AZZUNO vs BESTMIG.: Welders Compared by Specs
As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.
You are comparing AZZUNO vs bestmig welder options to find the right tool for your workshop. Both units are portable inverter welders designed for home and DIY use. The main difference lies in their process versatility and power. The AZZUNO offers a five-in-one configuration with dual-voltage input, while the BESTMIG focuses on three processes with a single voltage. You need to check the specs to see which fits your power source and material needs.
Key differences
| Aspect | AZZUNO 155A Dual-Voltage MIG Welder | BESTMIG 135A Multi-Process Welder |
|---|---|---|
| Welding Processes | 5-in-1: Flux Core, Gas MIG, Aluminum MIG, Stick, Lift TIG | 3-in-1: MIG, Lift TIG, Stick |
| Amperage | 155A | 135A |
| Input Voltage | 110V/220V Dual Voltage | 110V |
| Display | 2 buttons and 2 knobs | Full-color LED display |
| Included Accessories | Torch, holder, clamp, wire, tips, nozzles, rollers | Torch, holder, clamp, helmet, gloves |
| Weight | 12 pounds | 10.7 pounds |
Which one should you choose?
Choose AZZUNO 155A Dual-Voltage MIG Welder if
- You need to weld aluminum or require 220V power for higher output.
- You want the highest amperage for thicker materials up to 1/8 inch.
- You prefer manual control over wire feed and voltage settings.
Choose BESTMIG 135A Multi-Process Welder if
- You want a digital display for real-time parameter monitoring.
- You are a beginner who values an included auto-darkening helmet.
- You primarily work with flux-core wire on 110V outlets.
Verdict: Choose the AZZUNO if you need dual-voltage flexibility and aluminum welding capabilities. Pick the BESTMIG if you prefer digital controls and a complete starter kit with safety gear. Both are compact options for light-duty projects.
AZZUNO vs BESTMIG Spec Comparison
Welding processes
The AZZUNO 155A is a five-in-one unit supporting Flux Core, Gas MIG, Aluminum MIG, Stick, and Lift TIG welding. It includes specific modes like SYN, 2T, and 4T for flexible control. The BESTMIG 135A is a three-in-one machine offering MIG, Lift TIG, and Stick capabilities. It focuses on Flux Core MIG for gasless operations. The AZZUNO provides broader versatility by including dedicated Aluminum MIG and Gas MIG processes, which the BESTMIG does not list. If you need to weld aluminum or use shielding gas, the AZZUNO is the clear choice for process range.
Amperage output
Power output is a key spec for penetration and material thickness. The AZZUNO model is rated at 155A, providing higher current capacity than the BESTMIG unit. The BESTMIG 135A offers a true current of 135A. Both machines are designed for home and DIY workshops, but the higher amperage on the AZZUNO suggests it can handle slightly thicker materials or run at higher speeds on thinner gauge metal. For tasks requiring maximum current within this portable class, the AZZUNO holds the advantage in raw power specifications.
Input voltage
Power source compatibility affects where you can use the welder. The AZZUNO features dual-voltage input, supporting both 110V and 220V connections. This allows you to switch between standard household outlets and higher-power circuits for better performance. The BESTMIG 135A is listed with 110V input only. The dual-voltage capability of the AZZUNO offers greater flexibility if you plan to move between different work sites or need to optimize settings for specific materials by using the 220V mode. This makes the AZZUNO more adaptable for varied power environments.
Wire compatibility
Both welders handle standard wire sizes, but the range differs. The AZZUNO supports .030", .035", .040", and .045" wires, including aluminum and flux core options. It accepts spools up to 2 lbs. The BESTMIG is compatible with flux-cored wire from 0.030” to 0.040”. The AZZUNO offers wider compatibility, particularly with larger aluminum wires up to .045” and the ability to handle heavier 2 lb spools. This gives you more options for material selection and reduces the need for frequent wire changes during larger projects.
