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  1. #1
    Oooooooofffff SALESMAN! The Big Wheel's Avatar
    Join Date
    Jul 2007
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    Local trails
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    48V 10AH V2.5 LiFePO4 Battery Pack

    How many miles would this battery last for?

    Is it true that 1ah = 1 mile?
    "Why give some drunk the chance to plaster me against a car? That's why I don't even own a bike light, or one of those godawful reflective suits. Because if you've put yourself in a position where someone has to see you in order for you to be safe -- to see you, and to give a @#$% -- you've already blown it."


    http://i409.photobucket.com/albums/p...M08/bike11.jpg

  2. #2
    Member
    Join Date
    May 2007
    Location
    Washington, DC area
    My Bikes
    Tidalforce S-750X, M-750, iO Cruiser
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    That really depends on how much power your motor and controller use. It also depends on what type of terrain you ride on. For me, a ebikekit.com 500W 48V front hub motor with a 48V SLA pack with a 22A controller, I get just over 2 miles/AH or 0.5AH/mile. My terrain is relatively flat with about 350 feet of elevation in my 8 mile commute. I could have gone with a 10AH pack and been fine for a round trip!

    Ambrose
    2x Tidalforce S-750X stock, TidalForce M-750X with A123 20Ah prismatic, Tidalforce iO cruiser stock, eBikes.ca Large Screen Cycle Analyst, GoPro HD Hero 2, Pair of DX HA III P7 headlights and a MJ-818 P7 taillight, Planet Bike Superblinky, Thudbuster LT. Topeak MTX racks and EX trunk bag.

  3. #3
    Lost? No, seeing America.
    Join Date
    Sep 2008
    Location
    Webster NY
    My Bikes
    '02 Fuji Finest AL, '97 Trek Multitrack 730, Amped kit rear
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    Depends on how much you pedal. With my 36v20ah Ping on Amped with 700x40 tires, hybrid commuter bike, it feels like I can go pretty much forever. Pedaling with throttle, I'm usually seeing around 22-24mph. My commute is ~13.5 round trip and I've done double commutes without charging, plus extra distances towing 50 pounds+ worth of groceries, dog food, etc. No drop in power, no change of throttle light indicator. I think it has a lot to do with my pedaling along with it. Maybe it's just me, but I can't sit on a bike seat and NOT pedal along! Maybe this weekend I'll go for it, just to test how long the battery will actually go on its own. I'm thinking that might be a few dull hours though...
    '02 Fuji Finest AL
    '97 Trek Multitrack w/Amped rear 500w 36v15ah Ping
    13 mile roundtrip commute, 150 days/school year

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