Battery Welder

Name: AWithZ 9000W Battery Spot Welder, Rotary Knob Operation 100 Gears Adjustable Foot Pedal Operated, 0.1-0.3mm Spot Welder with Dual Pulse Output, Portable Spot Welder for Making DIY Battery Packs (UK1)
Brand: AWithZ
SKU: B0FGP1C7RG
Price: 59.99 USD
Availability: InStock

December 20, 2019May 15, 2025 - by WelderReview.com - Leave a Comment

We are specifically going to consider the SUNKKO pulse spot welder that is one of the excellent battery welders with amazing features. The battery welder will be a suitable choice when dealing with 0.05 to 0.2 mm nickel-plated strips. This is relatively a smart welder regarding the convenience and the power requirements that it will be supported with.

The battery welder can be used in spot welding, battery testing, and also for the battery charging! All these are the practical applications of the battery welder. The battery welder is controlled by pushing the welding head up or monitoring by the foot pedal. This is a simple way to control the battery welder. The operational features are easy to operate, and it will be a great asset for home welding.

Battery welder is very cheap! It is inexpensive, and therefore it won’t break your bank. Most clients at the platforms such as Amazon are happy with the great welder. It accords convenience and will still deliver perfect welds suitable for their application! It’s a lovely choice welder that you can depend on for small scale welding!

Many companies are manufacturing battery welders. You need to be keen when choosing one! Not all the battery welders are the best, and it will be essential to pick one with accessible operational features, durable and also sturdy! All these are the basics that will lead you to select a smart welder!

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Best Battery Welder Deals

AWithZ 9000W Battery Spot Welder, Rotary Knob Operation 100 Gears Adjustable Foot Pedal Operated, 0.1-0.3mm Spot Welder with Dual Pulse Output, Portable Spot Welder for Making DIY Battery Packs (UK1)

Image of AWithZ 9000W Battery Spot Welder, Rotary Knob Operation 100 Gears Adjustable Foot Pedal Operated, 0.1-0.3mm Spot Welder with Dual Pulse Output, Portable Spot Welder for Making DIY Battery Packs (UK1)

$59.99 @ Amazon.com

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Key Features

✅ Two types of Trigger Flexibility & Safety: Seamlessly switch between hands-free foot pedal operation and precise hand control (Trigger) for versatile workflows and enhanced safety when handling sensitive batteries.
✅ Intelligent Thermal Protection: Built-in safety monitors battery temperature (Cont), automatically halting welding (Trigger disable) and alerting you if overheating is detected, preventing damage. If there is no operation for 8 minutes, the spot welder will automatically shut down.
✅ Ultra-Low Power Consumption: Engineered for exceptional energy efficiency , significantly extending standby time between uses and reducing operational costs. Precision 100-Level Power Control: Fine-tune welding strength for delicate tasks (like phone/bluetooth batteries) or robust jobs (cylindrical power cells) with our intuitive rotary knob.
✅ Multi-Mode Welding for Diverse Batteries: Expertly weld cylindrical power batteries, mobile phone batteries, and Bluetooth batteries (Mode) with tailored settings accessible via the clear control panel.
✅ Simple Rotary Knob Operation & Clear Interface: Effortlessly adjust settings (Gear, Trigger Time, Mode, Number of continuous spot welds) using the large rotary knob and clearly labeled control panel for ultimate user-friendliness.

Product Details

Brand:	AWithZ
Model:	UK1

Docreate Battery Spot Welder, 11 Gear Adjustable Handheld Spot Welder, Automatic and Manual Modes, Welding Plated Nickel Sheets 0.1-0.25mm，for DIY 18650 Battery, Welding Nickel Sheets, Iron

Image of Docreate Battery Spot Welder, 11 Gear Adjustable Handheld Spot Welder, Automatic and Manual Modes, Welding Plated Nickel Sheets 0.1-0.25mm，for DIY 18650 Battery, Welding Nickel Sheets, Iron

$26.99 @ Amazon.com (Save 10%)

