Miller Thunderbolt 210 MV
#7 in StickFull review
A premium stick welder for tradespeople who want Miller reliability in a 13 lb package. Hobbyists get far more for the money elsewhere.
Amazon $989$989
The Miller Thunderbolt 210 MV and the Lincoln Weld-Pak 225i are evenly matched, rated 2.8 and 2.7. The Lincoln Weld-Pak 225i wins on value. The Lincoln Weld-Pak 225i costs $470 less ($519 vs $989).
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.
Which should you buy?
- Choose the Lincoln Weld-Pak 225i for value ($2.31 per amp ($519, 225 A maximum) vs $4.71 per amp ($989, 210 A maximum)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every stick TIG or stick welder; a clear win is highlighted. How we rank explains each one.
| Factor weight | Miller Thunderbolt 210 MV | Lincoln Weld-Pak 225i |
|---|---|---|
| Overall rating | 2.8/5 | 2.7/5 |
| Value 30% | 9 $4.71 per amp ($989, 210 A maximum) | 35 $2.31 per amp ($519, 225 A maximum) |
| Duty cycle 20% | 12 60% at 135 A, about 25% at full output | 25 30% at full output (225 A) |
| Features 25% | 80 dual voltage, lift TIG | 80 dual voltage, lift TIG |
| Warranty 25% | 50 3-year warranty on the machine | 0 warranty not published, scored as none |
Specifications
| Miller Thunderbolt 210 MV | Lincoln Weld-Pak 225i | |
|---|---|---|
| Output | ||
| Processes | DC lift TIG, stick | DC lift TIG, stick |
| Maximum output | 210 A | 225 A |
| Maximum on 120 V | 110 A | - |
| Duty cycle | 60% at 135 A | 30% at 225 A |
| Input | 120 V and 240 V | 120 V and 240 V |
| Features | ||
| Pulse | No | No |
| Foot pedal in the box | No | No |
| TIG torch in the box | No | No |
| Weight | 13 lb | 20 lb |
| Warranty | 3 years | - |