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8.4v rechargeable battery

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8.4v rechargeable battery Customers Reviews

  • 8.4V 4400mAh Rechargeable 18650 Li-ion Battery Pack for Bicycle

    posted by vertaonovacki

    Easy to charge, easy to fix on the bike, pretty light.
    Serves very well for your purpose. The battery has a good charge, seemingly lasting for more than anticipated.
    Good Sale. The product to be perfect, would be sealed, preventing water ingress components. Otherwise, the product complies with the proposal. I recommend.
  • Great replacement Battery for Trustfire flashlight

    posted by lucashimself

    Great silicone casing envolving the lithium battery, very safe, its weatherproof (rain, spilled water shockproof), the nylon casing is great to attach to your bike or another stuff is very useful, the best i ever had. Its easy to fix it anywhere.
    Great product overall, the cases are perfect, the only issue is the poor battery duration, it dos not have the 4000mAh like it says. Works very well.
    I reccomend to all customers, nice product. I probably will buy more of these.
  • Overall, a great battery pack but not 8000mAh

    posted by EdFromOhio

    High capacity, works with many of the bike lights sold here, comes with a nylon pouch. Much higher capacity than most 18650 packs.
    No charger is included, so go in knowing that. After an overnight, full charge, tested capacity at a 1 amp draw was 6639mAh. That's much better than the 18650 packs sold here, but still a far cry from what some quality 26650 cells could do.
    Overall, this is a great battery pack. It should yield at least 3 hours on a single-LED light on high, and support multi-LED lights longer than the typical 18650 packs. I expected the capacity to be lower than advertised, but still disappointed that DX shows "Actual Capacity" of the full 8000mAh when it was about 20% lower than that on a fresh pack.
  • Certainly the best option!

    posted by browcwb

    Charges the batteries of 9 volts quickly, has insulation against overload, is a durable product from a trusted brand, the batteries that come with the product are of high quality, accompanies the removable cable, the cable if damage is easily able to find another that you replace on the local market, has led charging indicator and full charge individualized for each of the two batteries, the charging of the batteries is isolated may carry one or two batteries of different brands and amperage, you can remove the battery already charged and insert a new one be loaded without the need to disconnect the charger from the outlet.
    Definitely recommend this product and would buy other products of the same brand!
    Soshine Rocks!
  • not completely compatible with 172326

    posted by woger68

    nice qualitycheap
    I bought this battery pack together with the Singfire SF-90 bike light (SingFire SF-90 Cree XM-L T6 4-Mode 1000lm White Bicycle Headlamp - Silver + Grey (4 x 18650) ) as a backup battery for longer rides. The connection type is a little bit different so the connection functions well but isn't waterproof. As far as I can see it is exactly the same battery and pouch which was delivered with the singfire bikelight.
    Great battery pack for a nice price, but not waterproof compatible with the Singfire bikelight.

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