Platima

audioguru, If you look, you'll see the 240v is only connected to the batteries via the relay (which isnt internally connected), and the transformers, i've specifically put the relay in to isolate it and break the battery circuit when the AC (charging) power is applied. Thanks for the info though, i knew roughly the voltages of the cells but not that specific, and i've decided to deal with the cells individually instead of in battery packs anyway. Also yes, the batteries will put out a maximum of about 30A, but thats just a spike. And they charge at approx 1A each i believe (hence the 1A fuse up the top). The circuit connected to them normally only draws about 10A which is fine as each one is actually two cells in parallel, rated 6.5Ah each. In theory this means i could draw 36V @ 13A for an hour, and from experience i know these cells can each peak to about 16-17A for a second or two. Correct me if im wrong though as it seems you know a fair bit more about Lithium Ion tech than i do :) Thanks -Keith

Hey people, This may seem like a basic question to some of you, but im trying to get my head around this and i cant seem to figure out if its 100% OK. It looks good, but i may very well be wrong. What im trying to do is tie together these 3x 240VAC Li-ion battery chargers, and 3x 12VDC Li-ion batteries into one 240VAC IN -> Charge -> Supply -> 36VDC OUT kind of circuit (if that makes any sense. Haha). Linked in is a basic circuit diagram of my best guess at how to achieve this. If my explanation above made no sense hopefully the picture will clarify it. Thanks heaps in advance, -Keith http://portal.scopesystems.com.au/ChargerEtc.PNG