 "GoPro Dual Battery Charger + (for HERO4 Black/HERO4 Silver) (GoPro Official Accessory)"@en-US "Camcorders - Page 2 | Come As You Arts"@en-US
"Compact Dual Battery Charger for HERO 4 batteries. Charge using any powered USB source (AC Adapter, Car Adapter, Laptop, etc.)."@en-US 
 "GoPro Rechargeable Battery for HERO3 and HERO3+ (GoPro Official Accessory)" "Camera & Photo Accessories - Page 131 | All Tech Toys"
"This 1180mAh lithium-ion Rechargeable Battery can be used a spare or replacement for GoPro cameras." 