Cover  by Simon Monk

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5
Batteries and Power
Everything that you make or adapt is going to need to get its power from somewhere. This might be from a household electricity adapter, solar panels, rechargeable batteries of various sorts, or just standard AA batteries.
In this chapter, you will find out all about batteries and power, starting with batteries.
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I use the word “battery” to describe both batteries and cells. Strictly speaking, a battery is a collection of cells wired one after the other to give the desired voltage.
Selecting the Right Battery
There are many types of battery on the market. So, to simplify things, in this chapter we will just look at the ...

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