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Everyone treats their batteries different. There are general rules to follow though:
- shallower DOD leads to longer battery life
- pulling less amps leads to longer battery life
You can squeeze a ton of range out of your batteries if you drive slow and take it easy. Some people quote this number in their EValbum page. Others, use a conservative number showing their normal usage to 50% dod or whatever and they use that as their rated range. There really are a lot of factors involved.
For a motorcycle, I would probably use 100wh/mile as my energy usage per mile (and in fact, I do have a spreadsheet made up that has this figure in it). Its conservative unless you're really moving fast. At 45-55 mph you're likely using less than this, at 75 mph you're probably using a bit more. So, if you planned on doing most of your riding around 75 mph, I would probably just bump the wh/mile up to 125 or 150 to be conservative. It never hurts you to have extra pack capacity. In the end that extra capacity is just going to make your whole pack last longer.
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