Apr 10, 2013 #1 P praveenlb Full Member level 3 Joined Sep 19, 2010 Messages 181 Helped 35 Reputation 70 Reaction score 32 Trophy points 1,318 Location Bangalore Visit site Activity points 2,123 Hi all, Can any one provide me LED LAMP with 4 hour back up..looking for good working circuit..:idea:
Hi all, Can any one provide me LED LAMP with 4 hour back up..looking for good working circuit..:idea:
Apr 10, 2013 #2 ArNvC Full Member level 4 Joined Feb 25, 2013 Messages 201 Helped 55 Reputation 112 Reaction score 52 Trophy points 1,308 Location India Visit site Activity points 2,324 Hi praveenlb, Here have a look https://www.circuitstoday.com/automatic-led-emergency-light