iPhone battery?

We all struggle with battery in our smartphones. It never lasts long enough. Sometimes we want to take great photo, other time send very important message or make urgent call and at that moment we see that our phone is turned off. It run out of battery. We all have been in such situations but have you ever thought "why our battery is so bad?"?

I don't know the answer but I have some ideas:

  • our smartphones have to be so light and thin that there is no space for battery
  • we want to have so many features and gadgets in our phones and all this things needs a lot of power
  • screens are too big
  • having small battery is essential for fast charging
  • we have to buy extra battery for our phone, so company earns more

And what do you think, why battery is so bad? Or do you disagree with me and you think that you have great battery?

Here you have solution for this problem :)

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