Can it be bad for your phone if you use a portable battery?

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It's only been a year since I used my cell phone, but the battery runs out faster than when I first bought it...

I heard that it can happen if you use a portable battery often, is that true?

228 3 7 years ago

pu1. There is a limit to charging and discharging any battery, but since I use my cell phone a lot enough to use an auxiliary battery, I think I must have charged and discharged quite a lot. In that case, I used it well in about a year.

2017-11-11

pu2. It doesn't mean that I use a portable battery. I think it's because charging and discharging happens often because I use my cell phone a lot.

2017-11-11

pu3. Thank you for letting me know

2017-11-11

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