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An electric battery is a device consisting of one or more electrochemical cells that convert stored chemical energy into electrical energy

1
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I have an application where I need a rechargeable battery in a very tight space too small for two 18650’s but large enough for a single 26650 cell. I have done some research on these cells and current …
asked Nov 29 '18 by Ryan
1
vote
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want to use 5 strips. I could buy a 12V battery and power inverter to supply 120VAC, but I would like to see if there's a cheaper or easier way. I could rig up some AA batteries in series and parallel … to supply 12V to a power inverter, but since batteries lose voltage as they drain, would I need to buy some sort of "voltage booster" to maintain the 12V? Could I even use a single portable phone …
asked Sep 4 '16 by Ryan
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Looks mostly fine. I'm not overly familiar with this specific charging module so correct me if I'm wrong, but it looks like there is an input to charge the batteries, but no output pins, so you would … have to directly draw current from the Li-ions. It should be fine for just a 2A draw, but any higher and I would make sure I have output current protection. When your batteries drop below 4V, you …
answered Oct 6 '18 by Ryan