This powerful and practical bundle features the XS Power SB630-34 SuperBank Ultracapacitor and the Rockville RPAK Charcoal Backpack, combining next-generation vehicle power support with durable, stylish gear transport.

The SB630-34 is engineered for high-performance 12V systems and automotive applications requiring rapid energy delivery. With 630 Farads of capacity and up to 5000 watts of peak power support, this capacitor bank ensures reliable system cranking and voltage consistency during demanding use. Whether for car audio amplifiers or cold-weather vehicle starts, the ultracapacitor reduces battery strain and improves the longevity of electrical components. Its Group 34 dimensions fit most vehicles, while ultra-lightweight construction and M6 hardware simplify installation.

Complementing the capacitor bank is the versatile Rockville RPAK backpack. Constructed from tough nylon, it includes a padded laptop compartment, large main storage section, hidden zip pocket, dual side holders for bottles or umbrellas, and comfortable padded shoulder straps. It's ideal for anyone on the move, whether commuting, performing, or managing events.

Together, this bundle is built for power and convenience-enhancing automotive system performance while keeping your gear organized and protected on the go. The RPAK backpack's main zippered compartment measures 15” W x 21.75” H extended, or 15” W x 18” H folded—perfect for flexible, stylish storage.