ReFuel 2-Pack Battery for GoPro Hero4 most cell phones & smart

most cell phones & smart phones including Android cell phones and smart phones

High quality food-grade liquid silicone skirt and strap

and only need to replace the stock lens unit

How does it Work:

Almost any popular lens type can be attached with optional adapters including Canon

ReFuel 2-Pack Battery for GoPro Hero4 most cell phones & smartReFuel's dual battery pack for the GoPro Hero4 Black and Silver Editions. Amazing run time on these replacement batteries for less money. You get two 90 minute rechargeable batteries that replaces the AHDBT 401 battery that comes standard. These batteries are 100% compatible with the GoPro Hero4 action cameras. Premium lithium ion cell battery.