Emergency LED Light Bulbs Smart Intelligent Loadshedding Solution 20W B22(Standard Bayonet Clip Cap). Brand New Products. With 2-4 hours of uninterrupted backup power, our LED smart emergency light bulb will come in handy outdoors, while camping, or during prolonged power outages. Battery-powered LED light bulbs never keep you in the dark and kick in automatically should untimely blackouts occur. Unlike other emergency lights that only offer an hour or so of relief, the battery pack on our smart LED bulb can provide up to 2-4 hours of backup power. Ideal for emergency use.
