Scosche has started shipping their new battery solution called mobile pocket goBAT II USB 5000mAh Battery pack that is suitable for charging iPhone 4 or iPad. According to the claim of Scosche, their goBAT II USB Portable Battery pack can recharge iPhone 4 up to 2.6 times, or about half of iPad battery life.
Scosche goBAT II USB Portable battery pack have two USB ports to let you charge two gadget at once, with one of them has 2.1 Amp suitable for recharging bigger device such as tablet (e.g. iPad), while the second one has 1.0 Amp for smaller device like smartphones.
When the battery in Scosche goBAT II USB portable battery pack run out, you can recharge it back it 6 to 8 hours at max. If you are interested, you can now get Scosche goBAT II USB portable battery pack for $90 directly at Scosche website.