AHP AlphaTIG 225Xi
#9 in AC/DC TIGFull review
A step up in power from the 203Xi for welders who work thicker aluminum. Best for a fixed garage bench.
Amazon $715 AHP $695$695
The AHP AlphaTIG 225Xi rates 3.8 among AC/DC TIG TIG or stick welders; the Lincoln Weld-Pak 225i rates 2.7 among stick ones. The Lincoln Weld-Pak 225i costs $176 less ($519 vs $695).
Lincoln Weld-Pak 225i
#8 in StickFull review
A stick welder from a major brand for home and farm repair, with touch start TIG as an option.
Amazon $519$519
Prices were last checked November 2, 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 process classes (AC/DC TIG and stick), and each is scored against the reference points for its own class, so a rating says how well each does among its own process peers. How we rank explains each factor.
| Factor weight | AHP AlphaTIG 225Xi | Lincoln Weld-Pak 225i |
|---|---|---|
| Overall rating | 3.8/5 | 2.7/5 |
| Value 30% | 73 $3.09 per amp ($695, 225 A maximum) | 35 $2.31 per amp ($519, 225 A maximum) |
| Duty cycle 20% | 38 35% at full output (225 A) | 25 30% at full output (225 A) |
| Features 25% | 100 high-frequency start, pulse, foot pedal in the box, dual voltage | 80 dual voltage, lift TIG |
| Warranty 25% | 50 3-year warranty on the machine | 0 warranty not published, scored as none |
Specifications
| AHP AlphaTIG 225Xi | Lincoln Weld-Pak 225i | |
|---|---|---|
| Output | ||
| Processes | AC/DC TIG, stick | DC lift TIG, stick |
| Maximum output | 225 A | 225 A |
| Maximum on 120 V | 150 A | - |
| Duty cycle | 35% at 225 A | 30% at 225 A |
| Input | 120 V and 240 V | 120 V and 240 V |
| Features | ||
| Pulse | Yes | No |
| Foot pedal in the box | Yes | No |
| TIG torch in the box | Yes | No |
| Weight | 50 lb | 20 lb |
| Warranty | 3 years | - |