If you are looking for extra Note 4 batteries to support your extended Gear VR playing time, I got these 2 plus a wall charger about 3 weeks ago for $25. They work very well.
Amazon.com: [NFC/Google Wallet Capable] Anker 2 x 3220mAh Li-ion Batteries for Samsung Galaxy Note 4, N910, N910U 4G LTE, N910V(Verizon), N910T(T-Mobile), N910A(AT&T), N910P(Sprint) with Anker Travel Charger, and 18-Month Warranty: Cell Phones & Acce
Amazon.com: [NFC/Google Wallet Capable] Anker 2 x 3220mAh Li-ion Batteries for Samsung Galaxy Note 4, N910, N910U 4G LTE, N910V(Verizon), N910T(T-Mobile), N910A(AT&T), N910P(Sprint) with Anker Travel Charger, and 18-Month Warranty: Cell Phones & Acce