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Key Features

✅ 【Portable Handheld Spot Welder】: Spot welder and weld pin in one; interchangeable weld pins; designed for easy one-handed operation; great for home and outdoor use, ideal for use as a professional or hobbyist spot welder. Weighing 142.4 grams and measuring 7.72 inches long by 1.62 inches wide, this spot welder is extremely lightweight and compact
✅ 【11 GEARS ADJUSTABLE】：provides automatic and manual dual mode, dual pulse output, you can choose the mode that suits you.0.10mm nickel plated ~ 0.25mm nickel plated soldering without worry, suitable for 18650/26650/36650 and other cylindrical batteries, soldering thickness up to 0.25mm!
✅ 【LED Display】: LED light display, operation at a glance, manual/automatic switching, power display, 11 adjustable gears, the device is equipped with an intelligent internal temperature detection system, when the temperature of the device is detected to be higher than 65 ° C, the device will cut off the charging input and prohibit spot welding until the temperature is lower than 63 ° C to return to normal!
✅ 【Automatic/manual modes are adjustable by one key】： Automatic mode: Simply place the two pins of the spot welder in the desired position and the pen will weld automatically. The welding pins should be at 45°-60° to the welding surface. Manual Mode: Adjust the parameters, put the two welding pins of the spot welder on the desired position, hold the side of the spot welder with one hand, tilt the welding pins with the welding surface at 45°-60°, and then press the weld button on the side to finish the welding with one hand.
✅ 【Multi-function spot welder】:If professionally designed spot welder, compact and portable for home or outdoor small welding, battery repair or DIY welding enthusiasts can use it. Package comes with accessories (1 handheld spot welder, 1 pen cap, 2 meters of nickel-plated plate, 1 sheet of sandpaper, 2 copper pins, 1 Type-c charging cable, 1 manual) can be given to your loved ones/family/friends.

Product Details

Brand:	Docreate
Model:	Battery Spot Welder
Color:	Battery Spot Welder, Black

LUOYIILEA Capacitor Battery Spot Welder, Replacement for UF20B, 10.5KW 3-in-1 Spot Welder with Foot Pedal for 18650/LiFePO4 Lithium Battery Pack Building

Image of LUOYIILEA Capacitor Battery Spot Welder, Replacement for UF20B, 10.5KW 3-in-1 Spot Welder with Foot Pedal for 18650/LiFePO4 Lithium Battery Pack Building

$169.99 @ Amazon.com

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Key Features

✅ 3-IN-1 WELDING MODES & FOOT PEDAL - Experience ultimate flexibility with Auto, Manual, and Foot Pedal modes. The included foot pedal allows for hands-free operation, making precise probe positioning easier and significantly boosting your welding efficiency
✅ 10.5KW HIGH POWER & SUPER CAPACITOR - Leverage a maximum pulse welding power of 10.5KW for strong, reliable welds. Equipped with built-in super energy storage capacitors and a brand new MOS system for stable, sustainable operation without circuit interference or tripping issues
✅ QUICK START & WIDE VOLTAGE - Get ready to weld in just 5 minutes! Features a wide voltage input of 100-240V and a 15amp high-current adapter for fast charging. This spot welder can be used with power supplies anywhere in the world
✅ WIDE APPLICATION & 99 ADJUSTABLE GEARS - Perfect for building or repairing battery packs, including 18650, 21700, 14500, and LiFePO4 batteries. With 99 adjustable gears, it can handle various materials like nickel sheets, stainless steel, and iron sheets, achieving a weld thickness up to 0.4mm
✅ USER-FRIENDLY DESIGN & TOUCH SCREEN - Operate with ease thanks to an intuitive touch screen interface and one-click start function. The detachable spot welding pen features a comfortable button for manual mode and is designed for easy tip replacement

Product Details

Brand:	Luoyiilea
Model:	UF20B
Color:	Black
Dimensions:	7.092 X 3.546 X 3.152 inches

SEESII Battery Spot Welder: Rechargeable Battery Welder with Visual Display, 3360W Max Power with 1-99 Gears, Copper Tips, Portable Spot Welder for Lithium Battery (DIY, Repairs, Outdoor Use)

Image of SEESII Battery Spot Welder: Rechargeable Battery Welder with Visual Display, 3360W Max Power with 1-99 Gears, Copper Tips, Portable Spot Welder for Lithium Battery (DIY, Repairs, Outdoor Use)

