Universal Magnetic USB Charger

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5 Reviews

UC (Universal Battery Charger) is a universal magnetic USB charger for most single cylinder rechargeable lithium or NiMH batteries of variable sizes. *Not compatible with customized dual polarity batteries*

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    • Description
    • Technical Details
    • Reviews




    • USB powered with a charging current of 750mA.
    • Compatible with lithium batteries with a rated voltage between 3.6V and 3.7V. NiMH batteries.
    • Charging for dummies. There is no need for matching the polarities, as the charger can automatically recognize them when in use.
    • All sizes compatible. It works perfectly on cylinder shaped batteries of variable diameters and lengths.
    • Tangle-free flat cable design. Easy for storing and organizing.
    *To prevent a short circuit, DO NOT charge batteries with a positive AND negative polarity on the same side. This includes Olight customized batteries built for magnetic charging.








    Main Material Silicon (Cable wrap), rubber (body), aluminium alloy (battery polarity and connection cable)
    Dimensions (L)300mm x(W)8.7mm x(TH)21mm
    Weight 20.5 g
    Color Black(Cable), Blue(Cable Spliter)
    Powered by Cylinder shaped rechargeable lithium and NiMH batteries
    Rated Voltage 4.7V to 5.2V
    1. CC & CV rechargeable lithium batteries
    2. CC-DELTA V NiMH batteries
    3. Red indicator (Blinks 3 times per second) - Standby
    4. Red indicator - Charging
    5. Green indicator (steady) - Charging Completed
    Max.Charging Current 750mA
    Max. Charging Voltage
    1. 4.25V for rechargeable lithium battery
    2. 1.45V for NiMH battery
    Charging Cut-Off Points
    1. When the charging current drops down blow 100mA for re chargeable lithium battery.
    2. Delta V (when the voltage drops after it is fully charged) for NiMH battery.






    Slots 1
    Compatible Battery Type Li-Ion(3.7V) and NiMh(1.2v)
    AC Wall Adapter Optional
    12V Car Adapter Optional
    Max . Charging Current 0.750
    Detailed Charging Current 1 slot - 0.750A
    Compatible with Lithium Cells 10340, 10350, 10440, 10500, 12340, 12500, 12650, 13450, 13500, 13650, 14350, 14430, 14500, 14650, 16500, 16340(RCR123A), 16650, 17350, 17500, 17650, 17670, 18350, 18490, 18500, 18650, 18700, 20700, 21700, 22500, 22650, 25500, 26500, 26650
    Compatible with NiMH/NiCD Cells AA, AAA, C, D, AAAA
    Customer Reviews
    1. Great charge
      Easy to use. Charges fast and great for universal charging...

      Review by

      Posted on

    2. Service
      I have two of these for use with a small solar panel when hiking. It takes a little finesse sometimes to get the magnet on the positive terminal but the size and weight are excellent for keeping AAA and AA rechargeables charged. Great for emergency use as well, it takes no space in a pack or luggage.

      Review by

      Posted on

    3. Service
      - Compact
      - Charges quickly
      - USB Powered
      - Indicator LED
      - Magnetic

      - Poor fit on positive battery terminal RCR123A & 18650

      I really like this charger, it charges reasonably fast and has a status LED that is red when charging and green when the battery is fully charged. However there is one thing I do not care for. When you go to charge a battery and place the terminals on the negative side the fit is fine, however the Positive side will not fit around the battery terminal on RCR123A and 18650 batteries. This causes the charger to sit at an angle on the top of the battery terminal, making for an easily broken connection. Otherwise i think this charger is great.

      I really like this charger but would like to see a slight change made to one or both of the contact points to better accommodate the positive terminals on 18650 and RCR123A batteries.

      Review by

      Posted on

    4. Service
      Works great and reasonably fast too. I like a lot.

      Review by

      Posted on

    5. Service
      This is a great product! I use it to charge my 18650's and other various batteries and it does the trick. It is super compact as well.

      Review by

      Posted on

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