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That all checks out with me. Wh is a lot cleaner for this, thanks for converting. I guess the automotive batteries speak in Ah because they assume 12v everywhere. The Oupes power bank looks great. Obviously the self-contained power bank design has big advantages. My question with those is can...

Hey Dave, I got some more info for ya The bike battery is listed at 17.5Ah @ 40V, so if my math is right that's 58Ah @ 12V. The fridge is 8.2A at 12V, so assuming 1/3 up-time for 24 hours, that's 65Ah @ 12V. So do I simply add up those amp hours 58+65=123Ah? If that's correct, sounds like I...

Whoops! You're right, here's the 12/12 dc charger. Regarding the bike, I know technically it would be more efficient to charge with DC. However, I'm hesitant to stray from the bike manufacturer's provided AC charger, as that's designed to keep the bike battery healthy. So that's why I listed...

Hey all, Would love to get your thoughts on a solar and battery setup for camping with an e-bike and small fridge. At most I will ride the e-bike once per day. I'll use the stock 110v e-bike charger, which draws 2.5A and completes a full charge in 2.5 hours. We drive a lot so I'd like to tie...