$40.99 @ Amazon.com

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Key Features

✅ Built-in Rechargeable Battery: Say goodbye to tangled power cords—grab this spot welder and work anytime, anywhere; Note: For optimal performance, fully charge it to 100% before first use
✅ Strong Welding Capacity: With a maximum output power of 3360W, the mini spot welder stands out among handheld models; tested to weld nickel-plated sheets up to 0.2mm thick or pure nickel sheets up to 0.15mm thick
✅ Visual Display Screen: An intuitive display greatly boosts convenience, letting you monitor the welding process, device temperature, and remaining battery at all times
✅ Precise Gear Adjustment: With 99 fine-adjustment gears available, the spot welding equipment perfectly meets your diverse welding needs for different materials and thicknesses
✅ Auto/Manual Dual Modes: Choose freely between auto welding and manual trigger welding based on your needs—adapts to various scenarios for greater convenience

Product Details

Brand:	Seesii
Model:	SE302

8000W Spot Welder,Handheld Spot Welder,Portable Spot Welder Machine DIY Kit,High Power Handheld Spot Welding Machine,with nickel strip and spot welding pen,for 18650 Battery Pack Welding Tools

Image of 8000W Spot Welder,Handheld Spot Welder,Portable Spot Welder Machine DIY Kit,High Power Handheld Spot Welding Machine,with nickel strip and spot welding pen,for 18650 Battery Pack Welding Tools

$49.99 @ Amazon.com

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Key Features

✅ 🚀【8000W Battery Spot Welder】:The upgraded spot welder with Dual Pulse Output, foot pedal welding mode which can easily weld 0.1-0.3mm thick nickel sheets, you can finish the welding work easily and efficiently, the welding spot is nice and elegant. Can be used for spot welding of batteries, hardware, and electronic components. Screen size is 2.5 X1 CM, Soldering pen Length is 350mm. Sot welder LXWXH 15X9.5X6 CM
✅ 🔋【1-9 Level Knob Adjustment】:The adjustable spot welder can weld thousands of points continuously on nickel sheet after full charge,the solder pins of the adjustable spot welding machine can be removed and replaced, easy installation and operation.The mini spot welder with 9 Level output power adjustment design, you can adjust the output power 0-800A by turn the knob, the larger the value, the higher the output.
✅ 🚀【Easy to Use】:The solder pins of the adjustable spot welding machine can be removed and replaced, easy installation and operation.The DIY battery spot welder machine is foot switch controls welding, spot welding is more arbitrary. Just press the nickel belt with two soldering pens and step on the foot switch. Wait for about 0.5 seconds for output spot welding,then release the foot switch.suitable for precise welding.
✅ 💌【Warm Tips for Beginner】: LCD Screen Display,The battery voltage level is the key factor affecting the spot welding effect.Our spot welder screen can display the internal voltage of the product in real time,it is very convenient for you to check and charge in time.The product should be fully charged before first use, please charge when the voltage on the screen falls below 7.3V.
✅ 📞【Wide Application & Warranty】 The spot welder with large output power can be used to connect nickel strips of 18650 lithium battery, or spot welding iron sheets, stainless steel sheets. And it is also suitable for welding 0.1-0.15mm nickel plated steel sheet and 0.1mm pure nickel sheet quickly. In the process of using the spot welder, please feel free to contact us if you have any quest.

Product Details

Brand:	Docreate
Model:	SKU930645-US
Color:	8000w Spot Welder, Black

14.6 KW Capacitor Battery Spot Welder, AWithZ Spot Welder, 2-in-1 Automatic & Foot Pedal Two Modes Battery Farad Welding Equipment for 18650/LiFePO4 Lithium Battery Pack Building (P20B)

Image of 14.6 KW Capacitor Battery Spot Welder, AWithZ Spot Welder, 2-in-1 Automatic & Foot Pedal Two Modes Battery Farad Welding Equipment for 18650/LiFePO4 Lithium Battery Pack Building (P20B)

