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Description
SEQURE SQ-SW1 Spot Welder w/ OLED Screen + Foot Pedal for 18650 Pack WeldingLithium batteries are widely used in the FPV industry! The SEQURE SQ SW1 enables you to easily and efficiently spot weld your own battery packs for flight use. Traditional welding machines lack flexibility. The SQ SW1 is battery powered with an OLED display to give you real time parameters. With this new spot welding technology, you can intuitively switch between automatic or manual working modes to meet different needs. Please see the important
Lithium batteries are widely used in the FPV industry! The SEQURE SQ-SW1 enables you to easily and efficiently spot weld your own battery packs for flight use. Traditional welding machines lack flexibility. The SQ-SW1 is battery-powered with an OLED display to give you real-time parameters. With this new spot welding technology, you can intuitively switch between automatic or manual working modes to meet different needs.
Please see the important information at the bottom of the description regarding battery compatibility.
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Features
- Works for welding on multiple types of batteries including cylindrical lithium, nickel-hydrogen, and cadmium nickel batteries.
- Flexible and efficient for spot welding of 18650 Battery Packs
- OLED display for clear indication of parameters in real-time
- Automatic or Manual working modes
- Multi-directional screen display
- Output voltage of 10-14V
Specifications
- Pulse Time: 1-100ms(default),1-500ms（setting）
- Voltage Warning: Low Voltage/High Voltage
- Work Model: Automatic/Manual
- Welding Thickness: 0.1-0.3mm
- Power Supply Interface: XT90
- Input Voltage: 10-14V
- Trigger Delay: 0.5-3s
- Short Pulse: 0-100%
- Screen Flip: 180°
Recommended (Not Included)
-
Recommended Battery: Lithium battery (3S 5000mAh minimum 60C).
IMPORTANT NOTE REGARDING BATTERIES:
- Exceeding a 300A maximum discharge rating will cause damage to the internal circuit and can be dangerous.
- Please use the recommended battery spec and do not exceed 300A (60C at 5000mAh, or 30C at 10000mAh).
- Despite some compatibility, we do not recommend usage of car batteries due to manufacturing variances.
Includes
- 1× SEQURE SQ-SW1 Spot Welder w/ OLED Screen
- 2× Battery holder
- 1× Welding pen
- 1× Nickel stripe
- 1× Foot pedal
- 2× Solder pin
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.8 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 5
Great Puffer!
Great for the price. I live in south east Michigan and this puffy is so warm but also light. Would buy again.
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Reviewed in the United States on May 3, 2026
★★★★★ 1
Not very puffy puffy jacket
Size: XX-Large, Color: Denim Blue
At xxl the shoulders fit well and perhaps the first jacket where the sleeves came down to my wrists and not halfway to my elbows if I reached forward. Love the zipper. The zipper pull is at my right hand side. It is where i would use my right hand to engage and pull it closed. The zipper glides smoothly. The hood is voluminous. There is no string available to control the fit of the hood. As it us the hood is much too large. It makes the jacket look cheap and unfinished. The jacket would be immeasura bly better if the was a bit more fill in the body and a string pull in the face of the hood to bring the fit closer.
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Reviewed in the United States on February 11, 2025
★★★★★ 5
It's thin but it's good for cooler mornings and windy days
This jacket is not super thick or sherpa/fleece lined. But it's great for cooler temperatures, windy days, or staying warm while out on a boat. It's lightweight, cuts the wind and is great for layering. Folding it into the bag makes it ideal for travel and camping
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Reviewed in the United States on January 9, 2026
★★★★★ 3
Okay for the price
Size: XX-Large, Color: Denim Blue
The product was light and compact for packing for an Alaska cruise. It was also sufficiently warm and relatively rain resistant. But on the second day of wearing, the zipper blew out. I was able to fix for a short while, but in the end, I couldn’t use it.
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Reviewed in the United States on September 24, 2025
★★★★★ 5
Great deal on a shacket
Color: Khaki, Size: X-Large
The shacket looks like it is depicted in pictures. It is oversized in general since it is intended to be an over garment. The weight of the cotton is heavier than a normal cotton shirt, but not as heavy as a denim jacket.
I am 5'8" tall and 175 pounds. My sport coat chest measurement is 44 inches. I ordered XL so it would be large enough to cover a T shirt and shoulder holster for S&W Shield to CCW. I washed in cold and hung dried, and it still feels a little too large. I will try to wash and machine dry and see if the fit improved.
The shacket looks to be worn with sleeves extended. I tried rolling up the sleeves and was only able to get two rolls. A third roll was not possible because it wouldn't fit around my forearms even though I'm not muscular. Those wanting to roll up their sleeves may need to alter the shacket.
I was pleasantly surprised that the shacket did not have a chemical smell, which makes sense because it is 100% cotton. It instead smelled like cotton.
After the first wash I didn't notice any imperfections. The buttons don't seem to be unraveling, and the other stitching looks to be holding. The shacket comes with one extra button.
Overall, it looks like a nice shacket. Because it comes from China, I was expecting a stinky, plastic shirt notwithstanding the advertising. But no, it looks like it's all cotton, all quite clean and healthy.
For the price, it looks like a great deal. Note that they can't fit all body types. If you're muscular with large arms and shoulders, I would expect the usual difficulty in finding a fit.
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Reviewed in the United States on August 20, 2025
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