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  1. M

    Ping battery for $99.99? SCAM ALERT

    I checked the completed listings on ebay for Ping 48V20AH batteries to see if they are going for less than pingbattery.com prices and I swear that one went for under $100 and another went for under $250 today. Please tell me I am hallucinating or at least that an ES member got them...
  2. M

    Interplanetary EV failure

    http://gizmodo.com/5082385/this-is-my-farewell-transmission-from-mars
  3. M

    72V off-the-shelf LiFePO4?

    I finally got my 5304 (for my first build) and I have yet to finalize my battery decision. I've been thinking of a 28AH Ping battery but I now see how efficient 72V systems are on this motor. I am not highly capable with electronics so something close to off-the-shelf is probably as far as I...
  4. M

    Why does the last cell die?

    In used tool packs, why does the last cell die? Is this something that will happen to a big LiFePO4 pack? Is there a reverse current coming from the motor on shutdown or is the last region of a pack more stressed than the first cells? Would adding an extra cell in parallel at the end of the...
  5. M

    It's will soon be too cold to ride...

    ...so stop buying up all the Crystalyte motors so I can get one! Are they in stock anywhere in N. America?
  6. M

    Final check before spending money...

    Aloha! I'm coming out of lurking and I have a bazillion questions (really a gazillion but I don't want to take up too much of your time) and even a suggestion or two. I have lurked and lurked and absorbed as much information as I can but it is almost time to plunk down the cash for...
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