 " Battery Pack "@en, VW-VBT190 "@en "Panasonic - Pack"@en
"
Features

3.6V, 1940mAh(min.), 7.0Wh
Uses Battery Charger VW-BC10

"@en 
 "GoPro Rechargeable Battery f/ HERO4 Cameras - AHDBT-401"@en AHDBT-401 Filmtools"@en
"
GoPro 1160mAh lithium-ion Rechargeable Battery
For GoPro HERO4 Cameras
Use as a spare or replacement battery for your HERO4 camera
"@en 