Replacement Battery Losing Charge in My Samsung S7

I had the battery in my Samsung S7 replaced last week, I need a small phone which fits in my pocket and the only issue with the phone was the battery was losing charge quickly.

I noticed more or less straight away that the new battery had made no difference and performance was in fact actually worse. Returned to shop following day to be told bad luck must be something wrong with your phone. They could only suggest that they do a factory reset and I use only for basics.

Receipt says I have six month warranty but not sure if given that phone is old if they are within rights not to refund? Any thoughts?

Comments

  • +7

    Very common to have crappy non original batteries for sale sold as genuine

    Who was the repairer?

    Threaten ACCC and negative reviews on their social media (in reverse order)

    • or didn't even bother to change it , just like car servicing scam

  • +2

    Maybe try measuring your total watt-hours being put into your phone from dead flat. Use a cheap USB current meter and see if the full-charge Wh matches even close to the battery rated Wh.

    Also try a factory reset. If you have background apps constantly draining your battery then it's not a hardware fault, it's user error. See if the basics do indeed make any difference. This also makes sense if your new battery has no discernible difference to the old - the battery was fine and you are indeed the problem.

    Receipt says I have 6 month warranty but not sure if given that phone is old if they are within rights not to refund? Any thoughts?

    They promised to replace your battery with a new one, which they have done. Unless you can prove fault (e.g. a bulging battery) then you have no real case against the installer, they'll just say that everything is working fine (which it is) and it's a user issue (which you haven't disproven).

  • +1

    I need a small phone which fits in my pocket

    S7 - 142.4 x 69.6 x 7.9 mm @ 152 g

    S22 - 146 x 70.6 x 7.6 mm @ 167 g

  • Pretty certain you were given a dud / non genuine battery. There are Android apps out there that could be used to measure the real capacity of the battery, however unscrupulous stores when fitting your battery will have used special tools / software to reset the cycle count, clear error codes and even change the manufacture date of your battery to make it seem newer than it actually is, and they can often claim that the battery they give you is new when it is not.

    Given the age of your phone I'd say it would be better to replace the device rather than pay (even more) money replacing the battery. Samsung isn't updating the S7 anymore.

  • It's also likely the repairer purchased a "new" battery from their supplier where in fact it was a refurbished one. Battery refurbishers have been known to replace the wrap / sticker on used batteries to give them a new appearance and list better mAh than what it actually is.

    May i ask what you paid for the "new" battery and labour?

    • Paid $89.

  • I ended up buying an S22 this afternoon but just wondering if I do have any rights to a refund.

    The phone wouldn't charge at all overnight, tried 4 different chargers - finally got it to charge today but wasn't really using it and literally watched the battery drain within a few hours. 31 % to 2% in seconds.

    I don't want to get into a huge debate with the guys in the shop but am pissed off that the new battery is worse than the one they replaced.

    • +1

      Was it an official Samsung store or one of those kiosk in the shops?
      If the latter just cut your losses and move on. They would just argue that the issue is with your phone and not the supposedly “new” battery.
      Personally I would never use third party repairers and now hopefully you won’t either.

      • Unfortunately no Samsung store near me so just a kiosk - live and learn…

  • +1

    have you tried running it flat and charging it completely while it is off and then turning it on only when completely charged. i was under the impression that android notes the maximum battery capacity in that situation.

    also there might be an option for only charging to 85% capacity in your samsung

    • Yeah, it was switched off this morning when I finally got it to charge and did charge to 100%.

  • +1

    I tried to buy a genuine battery for my S7 years ago and failed. There are so many counterfeits out there, and the genuine batteries are old and degraded.

    Phones are basically disposable items now. Use for 2 to 3 years and toss out.

      • Phones are basically disposable items now. Use for 2 to 3 years and toss out.

      the European Union is proposing some new laws that are extending the life of phones and tablets for at least 5 years. In an ideal world both genuine parts and software updates should be available for at least 5 years.

      It'd be much less wasteful and consumer friendly if this law comes to fruition, everyone needs a mobile phone in this day and age and it's ridiculous that phones have to be discarded when the manufacturer decides to just stop making spare batteries or parts for it.

  • I probably have to put the battery thing down to lesson learned and forget about wasting $89.

    My S7 has lasted me really well and I've definitely had my money's worth out of it.

    Thanks for all your replies.

  • -3

    upgraded my kids to s9+ and s10+

    have a spare s7 now, you want it for $50?

    • Thanks for the offer, ended up buying an S22.

      • -2

        Go return it for refund lol…. S23 comes out in less then 2 months

  • The Samsung Store (and service centres) will replace the battery for $110

    Seems like the way to go if you're worried about whether or not you're getting genuine parts

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