Welding Machines & Accessories

Seesii 8000W Spot Welder Review

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The Seesii 8000W Spot Welder is a powerful and versatile tool. It is specifically designed for making DIY battery packs. This 2024 upgraded model offers enhanced performance. Indeed, it can easily weld nickel strips between 0.1mm and 0.3mm thick. This makes it ideal for hobbyists and professionals alike. Furthermore, its portable design allows for easy transportation and use in various locations.

Seesii 8000W Spot Welder

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Moreover, this Seesii 8000W Spot Welder boasts a dual pulse output. This advanced feature ensures precise and uniform welds. It significantly reduces the risk of damage to delicate materials. Thus, you get flawless results every time. Additionally, the unit features 10-90 adjustable gears. This wide range of settings provides tailored welding control. Therefore, users can easily adapt to different battery specifications and project needs.

The foot pedal operation is a key advantage of this portable spot welder. It offers hands-free convenience during welding. Consequently, users can maintain better control and focus on the workpiece. Furthermore, an LCD screen displays the internal battery voltage in real-time. This is crucial for optimal welding performance. The machine itself is compact and lightweight. Therefore, it saves space in your workshop.

For beginners, the Seesii 8000W Spot Welder is user-friendly. It comes with warm tips for initial setup and practice. Simply charge the device first. Then, practice several times to find the correct welding strength. This spot welder is suitable for a wide range of applications. These include connecting nickel strips on 18650 lithium batteries. It also works for spot welding iron and stainless steel sheets.

In conclusion, the Seesii 8000W Spot Welder is a robust and efficient solution for battery pack assembly and various repair tasks. Its high power, dual pulse output, adjustable settings, and foot pedal operation make it a standout choice. Overall, it offers precision, control, and portability for all your DIY battery pack needs. Read more…

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Best Seesii 8000w Spot Welder Deals

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

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 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

Hosyond 8000W Handheld Battery Spot Welder, Portable DIY Welding Machine, High-Power Spot Welder with Nickel Strip for 18650 Lithium Batteries

Image of Hosyond 8000W Handheld Battery Spot Welder, Portable DIY Welding Machine, High-Power Spot Welder with Nickel Strip for 18650 Lithium Batteries

$43.99 @ Amazon.com

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Key Features

  • ✅ 🔥 Powerful 8000W Spot Welding for Superior Performance Experience exceptional welding efficiency with this high-power 8000W spot welder! Equipped with pure copper welding needles, it ensures strong, smooth, and precise welds, perfect for battery packs, nickel strips, and other DIY projects. The detachable design allows for easy replacement, extending the machine’s lifespan.
  • ✅ 🔋 Built-in High-Capacity Lithium Battery – Weld Anywhere! No need for external power sources! Our spot welder features a high-rate lithium battery, enabling you to weld on the go. Whether you’re in the workshop, garage, or outdoors, enjoy unmatched portability and convenience.
  • ✅ 📟 Smart Digital Display – Real-Time Power Monitoring Stay in control with the high-definition digital screen, which accurately displays battery levels. No more unexpected power shortages—always know your remaining charge at a glance, ensuring a seamless welding experience.
  • ✅ ⚡ Adjustable Output Current & Dual Welding Modes Tailor your welding power with the 1-9 level adjustment knob, allowing precise control over the output current to suit different materials and thicknesses. Choose between manual or automatic welding modes for ultimate flexibility—whether you prefer precision control or hands-free operation, this welder adapts to your needs.
  • ✅ 💡 Rechargeable & Energy Efficient – Low Standby Power Consumption Designed for long-term use, this spot welder supports fast recharging, so you’re always ready for your next project. Plus, with its low power consumption when turned off, you can conserve battery life without worrying about unnecessary drain.

