This is a single replacement fast blow 20 amp battery fuse for 36 volt 350 watt Sondors models....The last images shows for reference the bottle style battery this is designed to be used in and also the fuse holder cap for locationPlease view all images for cosmetic condition and feel free to ask questions...Free shipping! If you are a potential buyer and have a question about this item, please ask before you bid or make a purchase. I will do my best to answer as promptly as I can. Listings with FREE SHIPPING applies to lower 48 states only. No delivery to PO Boxes, Alaska, Hawaii, Puerto Rico, and other US territories must email me for a shipping quote.**PLEASE NOTE... The address you wish to have your item shipped to MUST be the same address you have on file with Paypal when you make your payment. If you have recently moved or wish to have the item shipped to a different address than your home, you must change or add that address to your Paypal account and use that address as the ship to address when making your Paypal payment**