erikwong's latest activity

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    erikwong đã đăng chủ đề mới.
    Connecting 18650 cells in series increases voltage, while connecting them in parallel increases capacity and current capability. The...
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    erikwong đã đăng chủ đề mới.
    Button top and flat top 18650 batteries use the same basic cylindrical format, but their positive terminals are different. That small...
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    erikwong đã đăng chủ đề mới.
    Most 18650 lithium-ion cells are described with a nominal voltage around 3.6V or 3.7V, but the cell does not stay at that voltage during...
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    erikwong đã đăng chủ đề mới.
    When people talk about drone batteries, LiPo usually comes up first. That makes sense. LiPo packs can deliver a lot of current, which...
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    erikwong đã đăng chủ đề mới.
    Drone battery is easy to buy when the aircraft is already on the market. You find a battery with the right voltage, capacity and...
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    erikwong đã đăng chủ đề mới.
    An agriculture drone has a very different working day from a normal camera drone. It may take off with a full tank, fly low over a...
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    erikwong đã đăng chủ đề mới.
    If you have ever watched an FPV racing drone launch at full throttle, you already know that its battery has a very different job from...
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    erikwong đã đăng chủ đề mới.
    If you have ever watched an FPV racing drone launch at full throttle, you already know that its battery has a very different job from...
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    erikwong đã đăng chủ đề mới.
    When a drone manufacturer asks for a battery, the first specifications are often something like: “We need 6S, 10,000mAh, 30C.” It...
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    erikwong đã đăng chủ đề mới.
    When a drone manufacturer asks for a battery, the first specifications are often something like: “We need 6S, 10,000mAh, 30C.” It...
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    erikwong đã đăng chủ đề mới.
    Short answer: For most cordless power tools, high-discharge lithium-ion batteries using 18650 or 21700 cells are currently the best...
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    erikwong đã đăng chủ đề mới.
    Do batteries weigh more when charged? Yes, a charged battery technically weighs slightly more than a discharged battery because stored...
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    erikwong đã đăng chủ đề mới.
    A lithium battery usually does not fail overnight. Most customers notice the problem slowly: A power tool that used to work for hours...
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    erikwong đã đăng chủ đề mới.
    When companies develop energy storage products, choosing battery cells is usually one of the first decisions. But after years of working...
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