Lunasea G4 Back Pin 0.9" LED Light - Warm White

The Lunasea G4 Back Pin 0.9" LED Light in warm white is a compact high-power LED replacement bulb engineered for applications requiring reliable illumination without thermal output. This G4 bulb delivers focused light for close-range reading, instrument panel visibility, and precision work in confined spaces where traditional halogen bulbs generate excessive heat and fire risk.

The standout feature is Lunasea's integrated buck regulator, which maintains stable output across varying input voltages while producing minimal thermal energy—a critical advantage in equipment-dense environments where heat dissipation is problematic. The G4 bulb operates up to 50,000 hours, significantly extending service intervals compared to halogen counterparts. The warm white color temperature (2700K–3000K) minimizes eye strain during extended night operations and preserves natural color rendition on instruments and displays. At 0.9 inches (23mm) in diameter with a back-pin base configuration, this bulb fits standard G4 fixtures found in cabin lighting, marine instrument panels, tactical vehicle interiors, and portable equipment enclosures.

This bulb addresses a specific pain point for operators and personnel working in close quarters: halogen G4 bulbs run hot enough to damage nearby electronics, create fire hazards in ammunition storage or fuel-adjacent areas, and require frequent replacement. LED conversion eliminates these liability concerns while improving reliability in field conditions. The compact form factor makes retrofitting straightforward—no additional wiring, drivers, or heat sinks required. Weighing just 0.03 pounds, the Lunasea G4 adds negligible weight to portable systems or vehicle load calculations.

LED replacement bulbs have become standard-issue across military and law enforcement fleets due to durability, energy efficiency, and thermal safety. Lunasea's reputation in the marine and tactical lighting sector is built on attention to voltage regulation and longevity—critical factors when replacement service is difficult or dangerous.