will this work with 18v flashlight

This works on flashlights with 2 to 6 cells or 3 to 9 volts. 18 volts is twice its rating.

Does this replacement lamp works with Maglite (old ones with normal bulb) that has 2*D cell. Kindly confirm at the earliest in order to proceed

I used one to update my older 2 D cell Maglight and it was easy to install and worked great.

Does the brightness change with the number of cells driving this bulb, or will it put out 55 lumens at any voltage?

The incoming voltage is converted to a regulated voltage for the LED driver thus the output (55 lumens or so) will remain constant regardless of the incoming voltage (number of cells).

does anyone know how this compares in efficiency (lumens per watt) to the 74-lumen version?

We rate our C/D cell LED bulbs based on ANSI/PLATO FL1 standards for lumen output and run-times. However, The LRB2-PR is 55 lumens, approximately 1/2W @ 4.5v. Run-time is 81 hours.LRB2-PRHP is 74 lumens, approximately 1W @4.5v. Run-time is 45 hours.

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Nite Ize LRB2-07-PR LED Upgrade C/D Flashlights, 55 Lumen Bulb, Nylon/A

Product ID: 54212528

Details

Brand
Nite Ize
Light colour
White
Light type
LED
Special feature
High
Unit count
1.0 count

💡55 Lumens bright output

🔋Extends battery life significantly

♻️Eco-friendly reduces waste

€ 53.93

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Description

💡 Illuminate smarter, not harder — upgrade your old torch today!

UNIVERSAL FIT - Compatible with most 2-6 cell C&D flashlights for versatile use
ECO SMART CHOICE - Cut down on battery and bulb waste with high efficiency tech
EFFORTLESS UPGRADE - Simply swap your old bulb for instant brightness boost
TRUSTED PERFORMANCE - 4.4-star rating from over 1,200 users proves reliability
LONG LASTING BRILLIANCE - 100,000-hour LED lifespan means fewer replacements

The Nite Ize LRB2-07-PR LED Upgrade Bulb transforms your classic C/D cell flashlight with a bright 55-lumen white LED, delivering long-lasting light with a 100,000-hour lifespan. Easy to install and eco-friendly, it extends battery life while reducing waste, making it the perfect modern upgrade for vintage flashlights.

Specifications

ASIN	B00HF8IR8W
Average Life Span	100000 Hours
Brand Name	Nite Ize
Colour	Nylon/a
Control Method	Push Button
Customer Reviews	4.4 4.4 out of 5 stars (1,255)
EU Energy Efficiency Label	High Efficiency
Global Trade Identification Number	00094664030077
Included Components	LED Upgrade
Indoor Outdoor Usage	Indoor
Item Shape	Circular
Item Type Name	Nite Ize LED Upgrade Bulb for C/D Flashlights, 55 Lumen Bulb
Item Weight	0.01 Kilograms
Light Color	White
Light Output Maximum	55 Lumens
Light Type	LED
Manufacturer	Nite Ize
Manufacturer Part Number	LRB2-07-PR
Material Type	Other
Model Name	Nite Ize LED Upgrade Bulb for C/D Flashlights, 55 Lumen Bulb
Model Number	LRB2-07-PR
Number of Items	1
Package Quantity	1
Power Source	Battery Powered
Special Features	High Efficiency
Specification Met	No
Style Name	ML146
Type of Bulb	LED
UPC	094664030077
Unit Count	1.0 count
White Brightness	55 Lumens

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€ 53.93

Duties & taxes included

In stock

Sold byAmazon AustriaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Austria.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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