Seesii 8000W Spot Welder Review

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

SEESII Battery Spot Welder: Battery Welder Kit for 0.1-0.3mm Nickel Strip Welding, Spot Welder for Lithium Battery, 10-90 Gears, Foot Pedal Control, Dual Pulse, Ideal for 18650 Battery DIY

Image of SEESII Battery Spot Welder: Battery Welder Kit for 0.1-0.3mm Nickel Strip Welding, Spot Welder for Lithium Battery, 10-90 Gears, Foot Pedal Control, Dual Pulse, Ideal for 18650 Battery DIY

Key Features

  • ✅ Improved 0.1-0.3mm battery spot welding machine: The improved spot welding machine adopts dual pulse output and pedal welding mode, which can easily weld 0.1-0.3mm thick nickel plates and complete welding work easily and efficiently. The welding points are beautiful and elegant. It can be used for spot welding of batteries, hardware, and electronic components
  • ✅ Save time and money: The 8000W high-performance battery spot welding machine has excellent performance and long lifespan. The spot welding equipment controls two ultra-high performance batteries, emits precise pulse energy through a program with a built-in single-chip microcomputer, and generates high temperature in a very short time. After rapid cooling, weld the nickel strip and battery together to complete spot welding
  • ✅ LCD display: The battery voltage level is a key factor affecting the spot welding effect. Our spot welding screen can display the internal voltage of the product in real time, which is very convenient for you to check and charge in a timely manner. The product should be fully charged before its first use, and charged when the screen voltage is below 7.3V
  • ✅ Easy to operate: This spot welding machine is compact and lightweight, saving space at home. You can easily and quickly transport your spot welding machine to various application places. Just press the foot switch, the red light will flash rapidly 3 times, and then output power once to end the welding
  • ✅ Tips for Beginners: 1. After receiving the product, please charge it and practice multiple times to find the correct spot welding strength; 2. Do not touch the clamp of two pins during use, as this may cause the protective tube inside the spot welding equipment to explode and damage the spot welding equipment

Product Details

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

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

$45.19 @ Amazon.com (Save 10%)

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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: Spot Welder for Lithium Batteries/18650, 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/18650, Mini Battery Welder with Built-in Rechargeable Battery, Spot Welding for 0.1-0.2mm Nickel Sheets/Iron/Stainless Steel Sheets

$29.98 @ Amazon.com (Save 25%)

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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
  • ✅ Versatile Battery Welding Capability: This lithium battery spot welder supports a wide range of cell types, including 18650, 26650, 32650 lithium cells, as well as NiMH and Ni-Cd batteries. It is compatible with 0.1–0.2mm nickel-plated, stainless steel, and iron sheets, making it perfect for DIY battery pack assembly and electronic repair projects
  • ✅ 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
  • ✅ Fast Type-C Charging: Equipped with a 5000mAh 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
  • ✅ 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

Product Details

Brand:Seesii
Model:SE209

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 (Save 10%)

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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 Battery Spot Welder: Handheld Mini Spot Welder with a Universal Battery Tester, 0.1-0.2mm Nickel Welding, Portable Spot Welding Machine for 18650, Lithium Battery, Coin Cell, DIY Battery

Image of SeeSii Battery Spot Welder: Handheld Mini Spot Welder with a Universal Battery Tester, 0.1-0.2mm Nickel Welding, Portable Spot Welding Machine for 18650, Lithium Battery, Coin Cell, DIY Battery

$32.99 @ Amazon.com (Save 18%)

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Key Features

  • ✅ Combo Offer: The SeeSii battery spot welder and battery tester checker offers a portable, integrated solution for both battery welding and power level diagnostics; eliminates the need for separate tools
  • ✅ Clear LCD Display: Stay in control with a vivid color display that lets you monitor voltage, gear setting, and remaining battery life instantly—no guesswork, just clear, real-time insights
  • ✅ Integrated Handheld Design: Compact, lightweight, and designed for one-handed operation, SeeSii mini spot welder features a built-in welding pen and power module; Perfect for home repairs, workshops, or field work
  • ✅ 80 Adjustable Levels for Precise Welding: With 80 power settings and auto/manual modes, it welds 0.1–0.25mm nickel sheets seamlessly; Compatible with 18650, 26650, 32650, NiMH, and Ni-Cd batteries for clean, consistent results
  • ✅ Built-in Rechargeable Battery with Fast Charging: The handheld spot welder’s internal battery frees you from power cords, letting you weld anytime, anywhere; Type-C fast charging drastically reduces downtime, ensuring your spot welding projects stay on track

Product Details

Brand:Seesii
Model:SE209C
Size:Handheld model
Color:Black
Dimensions:9.8 X 2.3 X 0.9 inches

Seesii Dual Farad Spot Welder, 250 Gears Adjustable 3000F Capacitor Battery Spot Welder with 1.8'' LCD Display,Portable Spot Welder for 0.1-0.3mm Nickel Strip Welding, Ideal for Battery Pack Making

Image of Seesii Dual Farad Spot Welder, 250 Gears Adjustable 3000F Capacitor Battery Spot Welder with 1.8

$109.98 @ Amazon.com (Save 8%)

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Key Features

  • ✅ High-Power Welding Precision: 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 on 18650, 26650, 32650, NiMH, and Ni-Cd cells; ideal for battery pack building and precision
  • ✅ 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
  • ✅ 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
  • ✅ 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

Product Details

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

Agoal 8000W Spot Welder, Spot Welder for Lithium Batteries, 9600mAh Spot Welder Machine DIY Kit for 18650 Battery, Adjustable Battery Welding Tools for 0.1-0.3mm Nickel Strips, Black

Image of Agoal 8000W Spot Welder, Spot Welder for Lithium Batteries, 9600mAh Spot Welder Machine DIY Kit for 18650 Battery, Adjustable Battery Welding Tools for 0.1-0.3mm Nickel Strips, Black

$46.54 @ Amazon.com (Save 5%)

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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 Portable Spot Welder with LED Screen

Image of Seesii Portable Spot Welder with LED Screen

Key Features

  • ✅ Seesii Portable Spot Welder with LED Screen

Product Details

Brand:Seesii
Model:SE-301

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

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

Spot Welder, 8000W Handheld Spot Welder, Portable Spot Welder Machine DIY Kit for 18650 Battery Welding Tools

Image of Spot Welder, 8000W Handheld Spot Welder, Portable Spot Welder Machine DIY Kit for 18650 Battery Welding Tools

Key Features

  • ✅ The machine adopts 8000W high-power design, which can quickly complete the welding task and ensure the welding effect is firm and reliable. Whether it is welded 18650 batteries or other metal sheets, it can be easily handled.
  • ✅ Built-in high-performance, long-life lithium battery, to provide lasting and stable power support for the welding process. No need to change the battery frequently, improve work efficiency.
  • ✅ Equipped with high-definition digital tube display, can display key information such as battery voltage in real time, convenient for users to grasp the equipment status at any time, to ensure the welding effect.
  • ✅ By adjusting the output power through the knob, the user can flexibly adjust the gear according to the welding needs, to achieve precise control. The operation is simple and convenient to meet the needs of different welding scenarios.
  • ✅ The use of imported welding needle, good electrical conductivity, low contact resistance, to ensure welding quality. At the same time, the welding needle can be disassembled and replaced, which is convenient for user maintenance and use.

Product Details

Brand:WANSUPYIN
Warranty:Universal
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