Never run out of battery again.
The Swiss Mobility Power Pack 4000 is a rechargeable 4,000mAh lithium-ion battery and 2.1 Amp rapid adaptive charging for your iPhone, iPad, Android devices, cameras, e-book readers and other USB devices. Its compact design means you can store it in your bag for extra power when you may not be near a power supply. The Power Pack 4000 also features an LED flashlight, battery life indicator, and lanyard slot.
The Power Pack 4000 provides up to 18 hours of additional talk time (720 hours standby) on a standard smartphone.
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