Feature 1 The Battery Case Can Store Up to 6 AA Batteries: It holds the batteries neatly in place in the bracket slot and prevents the contact ends from touching each other. (Batteries are not included.) 2 Application: Can be used for Neewer, for F&V, and other brands of small LED fill light. Suitable for NP F550, NP F750, etc. 3 Usage Scenario: This battery case can fit 6 AA batteries, then equivalent to NP F970 batteries, suitable for LED video light panels, displays. 4 Outdoor Photography Accessories: It is an indispensable outdoor photography accessories, can be widely used for LED video lights below 15W. 5 Excellent Material: The battery case is made of hard ABS plastic, small and light, easy to carry, convenient for you to take out and use.Item Type: AA Battery Case HolderWeight: 63g/2.2ozProduct Material: Plastic Package List1 x Battery Case NoteIf the red LED indicator lights up, it indicates that it has been installed incorrectly or that the AA battery has run out of power.