Use only Samsung-approved USB cables and 2 Amp power adapters.
To lessen battery drain, you can connect the charger to the charging port on the bottom of the Gear VR.
If the Gear VR is used while the charger is connected
If the Gear VR is disconnected from the charger while in use
If the Gear VR is not used while the charger is connected
Charging accessories may be purchased from any Verizon Wireless retail store or at the online store.