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Chemical Energy

If the chemical energy of a system decreases during a chemical reaction, it is transferred to the surroundings in some form of energy. Often this ends up as heat, but in the case of our dynamo / windup torches the chemical energy used by your arm to crank the handle of a torch is ultimately also transformed into electromagnetic energy in the form of visible light.

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Rechargeable Wind-Up Torch With 5 Super Bright LEDs

8.49

Handheld torch with built-in dynamo mechanism and rechargeable batteries. It is lightweight and comes with three illumination modes (one, three, and five LEDs) as well as an output socket (cable included).

Five super bright LEDs
"Button-operated illumination modes (select one LED, three LEDs, five LEDs to control battery life)"
In-built rechargeable batteries
Dynamo charges batteries
Pull out the handle and turn to charge (two rotations per second)
One minute charge yields up to 15m of light
Boxed with instructions
Cable to charge other devices (instructions not provided)
No-hassle lighting saves a fortune in batteries
Lightweight and ergonomic
LED Charging Indicator
Dimensions: 136mm x 55mm x 45mm
Due to the brightness of the LEDs this torch is not suitable for young children.
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