SKU: 60519461895

4Sevens Quark AA R5 Cool White

Sale price$51.29 Regular price$56.99
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Ships within 48 hours · Estimated delivery Aug 18 - Aug 23

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Description

4Sevens Quark AA R5 Cool WhiteOverview Main Features Power: One AA Battery (0. 9V~4. 2V) Output: Maximum 109 lumens; Moonlight 0. 2 lumens Runtime: Maximum 1. 2 hours; Moonlight 10 days Strobe: Strobe, S. O. S., and Beacon flash modes Specifications Powered by: 1 AA battery LED Emitter: Premium Cree XP G R5 Voltage range: 0. 9V ~ 4. 2V Dimensions Length: 3. 8 inches Diameter: 0. 86 inches Weight: 1. 8 ounces 5 Current Regulated Output Levels 3 Flash modes: Strobe, SOS, Beacon

Overview / Main Features

 

Power: One AA Battery (0.9V~4.2V)

Output: Maximum - 109 lumens; Moonlight - 0.2 lumens

Runtime: Maximum - 1.2 hours; Moonlight - 10 days

Strobe: Strobe, S.O.S., and Beacon flash modes

Specifications

 

    • Powered by: 1 AA battery
    • LED Emitter: Premium Cree XP-G R5
    • Voltage range: 0.9V ~ 4.2V
    • Dimensions
Length: 3.8 inches
Diameter: 0.86 inches
Weight: 1.8 ounces
  • 5 Current Regulated Output Levels
  • 3 Flash modes: Strobe, SOS, Beacon
  • Square threads for lifetime smooth operation
  • Type III Hard Anodized finish
  • Fully knurled
  • Reversable/Removable Clip
  • Flexible & secure finger grip accessory
  • IPX-8 Waterproofing
  • Impact-resistant glass lens with Dual-coating - sapphire coating on the outside and anti-reflective coating on the inside for optimal efficiency and durability.
  • T-6061 Aircraft-grade Aluminum Body
  • Stands on Tail (candle mode)

Typical Output Levels and Runtimes + (LED drive current)

Moonlight: 0.2 lumens for 10 days (1ma)
Low: 4 lumens for 2 days (10ma)
Medium: 22 lumens for 6 hours (50ma)
High: 85 lumens for 1.5 hours (250ma)
Max: 109 lumens for 1.2 hours (350ma)
Strobe: 109 lumens for 2.5 hours
Beacon: 0-109 lumens pulse for 18 hours

Operation

 

Operating your Quark AA is simple. Make sure its batteries are inserted with the positive side (+) toward the head. Ensure the bezel (the 'head' of the light) and tailcap are tightened, then depress the tailcap button fully so that it 'clicks' and the light turns on.

The two most commonly used modes are Max and Moonlight, the highest and lowest modes. To access Max, you simply tighten the bezel. To access Moonlight, you just loosen the bezel a half-turn. That's it.

You can also cycle through the Quark's other modes just as easily. Lightly depress the button momentarily (you don't need to 'click' it off) and the output will switch to the next mode. The mode sequence is determined by whether the bezel is tightened or loosened:

Loosened Bezel: Moonlight -> Low -> Medium -> High -> SOS -> Beacon

Tightened Bezel: Max -> Strobe

Once the Quark has been turned off for at least three seconds, it will revert to the first level of output in the sequence, either Moonlight or Max.

Warranty

 

4Sevens warrants its products to be free from defects in materials and workmanship. We will repair or replace, at our option, without charge, any product or part which is found to be defective under normal use and service within 120 months from the date of purchase with proof of purchase. Such repair or replacement shall be the purchaser's sole and exclusive remedy under this warranty. This warranty does not cover normal maintenance and service and does not apply to any products or parts which have been subject to modification, misuse, abuse, negligence, accident, or improper maintenance or repair by anyone other than 4Sevens.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 60519461895

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4.3 ★★★★★
Based on 7 reviews
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M
Verified Purchase
md
Whiting, US
★★★★★ 5
COOL Pillowcases Worth Buying
Color: Champagne, Size: Queen
I bought these to try out, and I was shocked to find they worked out better than my silk pillowcases. I have atopic dermatitis, and I need a pillowcase that doesn't irritate my skin. I also am having hot flashes and need something cool on my face. These pillowcases are perfect for both my conditions. I plan to buy more in different colors. My sons and husband also like it since they are always hot.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
S
Verified Purchase
Susan H Garland
West Palm Beach, US
★★★★★ 5
Get this If your hot in bed
Color: Champagne, Size: Queen
Very nice and silky.helps keep me cooler.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026
E
Verified Purchase
Emily
Cuba, US
★★★★★ 4
Cool not cold
Color: Light Gray, Size: Queen
Super silky like material. Comfy and fits pillow perfectly. Wish it could be a more cold then cool.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2026
C
Verified Purchase
Cat Flo
Natrona Heights, US
★★★★★ 3
It’s ok could be cooler
Color: Light Gray, Size: Queen
Decent — could be cooler. They’re a nice color and texture. It fit my pillows well no annoying zippers it’s nice to sleep on and stay in place.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 8, 2026
K
Verified Purchase
kenneth e tompor
Boise, US
★★★★★ 5
Comfort
Color: Champagne, Size: Queen
What a lifesaver, great feel, and awesome cooling feel
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 2, 2026

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