Features: High efficiency V mount plate adapter for F550/F970 batteries stable power conversion, ensuring uninterrupted photography with minimal heat generation. Wide voltages power supply, high conversion efficiency up to 96%, small heat, powerful, you can shoot at any time without power. With input and output reverse, high-voltages , overloaded protections circuitry, you can safely and securedly use fake batteries, safe equipment. Compatible replacement -F550/F750/F970 batteries, with the same effect as battery use. Suitable for monitors, wireless mapping, LED fill light, etc. that use NPF550/F970 series batteries. Specifications: Input voltages: 12V-16.8V Output voltages: 8.4V Output current: 4Ahm Decoding method: not-decoding (camera cannot be used) Product material: metal + plastic Size: about 100x80x37mm/3.94x3.15x1.46in (carton) Product weight: 178g Fake battery height: 20mm Applicable battery: V-lip type battery Package Includes: 1PC V-Lock Battery Plate Adapter note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.