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Vantec Power Gem White 3500 mAh Rechargeable Portable Battery VAN-350BB-WH
  • Lithium-Ion Polymer
  • 5V
  • Port I: 1A for iDevices
  • Port II: 1A for Smart Phone (Maximum 2A Total Output)
  • Recharge Time: 4 to 4.5 hours
  • Protection: Over Charge Protection, Over Discharging Protecti
  • $69.99
  • $34.99
  • Save: $35.00 (50%)
  • Free Shipping (restrictions apply)

5 out of 5 eggs Great for travel 05/28/2014

This review is from: Vantec Power Gem White 3500 mAh Rechargeable Portable Battery VAN-350BB-WH


Simple, two ports for devices. Great for powering the kids devices in the car on those really long road trips. One of these will deliver roughly a third recharge on a Kindle HD tablet or full charge on a phone.

Vantec customer service was good and getting an RMA# for the defective ones was really simple. The turn around wasn't too long and haven't had a failure since.


first two out of four failed with some weird flashing light error.

Other Thoughts:

Considering that I picked them up on one of the NewEgg deals for 9.99 each these were definitely a great deal.

The odd battery failure I suspect had to do with the cable I used to charge the batteries. It was a rapid charger for a blackberry. After the second failure I stopped using that cable for the batteries.

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  • Yric H.
  • Verified Owner
  • Owned For: 1 month to 1 year

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