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universal power bank

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universal power bank Customers Reviews

  • Useful and easy to use

    posted by lucacan

    To open and load the battery is convenient to press the opposite side of the usb ports. Inside you can stay the 18650 (protected or not); When charging is a visible red LED that turns green charging is complete. The plastic and 'good quality. The lamp usb that is given in each fits well but not perfectly (remains tilted about a millimeter from the base contact) without, however, hinder its use.Per aprire ed inserire la pila è conveniente premere dalla parte opposta delle porte usb. All'interno si può alloggiare la 18650 (protetta che non);In fase di carica è visibile un led rosso che diventa verde a carica ultimata.La plastica e' di buona qualità.La lampada usb che viene data in dotazione si adatta bene ma non perfettamente (resta inclinata di circa un millimetro dalla base di contatto) senza tuttavia pregiudicarne l'uso
    It can be used to charge batteries 18650 (even if the charge is not too fast) in the car or wherever you have a power supply 5v usb.Si può utilizzare per caricare batterie 18650 (anche se la carica non è troppo veloce) in auto o dove si dispone di un'alimentazione 5v usb.
    Does his duty in admirable fashion, the stack and 'an extra accessory that can be used in other contexts. Soon you will buy another.Fa il suo dovere in modo egregio, la pila e' un accessorio in più che si può utilizzare anche in altri contesti.A breve ne acquisterò un'altra.
  • Great device

    posted by MrFrank

    Provides an fast and efficient way to recharge your cell phone.
    Great device, but I recommend charging the batteries in a wall charger, and carry a spare battery
    The battery cover is a pain to remove so you'll end up losing it.It's charging my iphone4 10-15% /Hr so not bad
  • good cell phone accessory -- great value

    posted by FastFreddy

    good battery capacity, good build quality, simple design, uses a standard 18650 battery, appears to be pretty durable
    I modified the lid so the case will be easier to open. I used a Dremel Moto-tool to grind small notches in the lid so a prying tool can be easily inserted to open the lid. It would be nice if the device was designed so the battery could be more easily removed.
    A very useful device to carry if you anticipate a rough day of cell phone use. I have many things (mostly flashlights) that use 18650 batteries so I like the idea of having this external battery using a standard battery.
  • Very good portable charger

    posted by vento90

    Good looking Simple to use Four-bar working battery fuel gauge Moderate efficiency of 68% if phone charged to full, better if charged partitially. Very sturdy. Compact size compared to other 2x18650 housings.
    I own several portable batteries and this is clearly the best. This can't fit protected batteries, but this shouldn't be an issue since it has overcharge and overdischarge protection built-in. I'm using SKU: 180030 Panasonic batteries which stores the highest capacity of real 3,4Ah in 18650 casing.
    This little thing can store a lot of energy in small size with quality batteries.
  • perfect charger. very content

    posted by Oykie

    Works as expected, actually better. Seems to be the same as a much more expensive version a colleague of mine bought in store here in Holland...
    Design is okay, build quality is also fine
    Very content with this buy. No flimsy stuff..Works as expected, actually better. Seems to be the same as a much more expensive version a colleague of mine bought in store here in Holland...

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