Maxwell Technologies´ BCAP (BOOSTCAP) Series Ultracapacitors provide a wide range of choices for energy storage and power delivery. The 350F energy cell provides higher energy for longer discharge applications, while the 310F power cell provides higher power for fast discharge applications. All the Maxwell BCAP Ultracapacitor products perform reliably for more than 500,000 discharge-recharge cycles.Shipping information on the BOOSTCAP Ultracapacitor available at http://www.mouser.com/boostcap/.