Portability and weight
Physical dimensions impact how easy the welder is to transport. The AZZUNO measures 13 inches in length, 5.7 inches in width, and 8.5 inches in height, weighing 12 pounds. The BESTMIG 135A is slightly longer at 14.8 inches but narrower at 9.8 inches and shorter at 6.6 inches in height, weighing 10.7 pounds. The BESTMIG is lighter, making it easier to carry for some users. However, the AZZUNO has a more compact footprint in width and height, which might fit better in tight storage spaces. Both are portable, but the BESTMIG wins on weight.
Which Welder Fits Your Needs
Aluminum welding enthusiasts
The AZZUNO supports Aluminum MIG welding, a capability the BESTMIG lacks. It handles .030" to .040" aluminum wire in automatic mode and .045" in manual mode. This versatility makes it the clear choice for projects involving aluminum materials, whereas the BESTMIG is limited to steel and stainless steel.
Beginners seeking ease
The BESTMIG features a full-color LED display for real-time parameter monitoring and auto-adjusting technology. This digital interface simplifies setup for novices. The included auto-darkening helmet and leather gloves add value for new users who need guidance and safety gear without purchasing additional items separately.
Users wanting dual voltage
The AZZUNO operates on both 110V and 220V power sources, offering greater flexibility for different workshop environments. The BESTMIG is listed as 110V only. If you need to switch between standard household outlets and higher-voltage circuits, the AZZUNO provides the necessary electrical adaptability for your tasks.
Budget-conscious DIYers
The BESTMIG includes an auto-darkening welding helmet and leather gloves in the package. The AZZUNO does not list these safety items. For users who need a complete starting kit without buying extras, the BESTMIG offers a more comprehensive accessory set for immediate use on carbon steel and stainless steel.
The products compared
AZZUNO 155A Dual-Voltage MIG Welder
Best for: Aluminum MIG and portable dual-voltage use
- Welding Process
- TIG, Stick, MIG
- Input Voltage
- Dual Voltage
- Material
- Aluminum
- Dimensions
- 13 × 5.7 × 8.5 inches
- Weight
- 12 pounds
View on Amazon: AZZUNO 155A Dual-Voltage MIG Welder Affiliate link
The AZZUNO 155A is a dual-voltage MIG welder offering five welding modes: Flux Core, Gas MIG, Aluminum, Stick, and Lift TIG. It weighs 12 pounds and measures 13 by 8.5 by 5.7 inches. The unit supports SYN, 2T, and 4T MIG modes for flexible control. It handles wire spools up to 2 lbs and accepts various aluminum and flux core wires. This compact machine suits users needing versatile material compatibility in a portable package.
Pros
- Five welding modes including Aluminum MIG and Lift TIG
- Dual 110V/220V input voltage for flexible power sources
- SYN, 2T, and 4T MIG control modes
- Supports wire spools up to 2 lbs
- Compact dimensions of 13 x 8.5 x 5.7 inches
Cons
- TIG torch is not included in the package
- Aluminum welding requires manual mode for .045 inch wire
- Aluminum welding requires torch facing left and right-to-left travel
Good fit if
- You need a single machine for aluminum and steel projects
- You want a lightweight welder under 15 pounds
- You require both 110V and 220V compatibility
Skip if
- You need a ready-to-use TIG setup without buying extra parts
- You prefer automatic voltage adjustment for all aluminum wire sizes
- You need a welder heavier than 15 pounds for stability
Verdict: AZZUNO 155A 5-in-1 MIG Welder fits users who prioritize aluminum welding versatility and portability over a complete out-of-the-box TIG experience.
BESTMIG 135A Multi-Process Welder
Best for: Beginner DIYers needing a complete starter kit
- Welding Process
- TIG, Stick, MIG, Flux Core
- Input Voltage
- 110V
- Features
- IGBT Inverter
- Dimensions
- 14.8 × 9.8 × 6.6 inches
- Weight
- 10.7 pounds
View on Amazon: BESTMIG 135A Multi-Process Welder Affiliate link
The BESTMIG 135A is a 3-in-1 welder supporting MIG, Lift TIG, and Stick processes. It delivers a true 135A output on 110V input, handling materials up to 1/8 inch thick. This portable IGBT inverter weighs 10.7 pounds and includes a digital display for real-time monitoring. It suits beginners needing an all-in-one kit with essential accessories for home or shop use.
