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We're Moving! Please note we will be moving into a new location to service you better. We will try and make this as seamless as possible however we do apologize for any delays that may be caused.

Fronius Battery Powered Stick Welder 

Arc stability without a grid connection? No problem! The Fronius AccuPocket 150 is a lightweight, extremely portable, battery powered welder that is the ideal choice for mobile welding and repair. There's no need for a big gas drive with heavy leads, just throw this 25 pound unit over your shoulder and take it wherever you need. This package includes a sturdy wheeled tool case that will hold the unit along with all of your accessories, and can easily be thrown in the back of a truck.

The most obvious benefit of the Fronius battery powered welder is the extreme portability. The less obvious benefit, is that creating an arc based on pure DC power provides characteristics that are simply unachievable when using traditional AC power with an inverter or transformer. It is truly remarkable how little spatter is produced when welding with the Fronius AccuPocket 150.

Features at a Glance:

  • Burn up to 22 rods on a single charge
  • Advanced arc features not available from any other machine
  • Outstanding welding properties due to AccuBoost technology
  • Operates between 10-140 amps
  • Extremely portable

If you want a battery powered TIG welder, check out the Fronius AccuPocket TIG.

Battery Powered Operation

The Fronius AccuPocket battery powered welder is powered by a rechargeable Lithium Iron Phosphate (LiFePO4) battery, which ensure absolutely no decay in performance even when the welder is seconds away from hitting zero charge. From a full charge, you can expect to burn 8 rods of 1/8" 7018, or 18 rods of 3/32" 7018 with no need for external power. This can also be conceptualized as being able to weld 63 inches of steel on battery alone. To charge from 0-80% requires just 30 minutes when plugged in to a household outlet.

The arc always draws its power directly from the battery, even when plugged in. This effectively eliminates the chance of tripping a household breaker, and greatly reduces the size of generator required for operation. Pair this unit with a small Westinghouse generator, and you become unstoppable!

To give the AccuPocket the proper charge it needs, it comes with a robust, heavy-duty ActiveCharger with the latest advanced electrical charging technology. The ActiveCharger has a simple menu with the ability to activate fast charge, hybrid mode, standard charge, or full trickle charge


how fronius battery powered welder can operate with and without plug


Arc Perfection

The arc characteristics of the AccuPocket 150 are unlike anything we have ever tested. A traditional stick welder plugs in to the wall (AC power) and converts it to DC power. The Fronius AccuPocket is powered by batteries, which means it draws from DC power in it's absolute purest form. The weld engineers at Fronius have cleverly exploited this unique attribute to create weld properties that are impossible with conventional non-battery appliances. The end result is superior ignition properties, as well as unbelievable arc stability and dynamics.

AccuBoost Technology

We can't stress just how much easier AccuBoost makes stick welding. While testing the product, people that have never welded in their lives were burning electrodes end to end on the first strike. Firstly, the internal electronics utilize the high currents from the battery to minimize electrode-sticking very effectively. Secondly, AccuBoost uses the electronically enhanced output voltage of the battery to prevent the arc from breaking. This technology is only possible with a battery powered welder, you won't find it on any other machine.

Graph showing the relationship between amperage and voltage when stick welding with fronius battery powered welder using AccuBoost technology

  • Y: High-performance battery provides exectionally high short circuit currents for short periods so the electrode does not stick.
  • X: High welding voltage achieved by a harmonious balance between the battery and welding electronics resulting in no arc break.

Anti Stick

We've all been there; your rod sticks to the work and won't come loose no matter what you do. The rod will glow red if you don't remove it, or even arc to the stinger if you do remove it. With the Fronius AccuPocket battery powered welder, simply turn on Anti-Stick, and the arc will automatically extinguish if a short circuit is detected. The end result, is that the rod is barely stuck to the work. Unclamp the stinger, grab the electrode with your hand, and bend it backwards. The rod will snap right off without a fuss, ready for re-ignition. 

HotStart and SoftStart

HotStart/SoftStart gives the user the ability to strike an arc at an elevated or reduced percentage of background amps for a set amount of time. For example, with a 6010 electrode, you may want to strike an arc with 130% of the set amperage for the first 0.7 seconds before dropping down to the desired amperage.

Fronius AccuPocket’s HotStart feature is a precise electrode ignition system that optimizes ignition behavior with electrodes such as cellulose and rutile rods. The HotStart uses Fronius advanced technology to deliver a momentary surge of clean DC current when striking the electrode. HotStart allows the welder to establish a perfect molten weld pool on a cold work piece, which in turn greatly reduces the likelihood of the electrode sticking to the work piece. HotStart is particularly beneficial when re-striking an arc on a joining weld/over-lap. This will give the finished weld a clean, consistent and uniform look.

The SoftStart feature is a great way to give the user a soft stable arc upon ignition for basic electrodes that ignite at much lower welding currents. The AccuPocket’s Advanced built-in battery system allows the unit to momentarily lower the preset welding DC current during arc ignition on low current electrode allowing it to produce a more fluid weld puddle.
graph explaining how fronius soft start controls amperage when striking a weld

Dynamic Continuously Adjustable DCA

DCA is the Fronius AccuPocket’s delivery of arc force/arc control/dig in one advanced dynamic system. When the Fronius AccuPocket senses a short-circuit, it will deliver a spike of DC current to maintain a smooth, fluid, and clean weld pool. This enables the ability to adjust operation of the Stick electrode to achieve more/less penetration into the weld joint. This simple but advanced ability to adjust the amount of DCA is used to greatly enhance arc stability, and reduce sticking.

AccuPocket Set Includes:

  • Fronius AccuPocket 150/400 battery powered welder
  • ActiveCharger with power cables
  • Heavy-duty hard case with transport wheels and shoulder carry straps
  • Welding accessories
    • Welding stinger with 13ft. leads
    • Ground clamp with 13ft. leads
    • Fixed shade handheld face shield
    • Fronius brand chipping hammer
    • Wire brush


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