Would a 48V 21AH battery, consisting of quantity 78 18650 lithium cells work well with that AW 35 amp controller? I could get that for $200.
https://www.ebay.com/itm/48v-10-5-Ah-GENUINE-Panasonic-Sanyo-500w-E-bike-Battery-Pack/144412543521?pageci=4f2d6b4c-a33d-4ea5-b38d-48a529808c48&redirect=mobile
If I get a functional 25AH battery, I will be happy enough. I paid with PayPal, and AliExpress claims to have buyer protection. https://sale.aliexpress.com/__pc/v8Yr8f629D.htm?spm=a2g0o.home.1000001.10.650c21458nIWDZ
I'm converting an old 26" hardtail mtn bike of mine to a electric road bike. At this point, I have ordered a new oil suspension fork that has disc brake mounting brackets, and will change the front v-brakes to hydraulic disk brakes using a 180 mm rotor. I have also ordered a large 48V (99ah?)...