Delton Battery Charger with 2100 mAh Replacement Battery for Samsung Galaxy S3 - 2 Pack - Non-Retail Packaging - Silver Included in the package is 2 free Delton Branded battery charger for the Galaxy S3 Battery Kit of 2 Samsung Galaxy S3 Batteries with 2 Delton Branded Battery Chargers. 2100mAh is enough power to get you through the day The S3 battery is equipped with an NFC antenna, allowing your handset to communicate with other devices and accessories equipped with NFC technology