View Single Post
Old 02-15-2013, 03:39 PM   #4 (permalink)
Ryland
Master EcoModder
 
Ryland's Avatar
 
Join Date: Jan 2008
Location: Western Wisconsin
Posts: 3,904

honda cb125 - '74 Honda CB 125 S1
90 day: 79.71 mpg (US)

green wedge - '81 Commuter Vehicles Inc. Commuti-Car

Blue VX - '93 Honda Civic VX
Thanks: 867
Thanked 432 Times in 353 Posts
I have a Ping brand lithium battery that a friend bought about 4 years ago that has been holding up really well and everyone that I've heard of who has used them has liked them, it also has a BMS built in to the pack.
48 Volt LiFePO4 Battery Packs with BMS (Battery Management System)

going with a 48V system is a good idea, I have a crystalite motor and ran it at 33v and it worked ok, but it's designed to work up to 72v with the correct controller, I kind of wish I had spent extra on a higher voltage controller but I didn't, 48v tho should give you plenty of speed and is a common voltage for everything else.

the $1,500 price range is why I choose that price point for my electric motorcycle, people are willing to spend that much on an electric bicycle, so why not a motorcycle?

On my E-bike, I found that I was drawing around 300 to 400 watts on flat to go 20mph without pedaling, or about 20 watt hours per mile, I'm 250lb's and had a lower voltage pack so I had a bit more line loss then you should see, but 15-20 watt hours per mile at 20mph seems pretty common and with your battery that would give you ~50 miles.

Last edited by Ryland; 02-15-2013 at 03:51 PM..
  Reply With Quote