Rechargeable batteries ARCTIC

Power Bank 4000mAh Backup Battery for Smartphone or Tablet Silver Same Size, 3x the Capacity of an iPhone 5.
The brushed aluminum top dresses the Power Bank 4000 with elegance and it earns you envious glances from the bystanders! With only 11mm thickness, the Power Bank 4000 easily gets into any handbag, laptop bag or even trousers.

Works With Any USB Powered Device.
The Power Bank 4000 can charge any Smartphone or tablet computer from Apple, Samsung, HTC, Motorola, Nokia, Blackberry, Sony and LG adding over 16 hours of talk time or 20 hours of Internet use. It also charges any kind of USB powered devices like Bluetooth headsets or wireless speakers.

Smart Charge Level Indicator.
With the Power Bank 4000 you always know how much juice you have left in your battery and when you need to recharge it. Being out with a nearly flat Smartphone battery just realizing your power bank has no charge left? Never again!

Neatly Packed in the Travel Bag.
The mini travel bag protects the surface of your Power Bank 4000 from scratches of your keys or other small gadgets in your handbag or suitcase. It also packs the power bank and the included Micro- and Mini-USB slimcables together, so you are ready to charge your phone anytime.

Worry-free Charging.
An intelligent charge controller extends the battery life and a protection IC saves your Smartphone and the Power Bank 4000 from short circuit, over voltage and over current.

3 Years Standby.
The Power Bank 4000 achieves 3 years standby time due to a low leakage Mosfet. This guarantees you full charge even you haven't used the power bank for a while.