AHP AlphaTIG 203Xi
#2 in AC/DC TIGFull review
A complete, hard working AC/DC TIG for the home fabricator who welds aluminum often. Its duty cycle beats most machines near its price.
Amazon $689 AHP $670$670
4.1/5
A 250 A AC/DC machine for a small fabrication shop that welds thick aluminum all day. Overkill for occasional home use.
- 250 AOutput
- 60% at 250 ADuty cycle
- AC/DC TIG, stickProcesses
- 120 V and 240 VInput
Check price at Amazon$1,875
Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- 250 A at a 60% duty cycle handles thick aluminum and long production welds
- Still runs on 120 V at up to 150 A
- Two torches and a pedal in the box
- A VRD makes stick work safer in damp conditions
Cons
- Nearly $1,900, more than most home users need
- At 67 lb it needs a cart
How it scores
The rating comes from 4 measured or published factors, each scored 0-100 against fixed reference points for its process. How we rank explains each one.
Specifications
| Model number | PT255EXT-D |
|---|---|
| Output | |
| Processes | AC/DC TIG, stick |
| Maximum output | 250 A |
| Maximum on 120 V | 150 A |
| Duty cycle | 60% at 250 A |
| Duty cycle ambient | 40 °C |
| Input | 120 V and 240 V |
| Features | |
| Pulse | Yes |
| Foot pedal in the box | Yes |
| TIG torch in the box | Yes |
| Voltage reduction device | Yes |
| Weight | 67 lb |
| Warranty | 5 years |
Alternatives in this process
Everlast PowerTIG 210EXT
#3 in AC/DC TIGFull review
For the hobbyist or small fab shop that wants fine AC control and two torches in one box. The price is high for its amperage.
Amazon $1,439 Everlast $1,419$1,419
Everlast PowerTIG 185DV
#5 in AC/DC TIGFull review
A smaller AC/DC TIG with a long warranty for someone who welds thin aluminum and steel at home.
Amazon $775$775
Compare
Compare the Everlast PowerTIG 255EXT with any other TIG or stick welder →
More from Everlast: every Everlast product ranked.