The Anker 2 x Li-ion Batteries for Samsung Galaxy Note 3 with Anker Travel Charger comes in a 2 pack along with a battery charger for convenient usage and extra long battery life. Each batter is 3200mAh and 3.8V. They come as zero cycle batteries that use premium Grade A cells and can last for more than 500 charge cycles and ensure a longer life. It features built-in overload and over-voltage protection, and is even certified by CE, FCC and RoHS. It also comes with an 18-month warranty.