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3.7v 4000mah battery

Every single 3.7v 4000mah battery displayed here is of a high level and the price is reasonable. Up to 50%! China's leading online retailer -- DX. We recommend samsung 3.7v battery, battery charging 3.7v as hot products. We hope that dx.com can be your prefered online retailer.
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3.7v 4000mah battery Customers Reviews

  • The first impression is good

    posted by vat74

    Taps for installation on board.High capacityIndividual cases for a couple of batteriesConclusions insulated heat-shrink tube.
    Batteries chose specifically tapped for installation on board. Immediately set them in place. Now my screwdriver got a second life. It now remains to check how long the battery will last update.
    The only battery soldered. The first impression is good, after tests on the actual load will see its potential.
  • Trustfire 25500 PCB LI-Ion

    posted by christianm

    Fast delivery (2-3 weeks to Germany). PCB works well, turns off at 7-8A. The capacity is close to the manufacturer's specification of 4000 mAh. I bought 6 pieces. the capacity is between 3200-4000 mAh!
    for the price you have to expect a better quality! The surprisingly high capacity for this small cell is good.
    after all, a good battery with high capacity and inadequate processing.
  • Excellent Product

    posted by LHBI

    Battery capacity is as written (purchased for my friend and it's confirmed by his measurements). They are protected so it's not possible to overcharge them (tested).
    Product Ecellent !!!! Indian buying this product .....
    Nothing !!!!!! I do not have anything else to talk about this product!!!

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