$289.99 @ Amazon.com

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Key Features

✅ 5 Minute Quick Start Spot Welder: We use a wide voltage input of 100-240V and an adapter of 15amp high current for fast charging Connect the spot welding machine to the power supply using our adapter, and quickly reach the spot welding mark within 5 minutes (the display screen shows OK for spot welding), which can be used anywhere in the world.
✅ 2 IN 1Mode: Our spot welding machine has automatic mode and foot pedal mode. The automatic mode is adjusted to the appropriate gear, and the spot welding pen can be inserted to start working immediately. Foot pedal mode, It is so much easier to position the probes for your welds when you are using the foot pedal. It gives you ample time to get everything set perfect before welding. step on the foot pedal and the spot welding pen will output once, which is very convenient.
✅ Wide Application Range: A well made, compact spot welder. Not only for battery pack work, such as cylindrical batteries such as 18650/14500/21700, but even LiFePO4 batteries, industrial batteries, etc. And it can also be used for spot welding of different materials, for example, such as 0.6mm nickel plated sheet, 0.6 stainless steel sheet, 0.6 iron sheet, 0.3 pure nickel sheet, 0.2 copper sheet, etc. There are 999 adjustable gears, with different gear requirements for different materials.
✅ Professional Battery Spot Welder: Equipped with 2 built-in super energy storage capacitors, Ultra capacitors have many thoughts of cycle life, and the maximum pulse welding power can reach 14.6KW. It is a brand new MOS, with no interference to the circuit or tripping issues, stable and sustainable operation, making it the best choice for professionals and DIY enthusiasts.
✅ Random Bending Spot welding Pen Lead: The lead is very soft and can be bent freely without dragging the spot welding machine. The lead wire is 60 centimeters long, very suitable for our operation. The lead pins can be disassembled and replaced, and we have paired them with 6 pairs of replacement pins. When using the high gear continuously, the temperature of the lead is close to our hand temperature, but it will not harm us.

Product Details

Brand:	AWithZ
Model:	P20B

Capacitor Battery Spot Welder, AWithZ UF20B 10.5KW Spot Welder, 3-in-1 Auto & Manual & Foot Pedal Three Modes Welding Equipment for 18650/LiFePO4 Lithium Battery Pack Building with Foot Pedal

Image of Capacitor Battery Spot Welder, AWithZ UF20B 10.5KW Spot Welder, 3-in-1 Auto & Manual & Foot Pedal Three Modes Welding Equipment for 18650/LiFePO4 Lithium Battery Pack Building with Foot Pedal

$169.99 @ Amazon.com (Save 11%)

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Key Features

✅ 5 Minute Quick Start Spot Welder: We use a wide voltage input of 100-240V and an adapter of 15amp high current for fast charging Connect the spot welding machine to the power supply using our adapter, and quickly reach the spot welding mark within 5 minutes (the display screen shows OK for spot welding), which can be used anywhere in the world
✅ 3-in-1 Mode: Our spot welder has an automatic mode and a manual mode, as well as a foot pedal mode. The automatic mode is where you adjust to the proper setting, insert the spot welder and start working immediately. Manual mode is to adjust to the manual mode, press the button on the spot welding pen will output once. Foot Mode, when you use the foot pedal, the positioning of the soldering probe is much easier. It is very convenient to step on the foot pedal and the spot weld pen will output a signal once
✅ Wide Application Range: A well made, compact spot welder. Not only for battery pack work, such as cylindrical batteries such as 18650/14500/21700, but even LiFePO4 batteries, industrial batteries, etc. And it can also be used for spot welding of different materials, for example, such as nickel plated sheet, stainless steel sheet, iron sheet, 0.2 nickel-plated and 0.2 nickel-plated butt-welded to achieve a material thickness of 0.4mm. There are 99 adjustable gears, with different gear requirements for different materials
✅ Professional Battery Spot Welder: Equipped with built-in super energy storage capacitors, Ultra capacitors have many thoughts of cycle life, and the maximum pulse welding power can reach 10KW. It is a brand new MOS, with no interference to the circuit or tripping issues, stable and sustainable operation, making it the best choice for professionals and DIY enthusiasts. But please, you must use it by connecting it to the wall power and charging it while using it, because the Faraday capacitor stores very little electricity and will be consumed within a minute or two
✅ Product design: The exterior design is rounded with no corners, so it won't hurt when a body part touches it. The shell is made of aluminum alloy, comfortable to the touch, beautiful appearance, not easy to scratch, but also has a flame-retardant nature, very safe

