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The Sybil is a slim 4000 mAh power bank in an anodized aluminum housing, UL certified, with a 5V/1A USB output and a Micro USB cable in the box. It is a basic top-up charger: enough for roughly one full phone charge, not for tablets or fast charging. Against rivals it trades capacity and speed for a metal body and a safety certification, and it can be customized. Buyers wanting quick charging or multiple charges per outing should look at higher-capacity banks.
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Lowest price we've seen: $7.88 on Nov 14 at Everything Promo. Tracked across 2 stores since Nov 14.
The Sybil is a slim 4000 mAh power bank for charging smartphones and tablets on the go. It is UL certified and has an anodized aluminum housing. Each unit arrives in an individual box.
It uses a grade A lithium ion battery with an auto on/off overcharging function. You can connect any USB cable to charge a device, or use the included Micro USB cable to charge devices and to recharge the power bank itself. Output is 5 volts at 1.0 amp.
