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I only charge my phone when it is below 20%. It turns red when it enters 15%

I, on the other hand, I'm always charging my phone. I thought I was saving it's life. Little did I know.

It is not out fault oo. It is Naija because we love to take every opportunity when light comes as we do not know when it will be back if gone for a long time.

Exactly. I dont want to risk having a low battery

Where can you find this information?

You can find it anywhere. The phone stores tell people this too.