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Maxwell 2600 Farad 2.5V Ultracapacitor, EV(used) Qty 12 For Sale


Maxwell 2600 Farad 2.5V Ultracapacitor, EV(used) Qty 12



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Maxwell 2600 Farad 2.5V Ultracapacitor, EV(used) Qty 12:
$165

Lot of 12 Maxwell 2600 Farad 2.5V Ultracapacitor
You are offerding on a lot of 12 used Maxwell BCAP0010 A08 BOOSTCAP 2600 farad 2.5 volt ultracapacitors. These ultracapacitors were used in a hybrid bus application, and removed in an upgrade. They were in service about 12 months and were working fine when removed. These are the next generation of energy storage, and will eventually replace batteries in many applications. They are very similar to normal capacitors, except they have enormously more energy storage capacity. They have the following advantages over batteries:
  • Can be charged and discharged far more rapidly than batteries (almost instantaneously in most applications)
  • Not affected by temperature extremes
  • Virtually unlimited life (over one million charge/discharge cycles)
  • No complex charge controller necessary, just be sure the voltage never exceeds the unit's rated voltage of 2.5V
  • Contain no acid or corrosive chemicals

Basic specs:

  • Capacitance 2600 farads
  • DC Equivalent Series Resistance (ESR) 0.7 milliohm
  • Specific Energy Density 4.3 WH/KG
  • Operating Temperature Range -35°C to +65°C
  • Stored energy 8125 joules (2.26 WH)
  • Leakage Current (max) 5 mA
  • Connections M8 Bolts
  • Weight 1.25 lb (568 grams)
  • Diameter 2.4inches (61 mm)
  • Length 7.0 inches (179 mm)


Click HERE to see the Maxwell data sheet on this capacitor.Click HERE to see the Maxwell ultracap FAQ page.
Click HERE for a short note on converting electrical energy units to mechanical energy units.
One important application for these devices is for electric vehicle regenerative braking. Due to their ability to quickly charge and discharge, they can recover 80% or more of the car's energy that would otherwise be lost in heat. Batteries generally can recover less than 30% of this energy due to their limited charge acceptance.
Another application is the storage of solar energy. Many solar applications (garden lights, for instance) quickly fail due to the poor life expectancy of the battery in repeated charge/discharge cycles, poor charge control, and temperature cycling. Ultracapacitors are largely immune to these problems. These ultracapacitors can be combined in series for more voltage or parallel for more current. They ought to be good for solar related projects such as remote sensor power, solar lighting, solar electric gates, etc

For use as a starter or starter booster see a great video we madeHere. This is a 7L marine diesel engine started with these caps only charged off a car battery.

And HERE is a very good website dedicated to ultracaps with a lot of useful info, theory and tips.
And HERE you can see an entertaining video of how to destroy nails and coins with ucaps.
Click HERE to see an interesting web page by someone who made a pool lighting system using solar panels and ultracapacitors.They are also beginning to be used in space satellite applications due to their robust design and superior life expectancy over batteries. And now they are about to be in the new Pugeot cars for stop/start systems. See
http://www.sae.org/mags/aei/8412
for a recent article on this application.
Check out our other solar and EV stuff by clicking HERE.
These ultracaps are used surplus, working, untested. May have minor scratches or stains, but nothing that will affect their function. Two bolts included with each ultracapacitor. Sold with a 10 day no DOA warranty.
For technical questions, email hlandis@hotmail.com.


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