Originally Posted by
morph999
You can but trust me, you wont' want to rewire those batteries. I try to keep from screwing and unscrew the terminal bolts as much as possible. That's why I cut the corners off the battery tops so I can just take the tops off really easy without unscrewing the bolts. Also, you probably won't want to take the charger with you to work. It's kind of a hassle.
Oh Morph stop being a stick in the mud......
Yes you can parallel charge your 36v pack with a 12v charger without any problems. However, you have to setup a proper quick plug system. It will require a very quick and simple to use Anderson plug system that if you are interested in doing I can explain to you. For 36v series setup for riding and a 12v setup for charging will require (if I remember correctly 12 Anderson connectors). It take a little time to make the plugs but once you have them made and installed you can change from a 36v series connection to a 12v *3 parallel connection in a few seconds. I have been making and using this setup for 2 years and it's great, quick and very simple to use.
The info the guys are giving you is great but I noticed you mention you are planing to mount the pack in a basket on the front of the bike. If you mean in a handle bar basket I think this is a big mistake. The weight of the batteries will have major effects on your bike's handling and balance. Back in the days when I was using SLA batteries I had a set hung on the front of my handle bars and I can't tell you how much better the bike handled when I relocated them to the top bar.