Product Details

Brand:Hosyond
Model:H-071
Size:8000W

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

Portable 8000W Handheld Spot Welder - High Power Spot Welding Kit for 18650, 21700 Batteries. Complete with Welding Pen & Nickel Strips

Image of Portable 8000W Handheld Spot Welder - High Power Spot Welding Kit for 18650, 21700 Batteries. Complete with Welding Pen & Nickel Strips

$48.99 @ Amazon.com

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Key Features

  • ✅ ✔ 8000W Spot Welder: Features an 9500mAh rechargeable battery for longer working time, great for spot welding 0.1-0.3mm nickel strips, 18650 battery packs and mobile phone batteries. The current flows once, it welds once
  • ✅ ✔ LCD Screen Display: Designed with LCD digital display, you can directly see the battery level and charge this machine in time. (Please fully charge it before first use, and recharge it when the voltage is below 7.3V)
  • ✅ ✔ 9 Adjustable Gears & Easy to Use: Easy to adjust the 9 levels of current by the knob. Just put two of welding pens on nickel strips, hold the foot pedal for about 0.5 seconds until the red light flashes 3 times, then release the foot pedal
  • ✅ ✔ Durable Material: Agoal spot welder has good performance and long service life with ABS body, two of 47cm welding pens of good conductivity and low contact resistance make sure a reasonable length to meet your needs. The tip is replaceable
  • ✅ ✔ Compact size: Lightweight with 5.91*3.86*1.97 inch body, you can take this machine in different occasions. If you have any questions within 60 days, you will get a replacement

Product Details

Brand:AGOAL
Model:646
Size:5.9x3.8x2 inch
Dimensions:3.86 X 1.97 X 5.91 inches

SEESII Capacitor Spot Welder: Battery Spot Welder with 3000F Capacitor, 250 Gear Adjustable, 1.8'' LCD Display, Spot Welding for 0.1-0.3mm Nickel Strip, for Battery Pack Making/Repair

Image of SEESII Capacitor Spot Welder: Battery Spot Welder with 3000F Capacitor, 250 Gear Adjustable, 1.8

$129.99 @ Amazon.com

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Key Features

  • ✅ AC-Powered Spot Welder: This SEESII SE-223 battery spot welder delivers up to 1400A from 3000F supercapacitors; provides stable, high-energy output for spot welding 0.1-0.3mm nickel strips; ideal for battery pack building and repair
  • ✅ Precision Control with LCD Screen: This spot welder for lithium batteries offers 250 adjustable power levels in 0.1 increments; fine-tunes settings via a 1.8-inch LCD display; accommodates different nickel thicknesses and battery types for consistent, professional-grade welds
  • ✅ Flexible Dual Operation Modes: Designed as a professional-grade battery spot welder, it supports automatic trigger mode and manual foot pedal mode; allows hands-free welding or precise control depending on task; optimizes workflow when working with varied battery assemblies
  • ✅ Durable Aluminum Alloy Build: Made with aviation-grade aluminum for superior heat dissipation and impact resistance; compact and portable design suits on-the-go use in battery welding, electronic assembly, and DIY projects
  • ✅ Smart Cooling & Safety Circuitry: This advanced spot welder features a built-in power balancing circuit and intelligent fan control; protects internal capacitors and extends the life of your battery welder by preventing overheating and reducing mechanical wear

Product Details

Brand:Seesii
Model:‎SE301PRO
Size:Medium
Color:Black
Dimensions:7.87401574 X 7.87401574 X 7.87401574 inches

SEESII Battery Spot Welder: Spot Welder for Lithium Batteries, Mini Battery Welder with Built-in Rechargeable Battery, Spot Welding for 0.1-0.2mm Nickel Sheets/Iron/Stainless Steel Sheets

Image of SEESII Battery Spot Welder: Spot Welder for Lithium Batteries, Mini Battery Welder with Built-in Rechargeable Battery, Spot Welding for 0.1-0.2mm Nickel Sheets/Iron/Stainless Steel Sheets

$34.99 @ Amazon.com

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Key Features

  • ✅ Compact Integrated Design: The SeeSii handheld battery spot welder features a fully integrated design, seamlessly combining the welding pen and power unit into a single compact form factor; Engineered for one-handed operation, it eliminates the need for external cables or connections, making it ideal for mobile applications, home workbenches, or confined spaces
  • ✅ 80-Level Adjustable Power: Featuring 80 selectable power levels with dual-pulse output technology, this welder offers both automatic and manual welding modes to adapt to diverse project requirements; High-temperature resistant cables ensure stable performance during continuous use
  • ✅ OLED Display with Integrated Safety Features: The SeeSii mini spot welder is equipped with an OLED screen that displays real-time parameters including mode, power level, preheat status, time delay, and welding progress; Built-in safeguards protect against overcurrent, overcharge, and low voltage, ensuring safe and reliable operation
  • ✅ File for Soldering Iron Cleaning: Frequent use can cause carbon buildup on the weld tips, and the reusable file we provide will help you work more conveniently; Also included are 2 rolls of 5-meter nickel sheets
  • ✅ Fast Type-C Charging: Equipped with a rechargeable battery, it delivers up to 800A of output current and supports over 800 welds per charge; The Type-C charging interface enables rapid, efficient recharging to minimize downtime

