These small form factor ultracapacitor backup power modules are designed to work perfectly with our smart charging power supplies for a complete off-the-shelf PC/104 UPS backup power solution.  Ultra capacitors are a maintenance free extremely rugged solution to backup power, due to their long life and large number of recharge cycles.  All Tri-M ultracapacitor products are now rated for high altitude and -40 to +85C extended temperature operation