Kensington Computer Products Group ( has introduced three new iPad accessories to help boost productivity for users of the tablet computer on-the-go or in the car.

Kensington’s PowerBack Battery Case with Kickstand and Dock (US$129.99) is an all-in-one design that integrates battery charging, protective casing, three-position kickstand and dock abilities. The built-in charger provides up to five extra hours of power for iPad, while the slip-on case protects the tablet computer.

The PowerBack’s kickstand adapts to individual user needs by offering three convenient viewing modes for iPad: portrait mode is best for photo viewing and web browsing, landscape mode is best for video watching, typing mode texting and emailing.

You can eliminate the need for multiple chargers with the Kensington Wall Pack Duo Charger ($29.99) that simultaneously powers two iPad, iPhone, or iPod devices from a single wall outlet. Featuring a low profile design, the extra power source also includes a detachable USB sync cable to sync devices from a computer.

Kensington’s PowerBolt Duo Car Charger ($29.99) offers a quick charge on the road to both an iPad and iPhone, iPod, or other mobile device. It features two power ports to simultaneously renew energy.