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black light battery Customers Reviews

  • head torch

    posted by johnnymachine

    I really like the fact its rechargeable you cant beat that ,At the moment Im working in a dark work shop and need the light with hands free to carry out the work, It has good battery life And the head strap fits my head over a hat
    its a funny thing i was quite impressed with the little light till a work mate brought a h7 head lampi was gutted but his was not rechargeable so i set to work. I ripped the lamp out and retro fitted an h7 lamp with focus of course the battery life has been affected but for the extra light it well worth it
    for a head torch that is rechargeable and has a descent light out put although not to be worn for long periods i would recommend this for the home handy man but for a trades men there i a better light but rechargeable now thats harder to find
  • 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.
  • Very bright light

    posted by SZAL99

    That´s a very easy-to-use illuminator. The rechargeable batteries are very handy.It can be used in the common 1/4-20 screw of a tripod or fitted to the flash holder. It is very light, can be used as a flashlight anywhere, not only for photos or videos
    The possibility to attach various units together makes it very flexible. It is better to have a few of them instead of one or two of the big units
    Battery life is not very long, better to have extra charged batteries if you are going to use it for long time - more than one hour.
  • A1 180-200lm 6000K White Light Flashlight - Black (1 x AAA Battery )

    posted by LucasRoberth

    English: -It has a ultra bright light;-Very easy to carry;-Perfect for emergencies;Portugues:-Luz ultra brilhante;-Muito facil de carregar consigo;-Perfeita para emergencias.
    English:I recommend it. It was delivered in 40 days.Portugues:Recomendo essa mercadoria. Chegou em aproximadamente 40 dias.
    Recommendable
  • Excellent product for that price

    posted by theseven

    - Cheap- 2A output- PCB contains battery protection circuitry (deep discharge, overcharge, short circuit)- Bypass diode from input to output- Step-Up converter efficiency of 70-80%- Trickle charges deep discharged batteries- Doesn't start charging if battery voltage is above ~4.15V- Fuel gauge isn't all the way off (but tends to be a bit too optimistic)
    Some data points:- PCB looks like the 2A output version, bottom picture here: http://i1138.photobucket.com/albums/n525/yulunyan/55.jpg- Battery charge completion: 4.20V- Powered off battery discharge current: 0.5mA- Powered on (idle) battery discharge current: 4.6mA (including LED)- USB output voltage (idle): 5.21V- USB output voltage (3.55V battery, 1.63A load): 4.57V (efficiency at this point: ~72%)- USB output voltage (4.1V battery, 1.75A load): 5.16V- USB output voltage (4.1V battery, 1.95A load): 4.61V
    Awesome product for that price, apparently well-engineered electronics.I'm really curious what that jumper on the PCB is good for.

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