries. They now dead and dont respond to chargers. Would e.g. a 210 shot (like a defribulator) or similar do it? Or are the batt's dumpers?