Originally Posted by
Wiggle
Another option too is that new DX bike light. Doesn't look bad especially for people with some DIY skill. Take that light and rewire your battery to 1S8P (think DX one is all parallel but check that out to be sure) and then just keep the stock battery as a backup.
I've seen several reports of major problems with that light. If you're in the States it would be better to buy it from US based Geoman as he offers a six month guarantee versus 30 days from DX. The price difference between the two is only a few dollars.