Multi-Purpose DC7909 to DC8020 Convert for Solar Panel RV Portable Power Station Features: DC7909 to DC8020 Adapter for Solar Panel RV Portable Power Station; Female input: 7.9x0.9mm, this end is plugged into power adapter; Male output: 8.0x2.0mm; Made of high-quality materials, durable with high corrosion resistance and good performance; for Solar Panel RV Portable Power Station; Specifications: Material:Plastic Length:Approx.5.45cm/2.15in Color:Black Package Includes: 1xDC7.9x0.9mm to DC8.0x2.0mm Adapter note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.
eBay