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    Serial charging of two 18650 with one TR-001

    The batteries have protection circuitry, thats _supposed_ to prevent overdischarge and overvoltage. But that's per individual battery, not the pack...Guess I'll have to remove the batteries each time then.Thanks for the input :)
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    Serial charging of two 18650 with one TR-001

    Hello I've got a pack that I need to recharge, preferably without disconnecting the batteries from the battery holder. But since they are coupled in series, it won't work by default to just connecting them to one charging channel. I was wondering if I could wire the charging channels in series...
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    Magicshine MJ-808 driver question 12V

    Hi The batterypack has just given up on me, 7,5V when fully charged. And now, instead of buying a new pack, I'm going to make an adapter to use my cordless drill batteries instead. It's a great charger, and the batteries are high C capable. It's the Bosch 10.8V drill batteries: The original...
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    LiIon cells in extreme cold, self discharge

    Ok, so if I'm gonna have a flashlight in my car that's constantly in cold weather, I should use lithium primaries? Won't the electrolyte freeze? I can get a 123A Dummy if I choose to use this flashlight, so no worries. If I get a flashlight that can take Alkalines, will they hold their charge...
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    LiIon cells in extreme cold, self discharge

    Hi I'm wondering how how ordinary Trustfire batteries behave under extreme cold. I just bought this flashlight (http://www.dealextreme.com/details.dx/sku.19767) that I thought would be good in my car. But usually when it's dark here (sweden) it's also very cold. Last winter we had temps down...
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    Powertool battery, what to do?

    Thanks for your input. I think I'll buy the light and modify the head. I tried looking for used/broken or refurbished tools, but none were available. Cheers!/Mats
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    Powertool battery, what to do?

    Hey guys I've got a question for you. I've got a bosch powertool that uses 10.8V batteries and has a great charger. And I would like to use the batteries that was included to power a good led light. But I'm not quite sure on how to accomplish this... My first thought was to make a mold out of...
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    Best SST-50 flashlight?

    Ooookaaay :/ Good points... My friends have lights that are a bit smaller, perhaps 150g +1x18650 battery. But I want more lumens... Is there any SST-50-based lights that is a lamp+housing and have the power source seperate? I found a P7 based on DX, but it's only "900 lumens"...
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    Best SST-50 flashlight?

    Hi I was thinking of buying the UniqueFire UF-1500L "1100 Lumens" light to use as a headlamp when using my quad (I'm gonna duct-tape it to my helmet). But I've never heard of uniquefire before, and for almost 70$+shipping+tax, I want to be sure I getting good stuff. DX lists this model as...
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