Recent content by goixiz

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    Replace Ni-Cd with Li_ion on a drill

    Thanks for the info advice I just hate to waste a good drill and when i have so many Laptop individual Li ions on hand Accept - i will look for Ni-cd c cells to replace it Thanks again BTW I do have a job and those comments bout "get a part time job" is not needed to clarify your point and...
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    Replace Ni-Cd with Li_ion on a drill

    I have an cordless old drill in perfect condition but the Ni-Cd battery barely holds a charge (14.4V dewalt). I would like to replace the C size batteries in the pack with Li-Ion 18650 batteries from various laptops that i rescues through out dumpster diving. Is it possible to group some of...
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    Please educate me on 18650 batteries

    If someone can point me to some simple (not advanced) reading of 18650 batteries that will be very helpful. I would also like to know how many types of 18650 are there - types as in Unprotected Protected with vents&temperature of sorts Protected with PCB ,, Any other types Thanks in advance
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    Equipment for measuring battery quality

    liveris can you please elaborate how you connect the DIY tester I like to build one myself and if possible provide a schematic and components used Q: is 4.7 ohms kinda small - draws almost 1A is that ok ? p.s. i plan to use a battery holder that will enable me to test single or double...
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    Pls Recommend me a charger

    IM looking for a charger that can charge my prepackaged batteries. I have 2 types for different bike lights 4.2V and 8.4V and they have an end connector to the grouped batts. The Batteries are 18650s What is the correct voltage to charge the 4.2v and 8.4v And Is there a proper Current to...
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    Equipment for measuring battery quality

    I am not an electrical engineer but i can understand wiring and schematics. I would like to buy (preferred) some simple electronics measurement devices to measure the quality of 18650 batteries and maybe do some simple loading tests to make sure they are safe to use. Can someone recommend me...
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    Making own battery holder supplies

    Please assist me in providing me some links on where i can find battery holders and connectors for 18650 batteries. TIA
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    18650 4 cells parallel holder discussion

    I have seen both protected and unprotected 4 cells 18650 battery holders (in parallel) The protected ones are significantly more $ (expected) and also a tad more complex to use in the field due to requirement of a reset voltage if batteries are changed/ replaced (planning to replace in the...
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    converting Nimh craftsman 19.2V drill to li-ion?

    im interested as well I too have a few low (almost dead) 19.2 (non li-ion) batts that i like to convert but i did over the blk friday deals score a li ion battery from sears
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    Making / Assembling 2x 18650 to create a higher mAh battery

    I would like to assemble a safe set of batteries depending on duration of use for this particular light Question: 1. Should i group 2 or more up to 4 - 18650 in parallel = 4.2V 2. Batteries will be individually charged 3. Where else can i get a battery holder to have up to 4x parallel...
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    Li-Ion Parallel Charging

    I have a set of battery rated 4.2V 4400mAh for my light. Its an external battery for a small headlamp. I noticed that in order to charge my battery with the charger provided (output 4.2V) takes at least 8 hours and that seems a lot. The battery pack has 2x 18650 (setup in parallel mode) I...
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