Running LED's From a Battery
Most recent answer: 04/10/2015
Q:
I have a 12v 15 AH Deep Cycle Sealed Lead Acid Battery which I plan to connect to a small wind turbine, can this battery power 40 LED lamps (12V 1W)
- Frank (age 52)
Libertyville, IL
- Frank (age 52)
Libertyville, IL
A:
Hello Frank,
If your LED's are rated at 1 Watt for a 12 Volt supply then each one will draw I = W/V = 1/12 Amp. You have 40 of them wired in parallel so the total current is 40/12 Amps. You have a 15 AmpHour battery so the total amount of time they will stay lit is 15/(40/12) = 4.5 hours.
LeeH
(published on 04/10/2015)