bestarc MIG145 4-in-1 Welder – 110/220V Flux Core MIG, TIG & Stick

All-in-one welding versatility

Meet the bestarc MIG145, a compact welding system that fuses MIG solid wire welding, gasless flux core welding, Lift TIG, and Stick welding into a single 4-in-1 machine. Weighing roughly 13.7 pounds, it balances portability with capable performance for a range of metalworking tasks, from quick repairs to more involved fabrication projects.

Four welding modes in one machine

• MIG welding with solid wire for clean, precise beads on stainless and carbon steel
• Gasless flux core MIG for outdoor or windy conditions where shielding gas is impractical
• Lift TIG for controlled welding of thinner materials and detail work
• Stick welding for thicker sections or versatile on-site repairs

The unit supports common wire sizes such as 0.030, 0.035, and 0.040 inches, and works with solid ER70S-6 wire or flux core E71T-GS wire, expanding its compatibility across project types and material thicknesses.

Smart control and a clear display

• Synergic control with an IGBT inverter automatically tunes voltage and wire feed speed for easy starts and steady arc performance
• Fine tune capability lets you adjust the welding current and voltage within a small range for precise results
• Large LED digital display shows key parameters at a glance, reducing the need to remove your helmet to check status

With these features, beginners can gain confidence quickly while seasoned welders appreciate the ability to tailor settings for different welds without switching machines.

Power that travels with you

• Dual voltage support detects 110 V or 220 V input automatically, adapting to the available power without manual reconfiguration
• Portable design weighs just over 13 pounds and includes a shoulder strap for convenient transport to job sites or outdoor work

Whether you are in a home workshop or tackling field projects, the MIG145 aims to keep you productive in a variety of environments. It is designed to deliver consistent performance with solid construction and a streamlined control surface that prioritizes ease of use.

What’s in the box

• 1× MIG145 Welder
• 1× MIG torch
• 1× Earth clamp
• 1× Stick holder
• 1× 0.040 inch flux cored wire
• 1× 0.030 inch solid wire
• 1× 0.030/0.035/0.040 inch contact tips
• 1× 0.030/0.035 inch wire feed rollers
• 1× 2 meters hose
• 1× 220V to 110V wire adapter
• 1× Shoulder strap
• 1× User manual

Real-world uses and benefits

• Ideal for simple metal repairs, automotive projects, and hobby fabrication
• Outdoor welding with flux core increases flexibility when shielding gas is unavailable
• Compact footprint makes it suitable for small garages or mobile workshops