Quick overview from the supplier:
GoPro Dual Battery Charger + 2x Enduro Battery (HERO9, HERO10, HERO11, HERO12 Black) - Conveniently charges 2xEnduro batteries simultaneously. Includes a spare 2x 1720mAh lithium-ion rechargeable Enduro battery for HERO9 Black, HERO10 Black, HERO11 Black, HERO12 Black
