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Recent content by zhangjuan

  1. Z

    what is the difference between A123 26650 and a123 32157

    what is the difference between A123 26650 and a123 32157
  2. Z

    LiFePO4 vs LiPO?which one should I choose?

    Hey,My group and I are designing an electric bike and we're looking into batteries for the bike.So far I've been looking into Lithium Polymer batteries for their power-weight ratio and fast charge cycles. But everywhere I look, people else seems to be using Lithium Iron Phosphate batteries.Aside...
  3. Z

    The real 20ah battery source?

    I see a website which sell the 20ah battery , It's a auction, are they genuine 20ah, have you ever buy from this website? Excitingly Powerful A 123 20ah PRISMATIC CELLS_Auction_A123 batteries,motorcycle battery,golf cart batteries,car batteries,car battery
  4. Z

    Battery pack questions

    Hello, I have some general questions about A123 battery (& similar) configurations and wiring. I'm thinking about hooking two 6s2p packs in series to give me 39.6v, 4500-4600mAh. My first question is about balancing the 6s2p packs. What kind of balancing plug would the pack have...
  5. Z

    Questions about A123 battery pack

    Hello, I have some general questions about A123 battery (& similar) configurations and wiring. I'm thinking about hooking two 6s2p packs in series to give me 39.6v, 4500-4600mAh. My first question is about balancing the 6s2p packs. What kind of balancing plug would the pack have? Someone...
  6. Z

    What is the C-rate about the battery?

    when we say that a battery receives a charge current of one ampere (1A) passes one coulomb (1C) of charge every second, what does it mean? How to understand the C-rate about the battery?

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