Lotos MIG225
#4 in Dual voltageFull review
A cheap dual voltage multiprocess welder with real 240 V output and a 3 year warranty. Good for a home shop that mostly welds short beads on mild steel.
Amazon $399.98 Lotos $319.98$319.98
The Lotos MIG225 rates 4.1 among dual voltage MIG welders; the Lotos MIG150FX rates 4.0 among 120 V ones. The Lotos MIG150FX costs $231 less ($88.98 vs $319.98).
Lotos MIG150FX
#3 in 120 VFull review
A very cheap, very light flux core welder for occasional repairs on a 120 V outlet. The 3 year warranty makes it a safer bet than most no name machines at this price.
Amazon $89.98 Lotos $88.98$88.98
Prices were last checked November 1, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Scores side by side
These two sit in different input voltage classes (dual voltage and 120 V), and each is scored against the reference points for its own class, so a rating says how well each does among its own input voltage peers. How we rank explains each factor.
| Factor weight | Lotos MIG225 | Lotos MIG150FX |
|---|---|---|
| Overall rating | 4.1/5 | 4.0/5 |
| Value 30% | 100 $1.42 per amp ($319.98, 225 A maximum) | 100 $0.59 per amp ($88.98, 150 A maximum) |
| Duty cycle 20% | 33 25% at full output (225 A) | 60 25% at full output (150 A) |
| Processes 15% | 100 MIG, flux-core, stick, lift TIG, takes a spool gun for aluminum | 40 Flux-core, stick, lift TIG |
| Weight 10% | 100 24.9 lb | 100 8.2 lb |
| Warranty 25% | 50 3-year warranty on the machine | 50 3-year warranty on the machine |
Specifications
| Lotos MIG225 | Lotos MIG150FX | |
|---|---|---|
| Output | ||
| Input voltage | 120/240 V | 120 V |
| Maximum output | 225 A (120 A on 120 V) | 150 A |
| Rated duty cycle | 25% at 225 A | 25% at 150 A |
| Thickest steel, one pass | 0.4 in | 0.188 in |
| Inverter | Yes | Yes |
| Processes and wire | ||
| Gas MIG | Yes | No |
| Stick | Yes | Yes |
| TIG | Lift TIG | Lift TIG |
| Spool gun ready | Yes | No |
| Wire sizes | 0.023 to 0.04 in | 0.03 to 0.035 in |
| Largest spool | 2 lb | 2 lb |
| Synergic settings | Yes | Yes |
| Build | ||
| Weight | 24.9 lb | 8.2 lb |
| Warranty | 3 years | 3 years |
| Released | 2024-09 | - |