Twin Power YTX-20H Shocker Battery Replaces H-D 65991-82B 310 CCA

You're getting a Twin Power YTX-20H Shocker Battery, which is a 12-volt battery with 20Ah capacity and 310 cold-cranking amps. This battery is designed to replace the Harley-Davidson 65991-82B part number and comes factory activated and sealed, meaning it's ready to install right out of the box. It features flush mount threaded posts with dual connection points, so you won't need any extra terminal adapters or spacers.

This battery is built for endurance and reliable performance, even with heavy vibration. It uses Absorbed Glass Mat (AGM) technology and has extra thick plates to handle the demands of motorcycles. The heavy-duty case is styled like the original equipment manufacturer (OEM) case, ensuring a solid fit for a range of Harley-Davidson models from the 1970s through the 1990s, including popular bikes like the Sportster and Softail lines.