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Is this what you bought?

1
2 x 2900mAh Battery Charger for Samsung Galaxy s IV S4 I9500 M919 I337 I545 | eBay
No, it was this one
1
2X 2600mAh B600BC Battery USB Charger for Samsung Galaxy SIV S4 s 4 I9500 | eBay.

The batteries appear to be indistinguishable either in appearance or performance from the standard ones. For all I know, in a couple of weeks these batteries may eat all my food, drink my wine and run off with my wife, but they have proved to be a bargain so far. Caveat emptor as always.
 
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that's the one I got. the only thing I don't like so far is that the NFC doesn't work with the spare battery. even though it said "near field communication" on it, just like the original.
Exactly like the ones I linked to above. They look almost identical to the original battery. In fact the eBay ones look slightly more genuine as they have water damage indicators, unlike the original.

Unfortunately they do not appear to have NFC antennas. Otherwise they seem to work fine.
 
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Go to eBay and type in Ezopower battery for Samsung Galaxy S4 and you'll come up with a number of options for this battery model. Make sure the battery label says "with NFC." I ordered two of these and the NFC works perfectly with my S4. My batteries have a very slight bulge in the middle, but it is hardly noticeable and does not interfere with the back cover in any way.
 
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lotus49;[URL="tel:5987899" said:
5987899[/URL]]No, it was this one
1
2X 2600mAh B600BC Battery USB Charger for Samsung Galaxy SIV S4 s 4 I9500 | eBay.

The batteries appear to be indistinguishable either in appearance or performance from the standard ones. For all I know, in a couple of weeks these batteries may eat all my food, drink my wine and run off with my wife, but they have proved to be a bargain so far. Caveat emptor as always.

Nice for the price, but does the NFC work?

Ryno79;[URL="tel:6008914" said:
6008914[/URL]]that's the one I got. the only thing I don't like so far is that the NFC doesn't work with the spare battery. even though it said "near field communication" on it, just like the original.

lotus49;[URL="tel:6009175" said:
6009175[/URL]]Exactly like the ones I linked to above. They look almost identical to the original battery. In fact the eBay ones look slightly more genuine as they have water damage indicators, unlike the original.

Unfortunately they do not appear to have NFC antennas. Otherwise they seem to work fine.

I tried mine out and the NFC works fine. I was able to transfer files, pictures and apps to my wifes S4 by tapping the back of our phones together.
 
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