Normally cell batteries have a shelf life of 2 to 5 years under normal use. After that time we have to replace them. Nowadays there replacement batteries which are cheap, but these batteries last for much less cost only months. An easy solution is to use batteries in a circuit that requires less current, we can use them for lighting LEDs.
How to Reuse Old Cell Battery for LED lighting
How to Reuse Old Cell Battery for LED lighting
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