Product Details

Brand:Seesii
Model:SE209

8000W Spot Welder,Handheld Spot Welder,Portable Spot Welder Machine DIY Kit,High Power Handheld Spot Welding Machine,for Adjustable Battery Pack Welding Tools

Image of 8000W Spot Welder,Handheld Spot Welder,Portable Spot Welder Machine DIY Kit,High Power Handheld Spot Welding Machine,for Adjustable Battery Pack Welding Tools

$50.00 @ Amazon.com

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Key Features

  • ✅ ◆【8000W Battery Spot Welder】:The upgraded spot welder with a maximum output power of 8000W ,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.
  • ✅ ◆【9-Gear Adjustable】: You can adjust the 9-gear power through the knob to control the intensity of the welding process for different materials and thicknesses(0.1-0.3mm), making high-quality and efficient welding.
  • ✅  ◆【Long Endurance】: This product is equipped with a 6300mAh high-rate rechargeable polymer lithium battery, which can last for 60 days after being fully charged (about 3-4 hours) and can weld 350 times constantly.
  • ✅  ◆【Easy to Use】: It has complete accessories, a clear display screen, a convenient pedal switch and knob, two extended soldering pens, and comes with an English manual, making it easy for you to operate.
  • ✅ ◆【Easy to Carry & Store】: It weighs less than 2.2 pounds and is compact, allowing you to easily carry it anywhere and place it on the countertop without taking up much space.

Product Details

Brand:YIYIBYUS
Model:L96

Seesii Portable Welder Handheld, 110V 120A Portable Welding Machine with Goggles & Chipping Hammer, Compatible with for 3/32"-1/8" Rods, Suitable for Home DIY Repair and Automotive Repair Welding

Image of Seesii Portable Welder Handheld, 110V 120A Portable Welding Machine with Goggles & Chipping Hammer, Compatible with for 3/32"-1/8" Rods, Suitable for Home DIY Repair and Automotive Repair Welding

$79.99 @ Amazon.com (Save 33%)

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Key Features

  • ✅ PORTABLE HANDHELD WELDING MACHINE: The SeeSii handheld welder measures is 10*10 inch, weighs only 3.9 pounds. compact and portable design makes it easy to use in a variety of work environments. It is great for aerial work, which can be easily operated with one hand.
  • ✅ SUPPORTS MULTIPLE RODS SIZES : This portable welder machine fit for 3/32″- 1/8″(1.2-3.2mm) welding rods. Support one click quick replacement of welding rods. This Stick welder ideal for E6011,E6013,E6014,E7018. Easily weld stainless steel,mild steel,iron and other metal materiaSUPPORTS MULTIPLE RODS SIZES : This portable welder machine fit for 3/32″- 1/8″(1.2-3.2mm) welding rods. Support one click quick replacement of welding rods. This Stick welder ideal for E6011,E6013,E6014,E7018. Easily weld stainless steel,mild steel,iron and other metal materials.
  • ✅ SMART IGBT INVERTER TECHNOLOGY: Hand Held Welder utilizes IGBT inverter technology, which improves the welder's current stability and energy efficiency. The technology also simplifies the welding process, resulting in smoother arc initiation, less spatter, and more stable and reliable performance. Built-in 360° Cooling Technology and specific overheat protection, effectively protect the internal circuit of the welding machine from damage and ensure safe and stable use.
  • ✅ 20-120Amp Welding Output: Come with 20-120Amp welding output adjustable, simple knob design, 6 variable current adjustment. Accurate current output make the welding work easier and the welding effect is more perfect
  • ✅ Complete Welding Accessories:In this package, will get 1*handheld welder machine, 1*Ground Clamp, 1*Auto Darkening Goggles, 1* Chipping Hammer, 1*Welding Brush, 20 *Welding Rod and 1*toolbox. Meet all your needs in welding.

Product Details

Brand:Seesii
Model:FA209
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