Product Details

Brand:	AWithZ
Model:	UF20B

TLL Battery-Powered Stick/Flux Core Welder, Cordless Welder, ARC MMA DC Welder Machine, Portable Welding Machine, with Hot Start Arc Force Anti-Stick (Not Include Flux Core Welder Gun) (ZW-160)

Image of TLL Battery-Powered Stick/Flux Core Welder, Cordless Welder, ARC MMA DC Welder Machine, Portable Welding Machine, with Hot Start Arc Force Anti-Stick (Not Include Flux Core Welder Gun) (ZW-160)

$418.98 @ Amazon.com

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Key Features

✅ [WELD ANYWHERE]: Battery-powered welder that can be used anywhere without a power supply, From elevated work areas to outdoors, our compact, lightweight welder adapts to any terrain, empowering you to weld where others can't.! Up to 120 A output on battery power, Includes (2) 20V 8Ah batteries. The welding machine supports an external DC power supply with a voltage range of 36-84V. Freely switch from convenience to extended runtime, welding without limits. The battery is also Compatible with Makita interface 20V tools (not compatible with Makita tools), Improving battery utilization.
✅ [2-IN-1 WELDER]: Stick/Flux Core Welding (Flux Core Welding Need to buy an extra Flux Core Weld Spool Gun). Stable output current, professional welding effect. Powerful arc force provides smoother welding and deeper penetration, keeps arc stability, and smooth weld, has pretty nice beads, and achieves perfect welding. It performs well with most 6010, 6011, 6013, and 7018 rods in Arc Welding mode.
✅ [DIGITAL DISPLAY]: Compared to other traditional displays, our intelligent LED display can help you view the data more clearly, such as the current, function mode, and welding mode. Give you a better welding experience. It has overheat protection, overcurrent protection, and overload protection, is safer and reliable, has memory storage for welding parameters, and is ideal for hobbyists, home DIY, learning new skills, and general maintenance work.
✅ [HOT START ARC FORCE ANTI-STICK]: Arc welder hot start arc force anti-stick, for 1/16,1/8,3/32,5/32 in Welding Rod, welding material thickness 0.06in-0.2in, perfect suit for welding stainless steel/carbon steel/low alloy steel, if you want to weld stainless steel, it is recommended that you use a special welding electrode for stainless steel. Can achieve the perfect weld. Reduce the damage of Copper and Iron, obviously increase the welding frequency, and be more energy efficient.
✅ [LIGHTWEIGHT PORTABLE & GOOD HEAT DISSIPATION ]: Weight only 8.38 lb/3.8kg! Product Size 26.6cm x 15.8cm x22cm. Welder machine with high-performance fan, powerful heat dissipation to keep cool. The heat dissipation area is larger than that of a metal welding machine. It can be continuously welded for a long time. ABS material is stronger than iron shell in terms of heat dissipation and insulation. Lightweight and portable battery-powered welder.

Product Details

Brand:	TLL
Model:	ZW-160

ESAB® Renegade VOLT™ ES 200i Battery-Powered Stick and TIG Welder

N/A @ Amazon.com

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Key Features

✅ 200 A output on AC mains (230V)
✅ Up to 140 A output on battery power
✅ Includes (4) DeWALT FLEXVOLT 20V/60V 12Ah batteries
✅ AMP+ hybrid mode for extra power
✅ Lightweight and portable battery-powered welder

Product Details

Brand:	ESAB
Model:	447800880
Color:	Black/Yellow
Dimensions:	19 X 9 X 19 inches
Warranty:	Manufacturer Warranty

Battery Spot Welder, AWithZ 1.5" LCD Screen Recyclable 11000mAh Spot Welder, 99 Gears Adjustable Battery Welder, Mini Spot Welder for 18650 Battery (11000mAh)

