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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Circle PLC-18W 827 4 Pin 2700K 18W Dual Tube CFL G24q-2 Compact Fluorescent Light Bulb 2700K Warm White Replaces Sylvania 20683 Philips 38329-9 GE 97594

Circle PLC-18W 827 4 Pin 2700K 18W Dual Tube CFL G24q-2 Compact Fluorescent Light Bulb 2700K Warm White Replaces Sylvania 20683 Philips 38329-9 GE 97594

Product ID: 115760091

Details

Brand
Circle
Bulb shape size
T4
Light type
CFL
Wattage
18 watts

⏳10,000 hours lifespan

⚡18W energy efficient

💡1200 lumens brightness

€ 83.56

Duties & taxes included

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Sold byAmazon SlovakiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💡 Light up your workspace with brilliance and efficiency!

BRILLIANT WARM GLOW - 2700K warm white light creates a cozy, inviting ambiance perfect for professional spaces.
PRECISION FIT FINISH - 4-pin G24q-2 base ensures seamless compatibility with your existing fixtures for easy upgrades.
ENERGY SMART EFFICIENCY - Consumes just 18 watts while delivering bright 1200 lumens—save on your energy bills without sacrificing brightness.
LONG LASTING PERFORMANCE - Up to 10,000 hours of reliable illumination means fewer replacements and less hassle.
TRUSTED QUALITY ASSURANCE - Manufactured to exacting standards, guaranteed to perform like the original top-brand bulbs.

This 4-pack of 18W PLC double tube compact fluorescent bulbs offers 1200 lumens of warm white light at 2700K color temperature, with an 82 CRI for natural color rendering. Featuring a 4-pin G24q-2 base, these bulbs provide up to 10,000 hours of energy-efficient illumination, making them an ideal, cost-effective replacement for Sylvania 20683 and Philips 38329-9 models.

Specifications

ASIN	B01FR8KON2
Accepted Voltage Frequency	100 to 120 Volts and 60 Hertz
Average Life Span	12000 Hours
Best Sellers Rank	70,776 in Lighting ( See Top 100 in Lighting ) 1,268 in Fluorescent & Neon Tubes
Brand Name	Circle
Bulb Base	G4
Bulb Shape Size	T4
Color Rendering Index (CRI)	82.0
Color Temperature	2700 Kelvin
Colour	2700k-warm White
Connectivity Technology	USB
Control Method	Touch
Controller Type	Push Button
Customer Reviews	4.2 4.2 out of 5 stars (1,088)
EU Energy Efficiency Label	66.67 lumens/watt
Incandescent Equivalent	13 Watts
Included Components	Hub
Indoor Outdoor Usage	Indoor
Is Electric	Yes
Item Shape	Tubular(T)
Item Weight	280 g
Light Color	Warm White
Light Output Maximum	1200 Lumens
Light Source Wattage	18 Watts
Light Type	CFL, Fluorescent
Manufacturer	Circle
Manufacturer Part Number	121
Material Type	Copper
Model Name	PLC
Model Number	PCL-CLC Parent
Number of Items	4
Package Quantity	4
Power Consumption	18 Watts
Power Source	Corded Electric
Special Features	Applications: Wall Sconces • Recessed Cans • Exit Signs • Surface Ceiling Fixtures • Task Lighting • Indoor & Outdoor • Ceiling Fans
Specific Uses	Applications: Wall sconces • Recessed cans • Exit signs • Surface ceiling fixtures • Task lighting • Enclosed indoor/outdoor • Ceiling Fans
Style Name	2700K
Type of Bulb	Fluorescent
UPC	030465197113
Unit Count	4.0 count
Voltage	120 Volts
Wattage	18 watts
White Brightness	1200 Lumens

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