Welding Machines & Accessories

Battery Welder

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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.

SUNKKO 737G+ Battery Spot Welder

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 11500W 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

Image of AWithZ 11500W 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
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Product Highlights

  • ✅ Two types of Trigger Flexibility & Safety: The maximum current is 1,380 A, and the power is 11.5 KW. 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/Button 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 Button batteries (Mode) with tailored settings accessible via the clear control panel.

Cordless Welder Battery Powered Welding Machine With 2 Batteries, Portable MMA DC Welder Machine With LED Display Inverter Stick Welder(Blue)

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Product Highlights

  • ✅ Welding Without Limits: . Our battery powered welding machine includes (2) 20V 8Ah power batteries. Say goodbye to power outlets and hello to endless possibilities. Our this cordless welder that can be used anywhere without a power supply, from elevated work areas to outdoors. Freely switch from convenience to extended runtime.
  • ✅ Hot-Start-Arc-Force & Anti-Stick: With arc welder hot start arc force and anti-stick technology, this battery welder supports for electrode sizes of 1/16'', 3/32'', 1/8'', and 5/32'' in welding, meanwhile increased welding frequency, reduced material damage. Ideal for welding carbon steel, low alloy steel and other metals.
  • ✅ Lightweight & Compact Size: This battery-powered welder’s weight is only 8 lb/3.8kg. Product Size 26.6cm x 15.8cm x22cm. This compact welding machine adapts to any terrain, empowering you to weld where others can't. Offer an ultimate portable welding experience and high performance.
  • ✅ Safety System & Digital Display: Our this battery powered welder with built-in safety features like overheat, over-current, and overload protection, keeping you and your machine safe. Also, this cordless welder owns LED display can help can help you view the data more clearly, such as the current, function mode, and welding mode, welding parameters in any light. Effortlessly adjust current settings on demand, it will be your best reliable welding tool.

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
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Product Highlights

  • ✅ 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

SEESII Battery Spot Welder, Custom Welding Settings, Max 0.15mm Pure Nickel

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Product Highlights

  • ✅ Fully Cordless​: 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; If the product is left unused, please charge it monthly to preserve battery health
  • ✅ 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 (Welding quality closely links to battery charge level)
  • ✅ 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

TLL Battery Powered Welder, Cordless Welder, Portable Welding Machine

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Product Highlights

  • ✅ [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.

SEESII Battery Spot Welder, Durable Aluminum Casing, Max 0.15mm Pure Nickel

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Product Highlights

  • ✅ Wireless, Portable Design: Built-in battery supports cordless operation and easy portability, eliminating cable constraints and enabling flexible use anytime, anywhere
  • ✅ Visual Display Screen: Real-time voltage, gear settings and welding mode are clearly displayed, simplifying operation steps and ensuring accurate adjustments for stable welding effects
  • ✅ 80 Adjustable Gears: Realizes refined welding power regulation, adapting to nickel sheets of different thicknesses with a maximum welding thickness of 0.2mm for nickel-plated sheets and 0.15mm for pure nickel sheets, meeting diverse welding requirements
  • ✅ Reusable Cleaning File: Equipped with a reusable file to remove carbon deposits on the welding tip, maintaining stable welding performance and extending the tip's service life

FNRSI SWM-10 Battery Spot Welder,5000mAh Handheld Portable Welder Machine

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Product Highlights

  • ✅ 【Advanced Double Pulse Technology】‎FNRSI SWM-10 Features a dual-pulse welding system where the first pulse cleans the oxide layer to minimize spark spattering, while the second pulse ensures consistent energy output. This significantly enhances welding stability and creates stronger, cleaner welds for professional-grade results.
  • ✅ 【High-Capacity 5000mAh Battery & 2-in-1 Design】Equipped with premium A-Grade batteries offering a large 5000mAh capacity, allowing you to complete thousands of spot welds on a single charge. Versatile enough, ensuring you stay powered up whether working on battery packs or other devices.
  • ✅ 【Precise Adjustable Output & Wide Compatibility】Offers 4 combination gear adjustments to tailor welding power for materials ranging from 0.1mm to 0.25mm thickness. Ideal for welding nickel strips, iron, stainless steel, and aluminum sheets, making it perfect for battery pack assembly and various DIY projects.
  • ✅ 【Durable Detachable Brass Welding Pen】Designed with a solid, endurable brass welding pen head that is fully detachable. If the head becomes damaged through heavy use, you can simply replace the head instead of the entire pen, saving costs and extending the tool's lifespan for long-term reliability.

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)
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Product Highlights

  • ✅ 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.

HD2 AWithZ Battery Spot Welder with Double-Ended & Replaceable Tips

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Product Highlights

  • ✅ Revolutionary Double-Ended & Replaceable Welding Tips - Say goodbye to wasteful single-use tips. Our innovative double-sided design allows you to flip the tip for extended use, and replace it affordably when needed, dramatically reducing long-term cost and hassle.
  • ✅ Unmatched Control with 90-Level Precision & Dual Pulse Power - Achieve the perfect weld every time. Fine-tune strength across 90 precise levels, powered by dual-pulse technology for strong, consistent results on nickel, steel, iron sheets (up to 0.2mm) .
  • ✅ Engineered for Efficient All-Day Performance - Built with a high-quality A-grade battery and intelligent power management, the HD2 supports extended welding sessions. It recharges quickly via USB-C, ensuring you're always ready for your next project.
  • ✅ Intelligent Safety Ecosystem for Complete Peace of Mind - Focus on your work, not on worries. Our multi-protection system continuously monitors temperature, voltage, and battery health, automatically stopping and alerting you to any potential issues.

Battery Spot Welder with 3700W MAX 1.5" LCD Display

Image of Battery Spot Welder with 3700W MAX 1.5" LCD Display
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Product Highlights

  • ✅ High-Efficiency Welding Performance – Supports up to 1000A output current, capable of welding 0.3mm nickel-plated steel strip, 0.25mm pure nickel, 0.2mm steel, and 0.1/0.15mm copper layers. Achieves 60,000+ welds without bulging, ensuring safe battery and nickel strip connections. Dual-pulse high-current technology delivers high precision for both thin and thick materials.
  • ✅ Interchangeable Dual-Tip Welding Pen – Equipped with removable dual-head welding tips (one fine tip for precision, one durable tip for heavy use), allowing easy pin distance adjustment. Compatible with various material sizes and thicknesses, offering flexible adaptation for both polymer and cylindrical batteries.
  • ✅ High-Capacity Portable Battery – Built-in 2500mAh lithium battery (fully charged in 2.5 hours) supports up to 2,000 welds at the lowest setting. Provides +40% more battery capacity than similar products, extending working time — ideal for outdoor use or batch production.
  • ✅ Safety Protection System – Built-in multiple protections including automatic shutdown for overheating, low temperature, and low voltage. An abnormal alarm system displays low battery or temperature warnings on the screen, enhancing operational safety.
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