Westcott FJ80 II Backup Battery (Black) — USB-C Recharging, 11.1V 1500mAh / 16.65Wh for FJ80 II Speedlights — Over 500 Full-Power Flashes

Purpose-built for FJ80 II Speedlights, this compact backup battery provides reliable auxiliary power when you need extended shooting time. It includes a built-in USB-C port for convenient recharging without extra adapters. Performance-wise, a single charge yields over 500 full-power flashes, making it well suited to long sessions and demanding shoots. The battery specifications are 11.1V with a capacity of 16.65Wh (1500mAh). Lightweight and efficiency-focused, this unit is a practical, portable addition to any photographer’s kit.