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
The Lotos MIG150FX is the better MIG welder overall, rated 4.0 to 3.2. The Lotos MIG150FX leads on value and weight. The Lincoln Power MIG 140 MP wins on processes. The Lotos MIG150FX costs $1,090.01 less ($88.98 vs $1,178.99).
Lincoln Power MIG 140 MP
#5 in 120 VFull review
A versatile 120 V shop welder for hobbyists and auto body work who want stick and TIG on the same box. Pick a dual voltage machine if you have 240 V and weld thicker steel.
Amazon $1,178.99$1,178.99
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.
Which should you buy?
- Choose the Lotos MIG150FX for value ($0.59 per amp ($88.98, 150 A maximum) vs $8.42 per amp ($1,178.99, 140 A maximum)) and weight (8.2 lb vs 34.5 lb).
- Choose the Lincoln Power MIG 140 MP for processes (MIG, flux-core, stick, lift TIG, takes a spool gun for aluminum vs Flux-core, stick, lift TIG).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 120 V MIG welder; a clear win is highlighted. How we rank explains each one.
| Factor weight | Lotos MIG150FX | Lincoln Power MIG 140 MP |
|---|---|---|
| Overall rating | 4.0/5 | 3.2/5 |
| Value 30% | 100 $0.59 per amp ($88.98, 150 A maximum) | 0 $8.42 per amp ($1,178.99, 140 A maximum) |
| Duty cycle 20% | 60 25% at full output (150 A) | 71 60% at 95 A, about 28% at full output |
| Processes 15% | 40 Flux-core, stick, lift TIG | 100 MIG, flux-core, stick, lift TIG, takes a spool gun for aluminum |
| Weight 10% | 100 8.2 lb | 57 34.5 lb |
| Warranty 25% | 50 3-year warranty on the machine | 50 3-year warranty on the machine |
Specifications
| Lotos MIG150FX | Lincoln Power MIG 140 MP | |
|---|---|---|
| Output | ||
| Input voltage | 120 V | 120 V |
| Maximum output | 150 A | 140 A |
| Rated duty cycle | 25% at 150 A | 60% at 95 A |
| Thickest steel, one pass | 0.188 in | - |
| Inverter | Yes | - |
| Processes and wire | ||
| Gas MIG | No | Yes |
| Stick | Yes | Yes |
| TIG | Lift TIG | Lift TIG |
| Spool gun ready | No | Yes |
| Wire sizes | 0.03 to 0.035 in | 0.025 to 0.045 in |
| Largest spool | 2 lb | - |
| Synergic settings | Yes | No |
| Build | ||
| Weight | 8.2 lb | 34.5 lb |
| Warranty | 3 years | 3 years |
| Released | - | 2019-09 |