4.2
At a Glance
MIG / Flux-CoreProcess
30–140AAmp Range
30% @ 90ADuty Cycle
110V / 220VInput Voltage
1/8 inMax Metal Thickness
40 lbsWeight
Best For
First WelderMIG WeldingAuto Body Work
Pros & Cons
Pros
- Dual voltage 110V/220V — works in any garage or shop
- Includes flux-core wire — ready to weld out of the box
- Very competitive price for a dual-voltage MIG
- Solid build for the price point
Cons
- Wire feed can be inconsistent at very low settings
- Duty cycle is modest — not for long production runs
- Limited brand support infrastructure vs Miller/Lincoln
Lotos MIG140 140A MIG Welder
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Our Verdict
The Lotos MIG140 punches well above its price. Dual voltage input and flux-core included makes it the smartest budget entry point for home MIG welding. Don't expect commercial duty cycles — but for garage fab work, it delivers.
Lotos MIG140 140A MIG Welder
$299
Prices may change · Free shipping with Prime
| Full Specifications | |
|---|---|
| Process | MIG / Flux-Core |
| Amp Range | 30–140A |
| Max Amps | 140A |
| Duty Cycle | 30% @ 90A |
| Input Voltage | 110V / 220V |
| Wire/Rod Gauge | 0.023–0.035 in solid; 0.030–0.035 in flux-core |
| Max Metal Thickness | 1/8 in |
| Weight | 40lbs |
| Auto-Set | No |
| Spool Gun Ready | No |
| Warranty | 1yr |
| Brand | Lotos |
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Lotos MIG140 140A MIG Welder
$299
Prices may change · Free shipping with Prime