Dc7909 8Mm To Dc 5.5Mm Connectors Adapter For Jackery Ravpower Goal Zero, 2 Set Product Features Great adapters for transferring between devices with 8mm and 5.5mm ports such as solar cables, RVs, cars, battery charging devices, etc. One end: 8mm female, the other end: 5.5mm x 2.5mm male. One end: 8mm male, the other end: 5.5mm x 2.1mm female. Exactly what you needed to switch between a different size cable ,use for another solar generator set up. Package including: DC 8mm Female to DC 2.5mm x 5.5mm Male Adapter x 1.. DC 8mm Male to DC 2.1mm x 5.5mm Female Adapter x 1 Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!