Image of Battery Spot Welder, AWithZ 1.5" LCD Screen Recyclable 11000mAh Spot Welder, 99 Gears Adjustable Battery Welder, Mini Spot Welder for 18650 Battery (11000mAh)

$65.99 @ Amazon.com

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Key Features

✅ Widely Used Spot Welder: With one of our battery spot welder, you can regain your life by replacing damaged electronic devices with batteries (such as handheld drills), saving you money and protecting the environment. You can also build battery packs, such as electric bicycle battery packs, 18650 battery packs, etc. You can also make a hook on a metal product and have many other uses
✅ Upgrade of Spot Welder Function: Increase the number of continuous spot welding times. We can continuously spot weld twice, allowing the spot welding machine to weld thicker materials, allowing you to use a wider range
✅ High Capacity Battery: Our battery spot welder has a high capacity of 11000mAh, and charging only takes 3 and a half hours. The spot welding machine has 99 adjustable gears, suitable for different materials, such as spot welding mobile phone batteries with gears ranging from 1.0 to 3.9, materials with thicknesses ranging from 0.1 to 0.15 ranging from 4.0 to 7.0, and materials with thicknesses ranging from 0.15 to 0.25 ranging from 7.1 to 9.9
✅ Large LCD Screen: 1.5-inch large LCD screen, making it easier to see the content on the screen clearly and clearly. It has a large remaining battery mark, temperature, gear, trigger time, and continuous spot welding times
✅ Exquisite Packaging: Our spot welding machine packaging products include a spot welder, 2M nickel plated sheet, 50cm Type-c cable, 40cm pair of spot welding pens, a piece of frosted paper, and a complete set of spot welding preparations. All you need to do is prepare your welding battery, and you can enjoy the joy of DIY. A great gift for your husband, boyfriend, and friends who love DIY batteries

Product Details

Brand:	AWithZ
Model:	11000mAh

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AWithZ 9000W Battery Spot Welder, Rotary Knob Operation 100 Gears Adjustable Foot Pedal Operated, 0.1-0.3mm Spot Welder with Dual Pulse Output, Portable Spot Welder for Making DIY Battery Packs (UK1)

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Docreate Battery Spot Welder, 11 Gear Adjustable Handheld Spot Welder, Automatic and Manual Modes, Welding Plated Nickel Sheets 0.1-0.25mm，for DIY 18650 Battery, Welding Nickel Sheets, Iron

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LUOYIILEA Capacitor Battery Spot Welder, Replacement for UF20B, 10.5KW 3-in-1 Spot Welder with Foot Pedal for 18650/LiFePO4 Lithium Battery Pack Building

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SEESII Battery Spot Welder: Rechargeable Battery Welder with Visual Display, 3360W Max Power with 1-99 Gears, Copper Tips, Portable Spot Welder for Lithium Battery (DIY, Repairs, Outdoor Use)

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8000W Spot Welder,Handheld Spot Welder,Portable Spot Welder Machine DIY Kit,High Power Handheld Spot Welding Machine,with nickel strip and spot welding pen,for 18650 Battery Pack Welding Tools

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14.6 KW Capacitor Battery Spot Welder, AWithZ Spot Welder, 2-in-1 Automatic & Foot Pedal Two Modes Battery Farad Welding Equipment for 18650/LiFePO4 Lithium Battery Pack Building (P20B)

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Capacitor Battery Spot Welder, AWithZ UF20B 10.5KW Spot Welder, 3-in-1 Auto & Manual & Foot Pedal Three Modes Welding Equipment for 18650/LiFePO4 Lithium Battery Pack Building with Foot Pedal

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TLL Battery-Powered Stick/Flux Core Welder, Cordless Welder, ARC MMA DC Welder Machine, Portable Welding Machine, with Hot Start Arc Force Anti-Stick (Not Include Flux Core Welder Gun) (ZW-160)

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ESAB® Renegade VOLT™ ES 200i Battery-Powered Stick and TIG Welder

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Battery Spot Welder, AWithZ 1.5" LCD Screen Recyclable 11000mAh Spot Welder, 99 Gears Adjustable Battery Welder, Mini Spot Welder for 18650 Battery (11000mAh)

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