ReVIVE Series Back-Up Rechargeable POWER Boost for ALL BlackBerry's, Kindle 2 & Kindle DX - Refuel 3 Ways AC, USB and SOLAR Refuels your iPod, iPhone 3G / 3Gs, ALL BlackBerry's, and Amazon Kindle Features Built-in 1400mAh High-capacity Power Cell. Rechargeable up to 1,000 times. The Solar POWER BOOST can be charged 3 WAYS - Using direct sunlight GREAT FOR THE OUTDOORS - Charge it in the SUN AT: the beach 3 YEAR WARRANTY - Guaranteed Quality by ACCESSORY POWER