Power source: accepts 6 × AA batteries (batteries not included). Easy to cells in the field for extended runtime. NPF compatibility: delivers power equivalent to NPF550/NPF750, allowing use with LED fixtures that require NPF series output. Wide compatibility: fits many small LED fill lights from multiple brands, including F&V and PiXel models that use NPF style power. Portable field solution: converts common AA batteries into a reliable power pack so you can keep shooting without carrying spare proprietary batteries. Simple, dependable operation: straightforward battery installation and output for consistent performance during outdoor and remote shoots. Why you need this Eliminates dependence on a single battery type: use widely available AA cells anywhere you shoot. Keeps small LED fill lights powered during long outdoor sessions, location shoots, and events. Quick swapover in the field reduces downtime so you don't miss critical shots. Practical use scenarios Outdoor portrait sessions: power your small LED fill light on location when NPF batteries are depleted or unavailable. Travel and runandgun vlogging: carry AA batteries instead of bulky NPF spares for lighter travel packing. Remote event and product shoots: maintain steady light output at venues without easy access to charging or power outlets. Important details Requires 6 × AA batteries (not included). Compatible with F&V, PiXel, and other small LED fill lights that accept NPF550/NPF750equivalent power. Ideal as an essential outdoor photography accessory for onlocation lighting needs.