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    Batteriser - Evaluating their claim to get 80% more energy from batteries

    Hi there! I think this new product called Batteriser is a bunch of marketing hype and won't stand up to any real tests. I would not recommend anyone purchase this product and instead wait for the reviews to come out and to be very skeptical It's a stainless steel sleeve that goes over a...
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    Ideas for Single AA and AAA batteries?

    Hi, I have some AA and AAA batteries lying around and looking for some ways to use them. Like when you buy a 4 pack of batteries, and the product only needs 3. What to do with the left over one?? I try not to mix batteries so I'm looking for some ideas on how to use them. Some ideas like a...
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    Calculate value of base-emitter resistor for Dark Activated Light

    Hi, This will sound like a homework question. All I can say is that it isn't, and I'm not looking for any answers so I can pass any tests (those days are behind me, I hope!) For those interested I'm an IT professional dabbling in electronics. I am designing this Dark Activated Light for fun...
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