Welding Machines & Accessories

SUNKKO 709AD+ Pulse Spot Welder for Battery Pack with Intelligent Welding Function High Power Battery Spot Welder & Soldering Station

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SUNKKO 709AD+ Pulse Spot Welder

SUNKKO 709AD+ Pulse Spot Welder can be controlled by micro-computer for precise welding and increased welding consistency in welding power controller.

SUNKKO 709AD+ Pulse Spot Welder has inductive discharging welding mode and you don’t need to control by pedal to weld.

This is an advanced and quality spot welder that will weld immediately when welding head touches welding object.

SUNKKO 709AD+ Pulse Spot Welder comes in a 4-in-1 design for welding and soldering in one machine with multiple function to make electronic product. It has fixed welding head and moveable welding pen mode to suit for little component and large parts to weld.

Product Link: https://www.amazon.com/dp/B073H14G42/

Features

  • It will weld immediately when welding head touch welding object.
  • 4 in 1 design for welding and soldering in one machine with multiple function to make electronic product.
  • There are fixed welding head and moveable welding pen mode to suit for little component and large parts to weld.
  • The whole new inductive discharging welding mode. It is no need to be controlled by pedal control to weld.
  • It is controlled by micro-computer for precise welding and increased welding consistency in welding power controller.

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Best Sunkko 709ad Pulse Spot Welder Deals

SUNKKO 709Plus Battery Spot Welder Transformer Pulse Spot Welding Machine, Portable Multifunctional Battery Welding Equipment for 18650 14500 Lithium Battery Pack Building

Image of SUNKKO 709Plus Battery Spot Welder Transformer Pulse Spot Welding Machine, Portable Multifunctional Battery Welding Equipment for 18650 14500 Lithium Battery Pack Building

$273.00 @ Amazon.com

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Key Features

  • ✅ Sunkko New Model - 709Plus

Product Details

Brand:SUNKKO
Model:hsw-00037

SEESII Battery Spot Welder: 9600mAh Cordless Battery Welder, 0.1-0.3mm Nickel Strip Compatibility, LCD Display, 10-90 Adjustable Gears, Foot Pedal Control, for Battery Packs DIY & Repair

Image of SEESII Battery Spot Welder: 9600mAh Cordless Battery Welder, 0.1-0.3mm Nickel Strip Compatibility, LCD Display, 10-90 Adjustable Gears, Foot Pedal Control, for Battery Packs DIY & Repair

$64.99 @ Amazon.com

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Key Features

  • ✅ Built-in 9600mAh Rechargeable Battery​: No more tangled power cords! Grab this spot welder and work anytime, anywhere; Note: For optimal performance, fully charge it to 100% before first use
  • ✅ Upgraded 0.1-0.3mm Battery Spot Welder: Dual pulse + pedal control for effortless welding of 0.1-0.3mm nickel plates; Perfect for batteries, hardware & electronic components
  • ✅ LCD Display: Real-time battery voltage readout—key for great welding! Easily check levels and recharge (Please charge when below 7.3V)
  • ✅ Easy to Operate: Compact & lightweight (saves home space)—easy to take anywhere; Press the foot switch: red light flashes 3x fast, one power output = welding done!
  • ✅ Beginner-Friendly Tips: 1. Charge fully upon receipt, then practice multiple times to find the right welding strength; 2. Do not touch the two-pin clamp during use—risk of internal fuse explosion and equipment damage

Product Details

Brand:Seesii
Model:SEE-08
Dimensions:1 X 1 X 1 inches

Seesii Spot Welder and Heat Gun Kit: 10080W Power Spot Welding Machine with 3000F Capacitors & 999 Gear for 0.1-0.5mm Nickel Plated Strips, 350W 2-Temp Settings Mini Heat Gun for Battery Packs

Image of Seesii Spot Welder and Heat Gun Kit: 10080W Power Spot Welding Machine with 3000F Capacitors & 999 Gear for 0.1-0.5mm Nickel Plated Strips, 350W 2-Temp Settings Mini Heat Gun for Battery Packs

