GRV Ba15d 1142 1076 LED Bulb 4W 56-2835SMD Super Bright AC/DC 12V-24V for RV Boat Camper Motorhome Interior Dome Lights Warm White Pack of 2

If you’re looking for bulbs for your RV, I suggest you get these. I’ve never written a review before, but these are worth it. Got these to replace the incandescent bulbs in the reading lamps over the bed in our RV, and they’re great. Almost exactly the same brightness as the 1176 incandescent bulbs (according to side-by-side eyeball comparison), and very good color. Slightly whiter than the incandescent, but still “warm.” (A cheaper model of “warm” LED’s I purchased on Amazon recently turned the room piss yellow). They obviously use a lot less electricity which is great when you’re on battery, and they kick out less heat so the AC doesn’t have to run when on shore power. Be advised: if a bulb doesn’t work out of the package, try rotating it 180 degrees and reinstalling it before assuming it’s bad—like all LED’s, these have polarity, but the sockets don’t.

Excellent! Changing these first to replace overhead dome lights in my suburban, the color was so accurate, it matched the remaining incandecent bulbs in the doors, and under seats. EXTREMELY BRIGHT! Have caught several people by surprise who have driven with me somewhere at night, "Hey can you turn on the overhead, I dropped my _______." (flick) "Holy mother of ________!" These 2 lights in the overhead cast enough light around there isn't a single square inch that is not lit up. Could not be more pleased. Have had them for 2 years and still going strong. I have the 'door ajar' trigger disabled so definitely not as many hours on them as if otherwise, but I have had several sessions of these on several hours at a time (working on interior after dark) with no ill effects. They do get hot, but not hot enough to damage any of my plastics these are sitting in. I'm buying another set just to keep on the shelf incase they get discontinued for some reason. They are that good.

I bought a 10pak of these to convert the cabin lighting in my boat. They are cost effective compared to alternatives, and work great. Nice warm glow, not a harsh white or bluish like some other bulbs I bought. Unfortunately the boat has several different types of lights and sockets, and these won't fit them all. So I'm ordering BA15d sockets to convert the other lights so they'll all use the same bulb, and I'll order another 10pak of these. In some instances, I just removed the old mismatched socket and soldered the 12vdc wires straight to the bulbs themselves. With their long life, I won't have to worry about changing them out for years anyway.

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These appear to be well made LED bulbs using the 5050 warm white LED modules. These bulbs are polarity sensitive so if they don't light at first, remove the bulb from the socket, turn 180 degrees and reinstall. The color rendition is a bright white and doesn't have that bluish tint that is sometimes seen with LED bulbs. These bulbs are designed for 12V DC operation only. The current limiting is performed by fixed 100 ohm surface mount resistors meaning that the current will increase (and brightness) with increasing voltage. At 12 VDC, the current draw is about 230 mA for a power consumption of 2.8 watts. At 14 VDC, the current is 360 mA for a power consumption of 5 watts. At 16 VDC, the current is 582 mA for a power consumption of 9 watts (along with an ever so slight aroma that goes along with toasty hot electronics so the prudent experimenter immediately turns down the voltage). Keep this bulb at 14 VDC or lower or you may let out the magic smoke. Once the magic smoke escapes your electronics, you can't stuff it back in and it won't work anymore. I would have given these five stars if they had included the circuits to regulate current like the Brightech LED bulbs that draw constant power (and brightness) from 10 VDC to 30 VDC. On the other hand, these bulbs are dead simple so the only likely failure will be the LEDs themselves. We'll see how they do in the overhead fixture above the dinette in my RV.

I our. A 1971 Comet GT that the tail looks got were very dim. I installed these LEDS and now people can actual see my tail light at night, I also used the LED back up lights also, so I can see to back up the car at night.

They are too loose in the standard socket. If I jiggle it bulb will light but they do not engage and stay lit

First thing to notice is that there is no glass or polycarbonate cover over the LED chips. That seemed odd. Please note these are 12 volt, not 120 volt.