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7 cheapest spot welder on AliExpress

We picked 7 spot welder from AliExpress with real orders and good reviews. Prices go from $2.93 to $66.79, the average rating is 4.9 stars and the most popular one has 6.4k orders. Every product opens on AliExpress, where you pay with buyer protection.

Updated: 2026-11

1. 1-64%Z99 Portable Spot Welder Kit, 12V, 99-Level Power Adjustable, 18650 Lithium-Ion Battery Spot$2.93 $8.20★ 4.9 · 6.4k soldView on AliExpress →
2. 2-55%Portable Handheld Spot Welder, 800A Mini Battery Welding Tool With 9 Gears, LED Indicator, Type-C$17.68 $39.38★ 4.9 · 175 soldView on AliExpress →
3. 3-15%Awithz Portable Battery Spot Welder DIY Mini Welding Machine 18650 Battery Pack Nickel Strip and$28.81 $34.08★ 4.8 · 376 soldView on AliExpress →
4. 4-54%8000W Mini Spot Welder Kit DIY Automat 18650 Battery Pack Welding Portable Spot Welding Machine$46.03 $100★ 4.9 · 2.6k soldView on AliExpress →
5. 5-55%Awithz UK3 Portable Battery Spot Welder DIY Mini Welding Machine 18650 Lithium Battery Pack$51.43 $113★ 4.8 · 482 soldView on AliExpress →
6. 6-56%Awithz UK1 Portable Battery Spot Welder DIY Mini Welding Machine 18650 Lithium Battery Pack$57.86 $132★ 4.8 · 938 soldView on AliExpress →
7. 7-12%Awithz UK3 Portable Battery Spot Welder DIY Mini Welding Machine 18650 Lithium Battery Pack$66.79 $76.26★ 4.9 · 1.8k soldView on AliExpress →

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