How to Light a light bulb with a potato battery. Following on from Edison's first lightblub moment back in 1879, the OU's Stephen Serjeant experiments with an
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So, if the lithium-ion battery in your smartphone has seen better days, there are a few things you can try to bring it back to life before spending the cash to
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Directly connecting ultracaps in series can be a problem after years. One ultracap has to work harder then the others (unbalance) You can add an ultracap balancer.
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[Lou] sent in this amazingly simple hack that has been saving him money on special batteries for his dog collar. He uses an invisible fence system which
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How to Light a light bulb with a potato battery. Following on from Edison's first lightblub moment back in 1879, the OU's Stephen Serjeant experiments with an
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So, if the lithium-ion battery in your smartphone has seen better days, there are a few things you can try to bring it back to life before spending the cash to
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Directly connecting ultracaps in series can be a problem after years. One ultracap has to work harder then the others (unbalance) You can add an ultracap balancer.
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[Lou] sent in this amazingly simple hack that has been saving him money on special batteries for his dog collar. He uses an invisible fence system which
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