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Dry Primary Batteries

There are three major examples of dry primary cell (disposable) batteries; carbon-zinc, alkaline and mercury cells. Primary cell batteries stop operating after one of their chemicals is used up. Unlike a secondary cell, attempting to reverse the reaction in a primary cell via recharging is dangerous and can lead to a battery explosion.

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Rechargeable Wind-Up Torch & Bicycle Light

13.99

Handheld torch with magnetic bicycle mounting bracket. Built in dynamo mechanism, rechargeable batteries, and a DC output socket.

Three ultra bright LEDs
Use as a handheld torch and a bike light
Secure fixing / quick release magnetic bicycle mounting bracket
Built-in rechargeable batteries and dynamo
Pull out handle and rotate to charge (two rotations per second)
One minute yields up to 30m of light
Boxed with instructions
Cable to charge other devices (instructions not provided)
Save a fortune in batteries with this light
Rainproof
On-off button
Dimensions: 150mm x 55mm x 50mm
Due to the brightness of the LEDs this torch is not suitable for young children.
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