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  • £300

These amazing devices store an electrical charge, so it can be used later. 'Normal' capacitors usually store energy for a few seconds to help buffer power supply wobbles. Thes 'ultra' or 'super' capacitors have a much larger surface area and so can store much more energy so it is useful for longer periods.

We use the 0.47F 5.5V version in our solar torch, solar dice and solar 8-ball units.

The 10F 2.7V version can store a lot more charge, but the voltage is lower, so you need to use two in series to work with our solar panels.

You need to be quite careful with these - too high voltages will break the very thin layers within the capacitor. Do not go over the rated voltage!

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