Pros
- True 135A output for welding up to 1/8 inch thick metal
- 3-in-1 capability: MIG, Lift TIG, and Stick welding
- Includes ground clamp, electrode holder, torch, helmet, and gloves
- Full-color LED display for real-time parameter monitoring
- Portable design at 10.7 pounds with IGBT inverter technology
Cons
- TIG torch is not included in the standard kit
- Limited to 110V input, restricting portability to compatible outlets
- Lower amperage than the 155A AZZUNO competitor
Good fit if
- You need a complete starter kit with included safety gear
- You primarily weld thin to medium gauge metals at home
- You want a lightweight unit under 11 pounds for easy storage
Skip if
- You require a 220V input option for higher power
- You need a TIG torch included in the box
- You frequently weld materials thicker than 1/8 inch
Verdict: The BESTMIG 135A MIG Welder fits beginners who want a complete, portable solution for light-duty projects. It offers a solid entry point for those prioritizing included accessories and ease of use over maximum power.
Specifications side by side
| Spec | AZZUNO 155A Dual-Voltage MIG Welder | BESTMIG 135A Multi-Process Welder |
|---|---|---|
| Welding Process | TIG, Stick, MIG | TIG, Stick, MIG, Flux Core |
| Input Voltage | Dual Voltage | 110V |
| Material | Aluminum | not stated |
| Features | not stated | IGBT Inverter |
| Dimensions | 13 × 5.7 × 8.5 inches | 14.8 × 9.8 × 6.6 inches |
| Weight | 12 pounds | 10.7 pounds |
| Size | not stated | FLUX Welder 135A |
| Color | not stated | Black-red |
| Model | not stated | FLUX 135 WELDER |
Frequently asked questions
Is the AZZUNO 155A better for aluminum welding?
Yes, if you need to weld aluminum, the AZZUNO 155A is the superior choice. It supports Aluminum MIG welding, a process the BESTMIG 135A does not offer. The AZZUNO handles .030 to .040 inch aluminum wire automatically and up to .045 inch manually. This specific capability makes it essential for projects involving aluminum materials.
Which welder is more portable?
The BESTMIG 135A is slightly more portable due to its lower weight. It weighs 10.7 pounds, while the AZZUNO 155A weighs 12 pounds. Both units are compact inverter designs. The BESTMIG measures 14.8 inches in length, whereas the AZZUNO is shorter at 13 inches. You can easily carry either unit for job site work.
Does the BESTMIG 135A support TIG welding?
Yes, the BESTMIG 135A supports TIG welding along with Stick, MIG, and Flux Core processes. It is a multi-process machine designed for beginners. The AZZUNO 155A also supports Lift TIG, but it is primarily marketed for MIG and aluminum applications. If you need a complete starter kit with TIG capability, the BESTMIG is a solid option.
What is the power difference between these two welders?
The AZZUNO 155A offers higher amperage at 155A compared to the BESTMIG 135A at 135A. The AZZUNO also features dual-voltage input, allowing it to run on different power sources. The BESTMIG operates on 110V input. Higher amperage generally allows for welding thicker materials, making the AZZUNO suitable for slightly heavier duty tasks.
Which welder is better for beginners?
The BESTMIG 135A is often better for beginners who want a complete solution. It includes accessories and offers a straightforward entry point for light-duty projects. The AZZUNO 155A is versatile but prioritizes aluminum welding versatility over a complete out-of-the-box experience. If you are new to welding and want ease of use, the BESTMIG is a practical choice.
Can the AZZUNO 155A run on dual voltage?
Yes, the AZZUNO 155A features dual-voltage input. This allows it to operate on different electrical standards, enhancing its portability for various locations. The BESTMIG 135A is listed as a 110V unit. The dual-voltage capability of the AZZUNO provides flexibility if you need to use the welder in different environments or with varying power supplies.
How do the dimensions compare?
The BESTMIG 135A is wider and taller but slightly longer than the AZZUNO 155A. The BESTMIG measures 9.8 inches wide and 6.6 inches high. The AZZUNO is narrower at 5.7 inches wide and taller at 8.5 inches high. Both units are compact enough for small workshops. You can choose based on which footprint fits your storage space best.