[Review] Official Samsung Galaxy S3 Extended Battery

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genuine-samsung-extended-battery-kit-for-galaxy-s3-3000mah-blue

 

Battery life in smartphones is always a little less than we need, and with the prevalence of external battery packs and portable chargers, replacement batteries almost get overlooked these days.  With good reason.

Most add way too much bulk and weight to your device, and no one wants a phone that feels like a brick, much less looks like one.  We’re all addicted to our super slim, super sexy devices.  Why would we want to make them fatter and heavier?

Truth of the matter is though, should it really matter?  If you get a few extra hours for a couple of extra millimeters on the back of your device, it’s worth it.

Enter the Samsung Galaxy S3 Extended (3000mAh) Battery, an official accessory by the peeps at Samsung. It adds an additional 900 mAh which is a 43% boost over the standard 2100 mAh battery. NFC is still included, so you don’t lose that functionality, and it comes with a replacement battery cover to accommodate the extra size (in both Blue and White).  Unfortunately, due to the added bulk of the battery, my crystal case no longer fits, so you’ll have to shop around for cases that fit if you plan on purchasing this battery.

Galaxy S3 Extended Battery - Side View

The replacement back fits perfectly, as expected, and the added depth recesses the camera, flash and speaker by about 2 mm, which I actually prefer as it means the camera is now less likely to get scratched in my pocket. Weight wise it adds 20 grams to the overall weight of my S3, making it 154 grams in total. Compared to 130 grams with the stock battery, it’s not much. In fact I barely noticed the weight difference! NFC still performs perfectly, with no perceptible drop in scanning performance.

The important part though, is how much extra time I got to play with my Galaxy S3 between charges.

With the stock battery I got about 10 – 12 Hours, involving some gaming, internet browsing, music playing over bluetooth and location  based apps ( Foursquare, Maps and Saga; all using WiFi, GPS and a-GPS).  The same usage with the extended battery, I got about 18 Hours usage, which is quite impressive.  I usually start getting anxious when my battery dips below 30% while I’m out and about, but that doesn’t happen with the extended battery.

Charging speed is also pretty good, the phone still fits in my KiDiGi charging dock with room to spare.  The stock battery charged in about 3 Hours from flat, the extended in 5 Hours from flat, which to me seems reasonable.

All in all I can say I’m quite impressed with the Official Samsung Galaxy S3 Extended Battery, it doesn’t add much weight, but does add enough extra juice to get you through the day.  Cases could be an issue, but I’m sure there are plenty out there that could accommodate the extra size.

About the Author

Peter Costello
Lover of high end Android phones, good coffee, and home brewed beer. I've always had a fascination with technology, and I'm looking forward to seeing where it takes us.

  • zack

    Where can I get one of these?

    • http://about.me/peter.costello Peter Costello

      Try the mobilefun website

  • Kesler

    How much does it cost?

    • http://about.me/peter.costello Peter Costello

      £39.99 in the UK

  • Jonathan

    The standard battery here in the Philippines is 2700mah.. i dont know why everybody has 2100mah?.. my question is.. does it fit with the official samsung flip cover?.. the increase in mm is almost the same.. pls answer.

    • http://about.me/peter.costello Peter Costello

      I honestly don’t know the answer to either of those questions, personally I can’t stand the flip covers so I don’t own one to test with. Hopefully someone who does know will answer though. Good luck.

  • Troy

    I have one of these and do appreciate the luxury of not having to worry about the battery dying during the day. However, I believe the extra bulk interferes with the internal GPS as it is searching for satellites way more often than it is locked on. I bought an external Bluetooth GPS as a potential solution but no app that I know of knows how to us the external GPS, so that is not a solution….

    • http://about.me/peter.costello Peter Costello

      Honestly I haven’t had any issues with getting a GPS lock, though I can’t be certain it has nothing to do with the custom ROM I’m running. Try using GPS Status (https://play.google.com/store/apps/details?id=com.eclipsim.gpsstatus2) to update your phones A-GPS data, should help you get a faster lock.

  • ADREAM

    Lasts and lasts! Love it! Takes a while to charge also the way back up after drain but didn’t die near as often:-) a bit bulky but easy to compromise sleek for longevity

    • http://about.me/peter.costello Peter Costello

      Very true, only a few extra millimetres and 20g and your S3 lasts all day! I love this battery, though I do still carry an external battery too!

  • Basil

    Purchased mine a couple months ago and love it. Battery life used to be my biggest complaint with this phone, but now I never worry about being able to go a long day and not being near a charger. Definitely worth the money, extra width, and heft.

  • http://vilas.com.tr/su-bataryalari/camasir-muslugu/?lang=en musluk

    Usually I do not learn post on blogs, however I would like to say that this write-up very pressured me to check out and do so! Your writing style has been surprised me. Thanks, quite nice post.

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