BA15S Single Contact Bayonet Base
Discover our collection of high-performance 12V Single Contact Bayonet LED bulbs, utilizing the widely used BA15S base. Easily identified by a single contact point on the bottom and parallel locking pins on the sides, this base is the industry-standard upgrade for traditional incandescent bulbs like the 1156, 1141, and 1003.
These versatile bulbs are a staple in 12V landscape lighting—often found in path lights and deck fixtures—as well as RV interiors, boats, trailers, and automotive applications. Switch to LED to enjoy instant energy savings, cooler operation, and a significantly longer lifespan compared to halogen or incandescent alternatives.
