Credit Card Power Bank from £4.49 from Groupon (Save up to 82%)

Featuring a built-in 2300mAh polymer battery, these power banks are designed to boost the battery life; suitable for various USB devices
£4.49

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Higlights

  • High-capacity power bank with a 2300mAh built-in polymer battery
  • Ideal for Samsung, tablet PC and USB devices with Micro USB plug and iPhone connector
  • Built-in 2300mAh high-quality rechargeable Polymer battery
  • 500 and more recharge cycles over the life of the battery
  • Type of battery power display the accurate percentage of power
  • Single USB 5V / 1A output charge for mobile phones 
  • Ultra-high conversion efficiency (>75%) 
  • Full charging time: 3-4 hours
  • Non-flammable ABS shell design
  • Anti-scratch
  • Anti-fingerprint 
  • Small appearance and easy to carry
  • Can fit in wallet
  • Dimensions: 4cm x 7cm 1.2cm

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