12V LED Light Bulb 7W 630Lm AC/DC10-30Volt Low Voltage E26 Base (2700K Warm White) 40-60 Watt A19 Bulbs Equivalent,Landscape Garden Yard, 12volt Battery Power System Off Grid Solar Lighting,6 Pack

Upon receipt,each of the 6 LED bulbs in this 6-pack lit to almost the same level of brightness and intensity on both a 12VDC power supply (automotive 12.6 Volt battery), and a standard 88 Watt Malibu outdoor low voltage light transformer pack. I’m using four of these lamps in parallel, on 4 backyard pagoda light fixtures that previously ran 60 Watt, 120 VAC line voltage. All 4 fixtures have been disconnected from main Home supply line and rewired to run on a 12 VAC, direct burial cable, now powered by a surplus 12 VAC Malibu outdoor low voltage lighting transformer. Each new LED draws 7 Watts, so 4 lamps together required 28 Watts, which is less than 50% of the load capacity of the Malibu 88 Watt transformer.Slight flickering was noticed at last lamp in the wiring run (50 feet from power source), so a 100-Watt-rated, full-wave bridge diode module and a 5 Amp/ 12 Volt resettable circuit breaker were added at the transformer output, ahead of the first LED. Lamps now no longer flicker and the overall intensity has improved slightly and uniformly with the conversion to DC (the measured Voltage was 12.8 AC before installing bridge; now reads 12.3 VDC at lamp #1, and 12.1 VDC at lamp #4.All is good, plus two spare LED lamps as spares REMAIN STORED in the 6-pack carton. On Time in the outdoors, within the sealed lamp fixtures will be the real test to come. Service cycle is projected at 10 hours per night x 365 days x 5 years = 5,500hrs... Hoping these lamps last for 11,000 hrs // 10 years??? Many AC LED’s are rated at 20,000 hrs! Weatherbug.Update: At 12 months 3 of 4 originally-installed lamps working on DC Malibu power pack continue with same color and intensity. 1 of the 4 (located mid-run) dropped to about 20% lbrightness, and was replaced. Bench top opening up the failed bulb housing and exposing the concealed interior LED array (it pulled apart readily) indicated burnt smell, and further disassembly indicated a failed circuit board component. 25% failure rate at 12 months service 365 days x 10 hours outside covered use per day…1 of 4 installed bulbs failed at less than 4,000 hours daily cyclic use.Final thoughts: Pricier to purchase than RV 60 Watt incandescent 12 Volt RV bulbs. Expected similar lifetime compared to incandescent bulbs. Have Previously utilized 4 @ 12 Volt RV 50 W incandescent bulbs on DC battery power for 7 year cycle with no failure, but a major light output shift (30% drop in brightness).If easily serviced, the main advantage is energy savings in terms of lower wattage requirement (Significantly less current draw from your batteries); However, product life of 20,000 hours use per led lamp is not the case with material purchased with 25% failure rate at <4,000 hrs Weatherbug.

They are nice and bright I have these installed on my garage and the light up around beautifully

Use 4 of these in 10X20 outdoor shed with good results. Used regular keyless lamp holders on trusses and covers well. Used these both on 12vdc and 24vdc and could not see any difference in brilliance. Wouldn't know they weren't on 110ac unless you followed the wiring.

They don't last forever and the ballasts give out before the led's. Generally they are the best bulb of their type. I wish they were a little more robust~the lens/globe often separates from the base. They are able to handle a range of DC voltage and light to full vbrightness in my experience from 11-to 14+ volts. The color temperature of the warm white is comfortble for reading and general use. I have used them for several years and will continue to repurchase until something better comes along. They do cost $$ money.

I took the 100 Ah Lithium battery out of my camper for the winter and decided to make a makeshift emergency power out light system. I had the junction boxes and ceramic light fixtures. These bulbs are bright. I ran four of them for 12 hours and only used 0.1 Volt on the battery, which recharged in a few hours with a solar panel. At 6000K they are a white to slightly blue color temperature. If you want mood lighting go with 3000K. Most of the few 1 star reviews were people who put them into a 120 Volt socket and blew them out. Yup. That's what will happen.

This is the perfect solution for my situation. I have adapted several light fixtures from 120 volt to low voltage.These lamps are just what I needed.

They fit they work, they save power.

I got these a couple years ago for outdoor gate lights, needed 4 and bought this 6 pack. Bulbs are solid, don't feel dainty. They come in a nice box. I wired these up with 12 V DC, and the light is a nice warm white, but is plenty bright for lighting up the walkway to the gate. Two bulbs just died; I'd forgotten about them, found the box, and had the two spares.