Godox PB-NX PB960 PB820 Lithium Battery Pack Power Cable for Nikon SB28 Euro SB28DX SB80DX SB800 SB900 Flash Speedlite + CEARI Microfiber Clean Cloth Godox PB-NX External Battery Pack Power Connect Cable for Nikon Flash Speedlite Extendable Features, 50cm (Not Extended), Maximum Extend Length: up to 1.8 meters Flash Battery: Switch on Compatible with: Godox PB820 / PB820s / PB960 External Battery Pack Compatible with: Nikon SB28 EURO SB28DX SB80DX SB800 SB900 Flash Speedlite