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RAVPower Xtreme 15000mAh Voltage-Adjustable (5V 9V 12V) External Battery Pack Charger
  • Phone, Tablet, Netbook with DC 5V/9V/12V Input
  • Lithium Polymer
  • 3.7 Volt
  • USB Output: 2* DC 5V
  • Input: DC 12V 1.2A(Max)


Huge capacity, 15000 mAh can charge my phone (3300 mAh) about 4x or Ipad 4 once. Professional looking case, simple one button charging/auto shut off. Came 95% charged.


Only thing I've noticed so far is the USB ports are a bit 'tight'. Also the charging cord plug is a bit awkward, just be gentile when using it to make sure you don't jar the charging port lose from the pcb.

Other Thoughts:

The charging on this pack is +12v (no USB charge) which I consider a plus. Some may desire to charge via USB, but with packs this large your talking over 24 hours to charge. The manual states the 12v 1.2a charger can bring the battery to full in roughly 5-7 hours, I haven't had the chance to do a full charge yet to test the speed however. I also consider this a plus for automotive charging, as long as the alternator is off most car batteries put off 12.5v which should allow charging without using a controller/smart circuit.

Really can't go wrong for the price. Just consider the size and weight for your application. This is more of a bag/purse type of item, you won't be shoving it in your pocket easily.

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  • Evan D.
  • Verified Owner
  • Owned For: 1 day to 1 week

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