Here's the professional rewrite:

Keep your Sony Alpha camera powered and ready with the genuine Sony BC-Q21 battery charger. Designed and manufactured by Sony specifically for the NP-FZ100 battery pack, this charger delivers a safe, reliable, and efficient charge every time — so you're always ready to shoot.

In very good pre-owned condition — fully functional and performing like new.

Compatible With:

• Sony Alpha A7 III (A7M3)
• Sony Alpha A7R III (A7RM3)
• Sony Alpha A9
• All cameras using Sony NP-FZ100 battery pack

Key Features:

• Genuine Sony charger for safe, reliable charging
• Compact and lightweight design — ideal for travel
• Compatible with Sony NP-FZ100 high-capacity battery pack
• Direct plug-in design — no cables required for charging

What's Included:

• 1x Sony BC-Q21 Genuine Battery Charger
• 1x Power cable

Genuine Sony charger — not a third-party replacement. Compatible with Sony NP-FZ100 battery pack only (battery sold separately). Always use genuine Sony chargers for optimal battery performance and longevity.