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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 'Faraday' LED Torch - Shake to Charge

12.99

Handheld torch with built-in 'Faraday' coil and batteries, recharges by shaking! Shockproof and waterproof to 2.5m with three super bright LEDs.

Three ultra bright LEDs
Rubberised on-off switch
In-built rechargeable batteries
Shaking recharges batteries
One minute shaking yields up to 30m light
Boxed
Shockproof and waterproof to a depth of 2.5m
Select one or three LED illumination
Two coils for faster power generation
Works under water!
Dimensions: 220mm x 40mm x 50mm approx.
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