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Spot welder: 20 biggest discounts on AliExpress

We picked 20 spot welder from AliExpress with real orders and good reviews. Prices go from $1.15 to $131, the average rating is 4.8 stars and the most popular one has 10k orders. Every product opens on AliExpress, where you pay with buyer protection.

Updated: 2026-11

1. 1-73%FS01 11 Gears Adjustable Spot Welder Handheld Battery Spot Welding Tool Weldable 0.3MM Nickel Belt 18650$31.14 $117★ 4.8 · 1.9k soldView on AliExpress →
2. 2-69%99 Gears 12V Spot Welder Kit Digital Power Adjustable Spot Welding Pen Control Board Nickel Sheet For 18650$14.80 $47.18★ 4.5 · 3.5k soldView on AliExpress →
3. 3-67%5M/Roll 99.9% T2 Copper Strip Strap For Energy Storage Spot Welder 18650 21700 Lithium Battery Connection$1.15 $3.46★ 4.9 · 3.5k soldView on AliExpress →
4. 4-65%Spot Welding Pen Integrated Spot Welder Hand-held with Automatic Trigger For 18650 Battery Trigger Weld Mini$15.08 $42.80★ 4.6 · 2.5k soldView on AliExpress →
5. 5-64%Z99 Portable Spot Welder Kit, 12V, 99-Level Power Adjustable, 18650 Lithium-Ion Battery Spot Welder, Voltage$3.66 $10.25★ 4.9 · 6.4k soldView on AliExpress →
6. 6-63%1Roll 10M 18650 Battery Nickel Plated Strip Li-ion Connector 0.1mm 0.12mm 0.15mm 0.2mm Spot Welder Steel$2.61 $6.96★ 4.9 · 10k soldView on AliExpress →
7. 7-61%AWithZ Portable Spot Welder DIY Handheld Spot Welding Machine 90 Gears Adjustable Spot Welding for 18650$29.26 $74.55★ 4.8 · 8.2k soldView on AliExpress →
8. 8-61%1/10m/Roll 18650 21700 Battery Nickel Plated Strip Li-ion Connector 0.1mm 0.15mm 0.2mm Spot Welder Steel$1.56 $3.95★ 4.9 · 4k soldView on AliExpress →
9. 9-61%Handheld Spot Welder Kit with 18650 Battery, 12 Power Levels Adjustable, LED Lighting & Nickel Strips Included$27.33 $70.35★ 4.8 · 2.5k soldView on AliExpress →
10. 10-61%12 Gears Adjustable Handheld Spot Welder Mini Portable 9-Level LED Lighting 18650 Lithium Battery DIY$24.42 $62.68★ 4.7 · 2k soldView on AliExpress →
11. 11-60%Handheld Spot Welder Kit with 18650 Battery, 12 Power Levels Adjustable, LED Lighting & Nickel Strips Included$20.47 $50.89★ 4.9 · 3.8k soldView on AliExpress →
12. 12-58%Awithz 9000W Spot Welder High Power Portable Pedal Spot Welding Machine 1350A Present Adjustable Welders for$48.46 $116★ 4.8 · 5k soldView on AliExpress →
13. 13-57%AWithZ UF20B Spot Welder Super Farad Capacitor Spot Welding Machine 18650 Lithium Battery DIY Nickel Sheet$131 $306★ 4.9 · 2.2k soldView on AliExpress →
14. 14-56%8000W Spot Welder High Power Handheld Spot Welding Machine Portable 1200A present Adjustable Welders for$62.78 $144★ 4.7 · 1.3k soldView on AliExpress →
15. 15-54%8000W Mini Spot Welder Kit DIY Automat 18650 Battery Pack Welding Portable Spot Welding Machine Pen For$57.54 $125★ 4.9 · 2.6k soldView on AliExpress →
16. 16-54%8000W Spot Welder High Power Handheld Spot Welding Machine Portable 1200A present Adjustable Welders for$55.76 $122★ 4.9 · 1.5k soldView on AliExpress →
17. 17-30%10m/Roll 18650 Battery Nickel Plated Strip Li-ion Connector 0.1mm 0.12mm 0.15mm 0.2mm Spot Welder Steel Belt$2.36 $3.39★ 4.8 · 1.9k soldView on AliExpress →
18. 18-19%AWithZ 90 Gears Adjustable Spot Welder Portable Handheld Spot Welding Machine Energy Storage Spot Welding$27.03 $33.35★ 4.7 · 4.1k soldView on AliExpress →
19. 19-14%KEKK K99 Mini Spot Welder 99 Gears Mini Spots Welding Machine Control Board for 18650 Battery 0.1-0.3mm$16.49 $19.19★ 4.7 · 1.4k soldView on AliExpress →
20. 20-12%Awithz UK3 Portable Battery Spot Welder DIY Mini Welding Machine 18650 Lithium Battery Pack Welding Tool$83.49 $95.33★ 4.9 · 1.8k soldView on AliExpress →

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