$189.99 @ Amazon.com

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Key Features

  • ✅ All-in-One Battery Spot Welder and Heat Gun Kit: Seesii spot welder and heat gun kit provides a comprehensive solution for spot welding battery packs and shrinking PVC. The ultimate battery spot welder and mini heat gun combo, designed for creating perfect batte ry packs with precise results.
  • ✅ Stable and Powerful Performance: Featuring 1500 F dual farad capacitors, 1800A high current, and 10080W max pulse energy, the spot welding machine delivers powerful and stable welding performance. The 350W fast heat hot air gun tool offers dual temperature settings (LOW 400°F (200°C) and HIGH 670°F (350°C)) for versatile applications.
  • ✅ Maximum Flexibility: Switch between Auto mode for fast, effortless welding or Pedal mode for more independent and controlled operation. Seesii battery spot welder handles nickel-plated 0.5mm, pure nickel 0.3mm, copper 0.15mm, and steel 0.3mm, and offers 999 GEAR settings, so you’ll always have the power needed for any project.
  • ✅ Perfect for DIYers and Professionals: Whether you're a DIY enthusiast or a professional in a small workshop, Seesii Spot Welder Kit provides everything you need for battery spot welding, repairing metal, and building custom battery packs. The 2.4" LCD screen provides clear current display, and the 5-minute quick charge ensures you're always ready to tackle your projects.
  • ✅ Comprehensive Kit for Every Need: Seesii Spot Welder Kit comes with a complete set of tools, including the spot welder, heat gun, PVC heat shrink wrap, 640mm welding pen, nickel strip*2, spare copper tips*4, battery holders*2, diamond file, foot pedal switch, charger, and a user manual. Everything you need for welding, repairing, and building battery packs is included, so start working right out of the box.

Product Details

Brand:Seesii
Model:SE208sd
Dimensions:8.267716527 X 5.118110231 X 3.7401574765 inches

AWithZ 10000mAh 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 10000mAh 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

$79.99 @ 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:UK3

FNRSI Battery Spot Welder, 5000m Portable Handheld Spot Welder Double Pulse 4 Combination Gears Adjustable Spot Welding 0.1MM-0.25MM for Iron/Stainless Steel/Nickel Strip /18650 Battery Pack

Image of FNRSI Battery Spot Welder, 5000m Portable Handheld Spot Welder Double Pulse 4 Combination Gears Adjustable Spot Welding 0.1MM-0.25MM for Iron/Stainless Steel/Nickel Strip /18650 Battery Pack

$49.99 @ Amazon.com

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Key Features

  • ✅ 【Double Pulses Welding】Two pulses are released simultaneously in welding-one cleans the oxide layer on welderment, reducing the spark spattering, and the other keeps on welding to ensure the consistency of energy output and improvement o f welding stability
  • ✅ 【A-Grade Battery& 2in1】 The spot welder is equipped with 2 high rate power A-Grade batteries (5000mAH large capacity) . You could use it to weld thousands of spots after fully charged. And you could also use it as a power bank
  • ✅ 【Adjustable Output& Wide Application】4 combination gear adjustment. The welding thickness is 0.1-0.25mm. It can be used to weld nickel sheet, iron sheet, statinless steel sheet, aluminum sheet
  • ✅ 【Brass Spot Welding Pen 】The head of welding pen is detachable. You don`t need to replace the whole welding pen if the head is damged. And the welding pen is made of brass, solid and endurable!
  • ✅ 【Colorful Screen】With 1.8 inch LCD colorful screen, shows you the welding status, the battery voltage, temperature, preheat time, pulse time, interval time, charging voltage/current/power and over temperature/low voltage/short circuit warning indicator

Product Details

Brand:WESTOBiG
Model:Swm-10

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

Battery Spot Welder with LCD Screen, 5000mah Handheld Spot Welder, Spot Welder for Lithium Batteries, Double Pulse Spot Welding 0.1mm-0.25mm for Iron, Stainless Steel, Nickel Strip, 18650 Battery Pack

Image of Battery Spot Welder with LCD Screen, 5000mah Handheld Spot Welder, Spot Welder for Lithium Batteries, Double Pulse Spot Welding 0.1mm-0.25mm for Iron, Stainless Steel, Nickel Strip, 18650 Battery Pack

