WeldFoundry Catalogue 2026.08 · 199 entries
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Multi-Process & Stick · standing 24 of 30

WeldPro 155 Amp Inverter Welder

Weldpro · owners 4.1/5 from 5 reports · latest 2024-02-02

The WeldPro 155 Amp Inverter Welder is a solid entry-level stick welder for hobbyists, farm repairs, and light fabrication.

WeldPro 155 Amp Inverter Welder
Fig. 1 · Multi-Process & Stick
0510152025 0.5–3.9 mm Mild-steel thickness this output carries, single pass, flat
Rated output
155 A
Duty cycle
60% at 100A
Steel window
0.5–3.9 mm
Mass
13.7 lbs
RequisitionWeldpro
  • Dual voltage flexibility
  • Portable lightweight design
  • Strong stick arc performance
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Running it

The Weldpro 155 Amp Inverter Welder is a compact, dual-voltage stick welding machine engineered for hobbyists, farmers, and light industrial users who need dependable arc welding performance without the bulk of traditional transformer-based machines. Utilizing advanced IGBT inverter technology, this welder delivers a stable, consistent arc that makes striking and maintaining a weld pool noticeably easier, even for those still developing their technique. The unit operates on both 110V and 220V power supplies, giving users the flexibility to weld in a home garage using a standard household outlet or step up to higher amperage output when connected to 220V for tackling thicker metal. With a rated output of up to 155 amps, this machine can handle a wide range of electrode sizes, from thin 1/16 inch rods for delicate work to thicker 1/8 inch electrodes for more demanding stick welding applications on mild steel and similar materials. Beyond raw power, the Weldpro 155 Amp Inverter Welder is packed with practical features that make it appealing to welders who value control and convenience. It includes adjustable hot start, arc force control, and anti-stick technology, three functions that work together to reduce electrode sticking, improve arc initiation, and give the operator finer command over heat input during welding. The digital display panel allows precise amperage adjustments to be dialed in quickly, which is especially useful when switching between different rod diameters or metal thicknesses on the same job. Its lightweight, portable housing is built with durability in mind, featuring a rugged casing designed to withstand the knocks and dust typical of workshop or outdoor use, while an efficient cooling fan helps protect internal components during extended welding sessions. Designed with both performance and affordability in mind, the Weldpro 155 Amp Inverter Welder positions itself as an accessible entry point into stick welding without sacrificing the features that more experienced welders look for. It comes bundled with essential accessories such as an electrode holder, ground clamp, input power cable, and a shoulder strap for easy transport between job sites or storage. The compact footprint and low weight make it a practical choice for mobile repair work, farm maintenance, DIY metal fabrication, and small-scale construction projects where a full-size industrial welder would be impractical. Backed by a warranty and responsive customer support, this stick welder appeals to users seeking a reliable, no-frills machine that delivers clean welds on mild steel and similar ferrous metals, making it a solid addition to any welding equipment lineup for those balancing budget considerations with genuine welding capability.

Verdict

The WeldPro 155 Amp Inverter Welder is a solid entry-level stick welder for hobbyists, farm repairs, and light fabrication. Its dual voltage input and portability make it versatile for both home shop and remote job use, though the modest duty cycle and average stock accessories mean serious fabricators may want to upgrade cables and gloves for heavier daily use.

Specification

The full plate

As stated by the manufacturer, 5 lines.

Max Output155A
Input Voltage110V/220V dual
Duty Cycle60% at 100A
Weight13.7 lbs
Electrode Compatibility6010-7018, up to 3/16 in

What holds up

  • Lightweight and easy to transport to job sites
  • Handles 3/16 inch electrodes with strong penetration
  • Dual voltage flexibility for shop or field use
  • Smooth arc starts even with rusty or dirty metal
  • Affordable price point for hobbyists and light fabrication
  • Digital amp display simplifies dial-in settings

What costs you

  • Duty cycle drops quickly above 100 amps
  • Stock electrode holder and cables are lower quality
  • No TIG lift-start capability despite some marketing claims
  • Cooling fan runs loud during extended use
  • Limited to thinner rod sizes for continuous fabrication work

Stated features

  • 155A max output for Stick (MMA) welding
  • Dual voltage input 110V/220V auto-sensing
  • Digital display for precise amperage control
  • IGBT inverter technology for stable arc
  • Hot start, anti-stick, and arc force functions
  • Compact portable design with carry handle
  • Compatible with 6010, 6011, 6013, 7018, and 316L stick electrodes
Owner reports

5 people who bought it

Great starter welder Mike Torres · 2023-11-14

Bought this for farm repairs and it handles 1/8 inch 7018 rod without a hitch. Arc is stable and the digital readout helps me dial in settings fast.

Good value but watch duty cycle Dana Whitfield · 2024-02-02

Works well for hobby projects, but if you push past 120 amps for too long it will overheat and shut down. Great for occasional use, not production welding.

Cables need upgrading Carlos Nunez · 2023-09-28

The welder itself performs fine, but the stock electrode holder is flimsy. Swapped it out for a heavier duty one and now it works much better.

Perfect for home garage Sarah Kline · 2024-01-19

Dual voltage input let me run it off my dryer outlet. Lightweight enough to carry around the garage and does clean welds on 3/16 steel.

Solid budget inverter Jason Pratt · 2023-12-05

For the price this is a great little machine. Anti-stick and hot start features really do help beginners get consistent arc starts.

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