Samsung EB-L1G6LL/EB-L1G6LLA/EB-L1G6LLU Battery for Galaxy S3 - Original OEM - Non-Retail Packaging - Black 2100mAh Lithium Ion battery Provide reliable and long lasting power The battery is NFC-enabled Equipped with an NFC antenna, allowing your handset to communicate with other devices and accessories equipped with NFC technology