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Kosnic LED MR16 4.5 Watt Warm White (20 Watt Alternative)

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Quick Find: 28014

Product Discontinued
This item was discontinued on 2nd September, 2022

Recommended alternative:
Aurora 5W Non-Dimmable LED MR16 Warm White (50 Watt Alternative)

Check out our full range:
Aurora Lighting

Beam Angle
36 Degrees


Cap/Base Type
2 Pin

Colour Temp
2700 K

50 mm


Equivalent Wattage
20 W

54 mm

Light Bulb Type

Light Colour
Warm White (830)

200 lm


Reflector/Spotlight Type


Light Bulb

12 Volt

4.5 W

Kosnic LED MR16 4.5 Watt Warm White (20 Watt Alternative) from Kosnic

Model: KPRO4.5PWR/G5.3-S30

This LED MR16 is our lowest cost, high power MR16 LED bulb ever offering extremely high levels of brightness. Consisting of 3 High Powered LEDs which are protected by a frosted (diffused) cover this lamp uses only 4.5 Watts of electricity producing the same light output as a 20W halogen MR16.

With its 36 degree beam angle this bulb is a Direct Retrofit for a halogen MR16 and will plug straight into your existing fitting.

No LED driver/transformer required.

*These LED lamps can be used with halogen transformers with a minimum load of 20W or less. Multiple lamps may be required to work with a halogen transformer with a minimum load of 35W or higher. Please note LED MR16 lamps require drivers of the appropriate voltage to operate, and have limited compatibility with existing halogen transformers.

Technical Specifications

Light Bulb Type Reflectors/Spotlights
Technology LED
Wattage 4.5 W
Manufacturer Kosnic
Light Colour Warm White (830)
Dimming? Non-Dimmable
Equivalent Wattage 20 W
Beam Angle 36 Degrees
Lumens 200 lm
Colour Temp 2700 K
Diameter 50 mm
Length 54 mm
Cap/Base Type 2 Pin
Type Light Bulb
Manufacturers Average Lamp Life 35000 hrs
Voltage 12 Volt
Warranty 2 Years
CRI Rating < 80
Energy Efficiency Rating A
Reflector/Spotlight Type MR16
Cap/Base GX5.3/GU5.3
Manufacturers Part Number KTC4.5PWR/G5.3-S30

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Alternative Stock Identifier Part Codes



For Kosnic LED MR16 4.5 Watt Warm White (20 Watt Alternative)


Product Data Sheet
LED MR16 4.5 Watt Warm White (220 Lumens - 42W Alternative)

Frequently Asked Questions

We make every effort in answering your questions.

What Are Lumens?

Fri Apr 2015

Lumens (Lm) are a new unit of comparison for types of light bulbs and other lighting products. The Lumen is going to be used in the lighting industry to describe lighting products with increasing frequency as the Watt slips out of use. Manufacturers ...

How Much Power Do LEDs Use?

Fri Apr 2015

The benefit of using LEDs to light your home, office or business is that LEDs will be able to provide you with a great level of efficiency. Compared to traditional Incandescent and halogen light bulbs, LED lighting is several times more efficient. A ...

What's the difference between a GU10 and MR16?

Fri Jul 2015

There are a few differences between them, firstly they have different cap/base types. The GU10 has a twist and lock mechanism while MR16s push straight in. Another difference is the voltage that they run on. GU10s run on 240v which is exactly the ...

Can LEDs Save Me Money?

Fri Apr 2015

LED Light Bulbs will be able to offer you some truly amazing energy savings. An LED Light Bulb will be able to offer you a much greater level of efficiency than Halogen or Incandescent bulbs and also beats fluorescent lighting in this aspect. As such ...

Can I swap my Halogen MR16 light bulbs for LED versions?

Thu Jul 2015

Simple answer, yes. However it will take a bit of research. MR16s run on low voltage which means they require a transformer. Most transformers installed to work with halogens have a minimum wattage of 25 watts. The LED&nbsp;equivalents are general ...

What Lumens do I need to replace a Halogen MR16?

Thu Jul 2015

Lumens&nbsp;is a universal scale for brightness of the light bulbs. The higher the Lumen number the brighter the light. In the past wattage has been the way of measuring light output for incandecent and halogen bulbs, so as long as you replaced yo ...