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5000 mAh Lithium-ion 21700 Rechargeable Battery

Marsoni M251S
Sale price$24.95
Pay 4 payments of $6.24 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
5000 mAh Lithium-ion 21700 Rechargeable BatteryThe Powertac 5000mAh 21700 battery with PCB protection. Carefully designed to power any 3. 6V device that needs high energy density and low weight. The 5000 MaH battery is not a replacement for an 18650 size battery. The 5000 Mah has larger dimensions than the 18650. Specifications: Unique and New! With PCB protection! Li Ion 21700 cylindrical rechargeable batteries with Internal Voltage protection PCB! Internal PCB protection prevents under voltage
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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4.1 ★★★★★
Based on 1037 reviews
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B
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Bruce
Belleville, US
★★★★★ 5
98% cotton comfort
Color: Black, Size: Large
It's true to size. I have a 42" chest and typically wear a large. I ordered large and it fits. Grab these while you can as most of these mock neck t shirts are a cotton poly blend. These are 98% cotton. This is important because although the cotton/poly blends dry quicker, they are uncomfortably warm if it gets above 70 F. I have purchased other mock turtlenecks and had my local dry cleaners convert them from long sleeves to short, but they are slightly heavier weight than these. I do wish that they made these in a dark green or military green color.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 26, 2026
B
Verified Purchase
Bella
Louisville, US
★★★★★ 1
100% SYNTHETIC CONSTRUCTION!!!
Color: All White, Size: XX-Large, Color: All White, Size: XX-Large
When I bought this shirt, the listing claimed it was 95% cotton and 5% spandex... the shirt that arrived was 51% polyester, 43% viscose and 6% spandex! I have been impressed by some of their other clothing, but this is the first time I was completely lied to and bamboozled. I probably wouldn't have noticed if the shirt wasn't so hot, shiny, and uncomfortable! I will absolutely be returning this shirt. Not even CLOSE to what I wanted. Quite, quite disappointed.
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Reviewed in the United States on April 29, 2026
J
Verified Purchase
jerryejohnson
Omaha, US
★★★★★ 3
Just okay for price.
Color: All White, Size: Large
Average quality and fit. The neck is bigger than I would like. Would not purchase again.
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Reviewed in the United States on February 22, 2026
K
Verified Purchase
Karen Matinyan
Alexandria, US
★★★★★ 5
Great product
Color: Black, Size: Medium
Very soft, good-looking t-shirt
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Reviewed in the United States on May 28, 2026
M
Verified Purchase
MarZ
Los Angeles, US
★★★★★ 5
Perfect Color
This shirt is so soft and the color is as depicted. Great mock turtle. Size is as expected. Ordered a large- 5’9 165# It fits well maybe a bit long but I wanted it loose.
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Reviewed in the United States on March 25, 2026

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