Ecosol has unveiled an updated version of its portable USB charger, Powerstick V2. The device serves as a charger or external battery for a variety of devices, including mobile phones, iPods, digital cameras, or Bluetooth headsets. The company claims the Powerstick can be charged to 90 percent capacity in 90 minutes or less, by plugging it into any powered USB port. The circuitry goes into a sleep mode after the internal battery has been fully charged, avoiding unnecessary power consumption.

The lithium-polymer battery offers a 750mAh capacity, with a cycle reported life of over a thousand cycles. A variety of connector tips are included with the package. The Powerstick can be obtained for $60, and is available from the company or through Best Buy.