Galaxy S3 Battery fits and works with Galaxy S4
If you have spare S3 batteries, line up the battery to the far left...
same height and will securely lock in if you line up the prongs to the battery
you'll have space on the right of the battery, but notice how it lines up on the left!
when removing the battery, do as always, don't pull up where there is space to the right of the battery...
pull from bottom of battery where the notch is.
each S3 battery will give your S4 an additional 2100 mAh of juice as a spare!
Not bad when you think about it... 4,700 mAh of juice in total when combined with the stock one 2,600 mAh S4 battery.
keeps the slim look without having to go to the horribly ugly extended batteries and their over sized battery covers.
spread the love boys and girls
hit the thanks if I've helped!