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4 best spot welder under $50.00

We picked 4 spot welder from AliExpress with real orders and good reviews. Prices go from $2.93 to $46.03, 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. 1Z99 Portable Spot Welder Kit, 12V, 99-Level Power Adjustable, 18650 Lithium-Ion Battery Sp-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. 28000W Mini Spot Welder Kit DIY Automat 18650 Battery Pack Welding Portable Spot Welding Ma-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 →
  3. 3Awithz Portable Battery Spot Welder DIY Mini Welding Machine 18650 Battery Pack Nickel Str-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. 4Portable Handheld Spot Welder, 800A Mini Battery Welding Tool With 9 Gears, LED Indicator,-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 →

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