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  1. Alan2000

    How do I compare / calculate range between 2 packs?

    I have a 36V 15,500mAh, 561wh pack. I use about 600mAh per mile mountain biking. So I figure my max range is about 26 miles. A friend has the same motor on his bike and all he knows about his battery pack is that it is a 48v 672wh pack. We're trying to figure out what his range should be with...
  2. Alan2000

    My "Tactical" eBike Ammo Battery Case! A first?

    I received today my 16AH Tesla pack from @okashira. I wanted to get it ready for a ride tomorrow. Unfortunately, the battery case I had would not fit the pack. (My bad in calculating pack size.) With no time to get a new case, I decided to search the house to find a suitable enclosure. I have a...
  3. Alan2000

    18650 Fake Cell Specs Wall of Shame

    Until not too long ago I didn't realize that there was such a large problem with fake 18650 cells. Now I know why my flashlights die so fast with the POS cells I have in them. I thought it might be entertaining to post some of the worse examples here. Here is my entry. Quite a whopper with...
  4. Alan2000

    BBS02 - How many watts do you really need for a MTB?

    I recently installed my first electric drive in a bike. I installed a 36v 500w 25A BBS02 in my old mountain bike. It has an 8 speed cassette with 11T-32T. I went with the lower voltage and wattage to keep costs down and looking for longer battery life. I've been playing around reprogramming the...
  5. Alan2000

    Need Help Hacking Bosch 36v 400 10A battery pack

    I was given a Bosch battery pack that appears to have a faulty BMS. The pack was putting out an error code and would not run on the Bosch bike. However, the charger would charge the pack. I pulled it apart and decided to simply bypass the BMS to use it with my Bafang 36v 500w conversion kit...
  6. Alan2000

    RC Hobby eLogger for eBike battery monitoring?

    I've read several posts that the wattage display on the Bafang controllers is not very accurate. I have the Bafang C963 display and was curious if it was accurate. I have an Eagle Tree eLogger I was not using from my RC airplane and I think I'll mount it to my bike to track battery data. I did a...
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