Ive just recieved my icharger last week. I ordered leads from where Benkie linked to and got magnets of ebay. Just be careful soldering the magnets though as heat kills them. Been playing today with a couple of Flea Bay batteries to get the hang of it. Very impresive. The wiring is not as complicated as it looks once you get your head around it.
https://budgetlightforum.com/t/-/3118
post 43