Will one of these 18W bulbs work in a Coleman lantern that has been using a 13W bulb (hopefully, only draining batteries more quickly)?

Doubt it. The base has plastic tabs that key it for different wattages, your light should have slots aligned to only take 13w (and possibly lower) bulbs. I think that the picture for this product is wrong, my 13w bulbs have the keys at 12 and 6 o'clock , and 18w has keys at 5 and 11.

Can this replace a cooper r10 13w/4p?

If the base is 4 Pin G24q-1, then it will replace without a issue

Is this for G24q-2 base or G24q-1? It says g24q-2 in the description, but the picture looks like a g24q-1.

G24q-2 as all 18watts are manufactured with the plastic piece sticking out on the bottom slightkh moved over from the center.

Is this truly rated for outdoor use? The Amazon listing says it is, but the actual packaging makes no mention of outdoor use. And the website is dead.

I bought for indoor use so I can’t help you

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PLC-18W 827 CFL Bulb G24q-2 4 Pin 18W 2700K Warm White Plug in 4 Pk

Product ID: 28504241

Details

Brand
Circle
Bulb Shape Size
T4
Light Type
CFL
Special Feature
Energy
Wattage
18 watts

💡18W energy-efficient power

🔧Plug & play G24q-2 base

🌡️2700K warm white glow

€ 47.53

Duties & taxes included

In stock

Sold byAmazon SlovakiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💼 Light up your workspace with warm efficiency and zero hassle!

EFFORTLESS UPGRADE - Direct drop-in replacement for major CFL brands—no rewiring needed, just plug & glow.
COMPACT VERSATILE - T4 double tube design fits seamlessly in downlights, sconces, desk lamps, and more.
VALUE PACK ADVANTAGE - Four individually tested bulbs in one pack—quality and quantity for savvy buyers.
LONG LASTING PERFORMANCE - Rated for 10,000+ hours, reducing maintenance in high-use or hard-to-reach fixtures.
WARM AMBIANCE PROFESSIONAL VIBE - 2700K color temp with 82 CRI delivers cozy, natural light perfect for office or hospitality settings.

The Circle PLC-18W 827 CFL Bulb is a 4-pin, 18-watt compact fluorescent lamp designed as a direct replacement for popular G24q-2 base CFL bulbs. It emits a warm 2700K light with an 82 CRI for true color rendering, consumes low energy while delivering 1200 lumens, and boasts a long 10,000-hour lifespan. Ideal for professional and hospitality environments, it comes in a convenient 4-pack, ensuring reliable, maintenance-free illumination with easy plug-and-play installation.

Specifications

ASIN	B01FR8KON2
Accepted Voltage Frequency	100 to 120 Volts and 60 Hertz
Additional Features	Energy Efficient
Best Sellers Rank	#4,202 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #22 in Compact Fluorescent Bulbs
Brand	Circle
Brand Name	Circle
Bulb Base	G4
Bulb Shape Size	T4
Color	2700k
Color Rendering Index	82
Color Temperature	2700 Kelvin
Connectivity Technology	Normal bulb
Control Method	App
Controller Type	Push Button
Customer Reviews	4.2 out of 5 stars 1,298 Reviews
Efficiency	66.67 lumens/watt
Incandescent Equivalent Wattage	13 watts
Included Components	4 light bulbs
Indoor Outdoor Usage	Indoor
Item Weight	9.92 ounces
Light Color	White
Light Source Operating Life	12000 hours
Light Source Type	Fluorescent
Light Source Wattage	18 watts
Light Type	CFL
Manufacturer	Circle
Manufacturer Part Number	121
Material Type	Glass
Model Name	PCL-CLC 18W
Model Number	PCL-CLC Parent
Number of Items	4
Package Quantity	4
Power Consumption	18 watts
Power Source	Corded Electric
Shape	t4
Special Feature	Energy Efficient
Specific Uses For Product	Lamp
UPC	030465197113
Unit Count	4 Count
Voltage	120 volts
Wattage	18 watts
White Brightness	1200 lumens

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