$49.99 @ Amazon.com

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Key Features

  • ✅ ⚡ Dual-Pulse Welding Technology: Our advanced dual-pulse system releases two pulses during operation: the first removes oxidation for cleaner contact and reduces sparks, while the second delivers consistent energy for stronger, more stable welds. This innovative design ensures minimal splash and maximum welding precision
  • ✅ 📏 Adjustable Power Settings: Fine-tune your output with multiple adjustable levels to suit materials ranging from 0.1mm to 0.25mm. Compatible with nickel, iron, stainless steel, and aluminum strips, this spot welder is perfect for battery pack assembly, metal repairs, and more
  • ✅ 🔋 High-Capacity A-Grade Batteries: Equipped with 5000mAh A-grade batteries, this spot welder delivers thousands of welds on a single charge. It also doubles as a portable power bank, offering versatile utility for your workshop or on-the-go use
  • ✅ 🔧 Durable Brass Welding Pen: The included welding pen features a replaceable brass tip, meaning if the head wears out, you only replace the tip—not the whole pen. Brass construction ensures excellent conductivity, heat resistance, and long-lasting durability
  • ✅ 🖥️ Smart 1.8” Color LCD Display: Stay in control with the intuitive full-color LCD screen, showing real-time data including battery voltage, device temperature, preheat time, pulse duration, interval timing, charging status, and built-in warnings for over-temperature, low voltage, and short-circuit protection

Product Details

Brand:Docreate
Model:Spot Welder

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)

$36.88 @ 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

AWithZ 18650 Battery Spot Welder with 1.5" Digital Display 90 Adjustable Power Levels, Auto/Manual Dual Pulse Modes Professional DIY Tool for Lithium Batteries, Making Battery Packs, Solar Projects

Image of AWithZ 18650 Battery Spot Welder with 1.5" Digital Display 90 Adjustable Power Levels, Auto/Manual Dual Pulse Modes Professional DIY Tool for Lithium Batteries, Making Battery Packs, Solar Projects

$34.99 @ Amazon.com

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Key Features

  • ✅ No Spot Welder Pen, Integrated Design: power supply and welder pen in one; no need for external welder pen; designed for easy one-handed operation; perfect for home and out-of-home use, very suitable for use as a professional or amateur spot welder. Weighing 140g and measuring 6.8 inches long and 1.7 inches wide, the spot welder is very lightweight and compact.
  • ✅ Minimalist OLED display: functions on the color LCD display are temperature display, mode selection, preheat time, trigger time, power level selection, setting buttons to select language, whether to turn off the sound, display brightness adjustment, and even for safety, you can select the time for the automatic power off. Built-in temperature detector, when the temperature reaches 60, it will automatically shut down.
  • ✅ Professional Maintenance and Production of Battery Packs: battery spot welder is suitable for all kinds of cylindrical lithium batteries (18650, 21700, 26650, 32650), cell phone batteries, button batteries, nickel-metal hydride batteries and nickel-cadmium batteries; support the welding of a variety of thin nickel-plated sheet, stainless steel sheet and other materials.
  • ✅ Dual Mode and 99 Adjustable Gears: 99 Adjustable Power level, you can customize the value at will to apply to different materials. Provide auto and manual mode dual mode, dual pulse output, you can choose the mode that suits you.
  • ✅ Easy to operate, can be operated with one hand: there are 2 buttons on the top of the spot welder, you can hold the spot welder with one hand on one side, and adjust the parameters with one finger, such as the index finger, and on the side is the manual mode button, which is needed if you choose the manual mode, you can operate it with any of your fingers with a single finger.

Product Details

Brand:AWithZ
Model:H2
Dimensions:3.93700787 X 1.181102361 X 3.93700787 inches

LNUJIUN Automatic Spot Welder 100W 110V Pulse Argon Arc Welding Machine with LCD Screen 50A-600A Jewelry Spot Welding Machine for DIY Jewelry Repair

Image of LNUJIUN Automatic Spot Welder 100W 110V Pulse Argon Arc Welding Machine with LCD Screen 50A-600A Jewelry Spot Welding Machine for DIY Jewelry Repair

$241.59 @ Amazon.com

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Key Features

  • ✅ High-quality Material: Made of aluminum with a spray painting process, this jewelry spot welding machine is wear-resistant, and durable, ensuring your long-term use.
  • ✅ Powerful Function: This jewelry welder kit is a high-quality jewelry spot welding machine with excellent welding function, which can protect the items you need to weld.
  • ✅ Easy to Adjust: The function keys on the control panel allow you to adjust the welding time and welding power according to the different workpieces being welded, achieving a better welding effect.
  • ✅ High Stability: The 4 feet provide stable support for this jewelry spot welding machine, making this jewelry spot welding machine less prone to slipping.
  • ✅ Small Footprint: This jewelry spot welding machine is compact (11.02x6.1x9.25in) and suitable for various countertops while taking up a small area.

Product Details

Brand:LNUJIUN
Model:100W
Size:28x15.5x23.5cm/11.02x6.1x9.25in
Color:Grey
Dimensions:11.02 X 6.1 X 9.25 inches
Warranty:0
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