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Voltaic V15 USB Battery and Set - V15

Sold Out - Backorder Available

Voltaic V15 Battery Specifications

  • Capacity: 4,000 mAh, 15 Wh
  • Output: 5 V, 1000 mA
  • Input: 5-6 V, 1000 mA
  • Maximum Output Power: 5 Watts
  • Weight: 126 g
  • Dimensions: 102 x 65 x 16 mm
  • Charge Time: V15 battery fully charges from 9 hours of direct sun with 4 Watts of solar panels or using any USB port or optional DC or AC chargers
  • Battery Type: Lithium Polymer
  • Protection: Short Circuit, Over Charge, Over Discharge, Over Current, Over Temperature
  • Charge Display: LEDs light sequentially when charging.
  • Capacity Display: 1 flashing LED 0%, 1 LED <33%, 2 LEDs 33-66%, 3 LEDs 66-95%, 4 LEDs 95%+ full

Useful Tips :

  • Turn the battery on before charging your device by pressing the power button. The battery can be used to charge any device that charges from a standard USB port.
  • If you don't see the correct adapter for your device, please use the manufacturer supplied USB cable or contact us via email or call us.

Compatibility :
Voltaic chargers are designed as universal chargers so this is a partial list of thousands of compatible devices. If you have a question about compatibility with your device or expected charge times, please contact us at


Brand Voltaic

how it works


  • Charges all USB Devices including all Apple, Android and Blackberry smartphones.


  • Charges all tablets that are powered by USB including Apple iPads and Samsung Tablets. Will not charge tablets that charge at 12 or 16 Volts.

Digital Cameras:

  • Compatible with cameras that charge from USB like GoPros. Not compatible with DSLRs.
  • 1.5X smartphone charges from Voltaic battery
  • 0.65X tablet charges from Voltaic battery
  • 0.8X camera charges

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