 "Panasonic VW-VBT190 Lithium-Ion Battery Pack (Black)"@en-US "Accessories - Page 989 | EISF"@en-US
"This is an authorized aftermarket product. Fits with various Panasonic brand models. It has a oem part # VW-VBT190."@en-US 
 "GoPro Rechargeable Battery For HERO4"@en HERO4 - AHDBT-401"@en