9 watt rechargeable led bulb 1 year warranty A 9-watt LED rechargeable bulb, often called an inverter bulb, functions as a standard light when power is on and automatically switches to battery backup during outages. These bulbs typically offer 3–4 hours of emergency illumination and take 8–10 hours to recharge fully. Performance Specifications Brightness: Most 9W models produce approximately 900 lumens in standard AC mode, which often drops to 300–500 lumens in emergency DC mode to conserve battery. Battery Life: Expect 3 to 4 hours of continuous emergency lighting on a full charge. Charging Time: A full charge generally requires 8 to 10 hours of being plugged into a powered socket. Durability Features: High-quality bulbs often include surge protection (up to 4kV) to protect against voltage spikes. Like this:Like Loading...
