Hi, I am planning to use a power supply instead of the batteries in my solar landscape lights because of a shade problem and the uniqueness of the lights. With the two re-chargeable batteries installed I am measuring 3vdc @ 500 micro amps. I am wondering if this measurement is correct. My experience is that most leds require 10 milliamps. Did they find a way to operate them so efficiently? There are two low intensity leds in each lamp and one flickers. I figure at 500 microamps, apiece, hooking 11 of these lamps in parallel I would need a power supply capable of an output of 3 volts at 55 microamps? Since the ultra low current I figure a plug in xfmr like a phone charger would work and I would have to use a resistor to limit the current since most of these are in the 100 ma and up range? What about a battery impedance problem, by leaving the batteries out and hooking the power suppy directly to the battery terminals? Will this be a problem? Many thanks in advance. Dale
- posted
18 years ago