Good info, gents...thanks!
This is for my wife's commuter bike. It's only 15km/9+m each way with no significant hills, and even though we're both in decent shape we are
nearly 60 and the heat of summer is coming. It just needs to be an "assist" more than anything else.
We've just spent a few hours looking at different options and are down to a premade 48v pack, either SLA or LiFePo4 for simplicity, safety and plug-n-play. I'll leave experimentation for a later build. Definitely no storing the batteries in the oven to preclude burning the house down...
dnmun, can you give me a direct link to that headway pack? I can't seem to find it on HK...thanks!