Docreate 120-Level Mini Spot Welder Review – Pros & Cons – Spot Welder

The Docreate 120-Level Mini Spot Welder is a powerhouse of precision, a compact marvel that transforms raw energy into a controlled burst of power. This isn’t merely a tool; it is a maestro conducting a symphony of sparks, joining metal with a silent, steadfast hand. Its core, a 3000F Farad capacitor, is like a deep well of energy, storing and releasing power with a remarkable efficiency, and it makes quick work of even the most demanding spot welding tasks. This small but mighty machine, the Docreate 120-Level Mini Spot Welder, is also equipped with an intuitive LCD screen, which is a beacon of clarity in the workshop. The screen allows for effortless navigation and precise adjustments, while its 120-level control system offers an astonishing range of power settings, providing you with the ultimate command over your work. The Docreate 120-Level Mini Spot Welder is therefore a testament to engineering excellence, a tool that is both powerful and remarkably user-friendly, and it promises to elevate your craftsmanship to new heights.

Furthermore, the design of this portable mini welder is a study in both form and function, a perfectly balanced instrument for both the hobbyist and the professional. Its compact size is deceptive, for it conceals a remarkable capacity to weld nickel strips ranging from 0.1mm to 0.3mm with seamless precision. The machine is lightweight and so easily transportable, allowing you to bring the power of energy storage welding wherever your projects may lead you. It is a tireless partner in your creative endeavors, a constant source of reliable power that never falters. Additionally, the energy storage mechanism is a game-changer, eliminating the need for a constant power source and thereby granting you unparalleled freedom of movement. Consequently, this welder is more than a device; it is a key that unlocks a new realm of possibilities in battery and metal fabrication, and it enables you to work with a fluidity and a freedom you never thought possible.

Finally, the Docreate 120-Level Mini Spot Welder is an investment in quality and in future-proofing your toolkit, as it is engineered with durability and longevity in mind. Its robust construction ensures it can withstand the rigors of frequent use, while its advanced safety features provide peace of mind during every operation. The machine is built to last, a stalwart companion in your workshop for years to come. In essence, this is not just a spot welder; it is an artisan’s brush, a sculptor’s chisel, and a craftsman’s most trusted ally, all rolled into one compact, powerful package. Therefore, whether you are building battery packs for electric vehicles or engaging in intricate electronics repair, this welder will prove to be an invaluable asset, and it will undoubtedly become the centerpiece of your professional toolkit.

FEATURES:
– Uses 3000F farad capacitor
– Portable and mini size
– Built-in LCD screen
– 120 adjustable power levels
– Designed for 18650 batteries
– Spot welding capability
– Energy storage welding machine
– Supports nickel strip
– Welds 0.1-0.3mm nickel strip
– For welding 18650 batteries

The Docreate Farad Capacitor Portable Mini Spot Welder is a compact, energy-storage welding machine designed for 18650 batteries. It utilizes a powerful 3000F farad capacitor and offers 120 adjustable power levels, which are displayed on its built-in LCD screen. This spot welder is capable of welding nickel strips with a thickness of 0.1mm to 0.3mm, making it an ideal tool for assembling battery packs. Its portable, mini size makes it convenient for both hobbyists and professionals.

PROS:
– Works really good
– Great for an entry level user
– Foot pedal works great
– Works as advertised
– Makes clean welds
– Effective for tacking nickel strips
– Battery holds sufficient charge
– Variable pulse is good
– Big punch packed into a small unit
– Feels sturdy

CONS:
– Internal battery dangerously discharged
– Inistent output power
– No indicator when ready to weld
– Foot switch and cables too short
– User manual is useless
– Flimsy and light foot switch
– Sketchy and potentially dangerous
– No over charge protection
– Lack of cooling for mosfets
– Welding leads not cleaned up
– Weld tips are simply flat cut

The Docreate Farad Capacitor Spot Welder is a portable mini welder that’s great for beginners due to its ease of use. It makes clean and effective welds for tacking nickel strips, works as advertised, and has a good variable pulse feature. The welder feels sturdy and packs a big punch into a small unit, with its 120 adjustable levels and a foot pedal that works well. However, there are several significant drawbacks: the internal battery can be dangerously discharged, the output power is inconsistent, and there’s no indicator to show when it’s ready to weld. Users also found the foot switch and cables to be too short, the user manual useless, and the device potentially dangerous due to a lack of overcharge protection and insufficient cooling for the MOSFETs. Furthermore, the welding leads and tips were found to be low-quality. Read more…

Docreate Farad Capacitor Spot Welder: Detachable Soldering Pen

Docreate Farad Capacitor Spot Welder: Detachable Soldering Pen

The image shows a detachable soldering pen. It is part of the Docreate Farad Capacitor Spot Welder. The pen has a gold-colored tip connector. The tip is replaceable. This allows different soldering tips to be used. The main body of the pen is black. It has a secure screw-on connection. The design allows for easy replacement of the soldering pen.


Portable Spot Welder for Battery Packs

Portable Spot Welder for Battery Packs

This image shows a Docreate spot welder being used. It is a multifunctional capacitor spot welder. It has an LCD screen. The device is compact and black. A person is using it to weld a series of blue batteries together. The welding thickness can be from 0.1 to 0.4 millimeters. The welder is suitable for building battery packs.


Portable Spot Welder for Battery Packs

Portable Spot Welder for Battery Packs

This image shows a portable spot welder being used to assemble a large battery pack made of multiple 18650 cells. The device is compact. It has a screen and a knob for control. It uses a handheld probe to create strong welds. The image also highlights its versatility. It can be used for 18650, 26650, and 32650 lithium batteries. It can also weld mobile phone batteries and button batteries.


Anatomy of the D102 Portable Spot Welder

Anatomy of the D102 Portable Spot Welder

This image provides a detailed view of the D102 Portable Spot Welder. The product is black and has a handle for easy carrying. On the front, you can see the screen display area, vents, the soldering pen output interface, and the master knob switch. The back of the device shows the power charging port and the on/off switch.


Compact Spot Welder Kit

Compact Spot Welder Kit

This image shows a Docreate 120-Level Mini Spot Welder. The main unit is a small black box with a handle. It has a digital display and a large knob on the front. Two output jacks are also on the front. The image also shows the accessories. These include a power adapter, two welding pens, and several copper welding tips. A small file and a piece of nickel strip are also pictured. The kit appears to be a complete set for spot welding.


Docreate Spot Welder Product Parameters

Docreate Spot Welder Product Parameters

This image shows the product parameters for a Docreate Farad capacitor spot welding machine. The headline “Product parameters” is at the top. Key specifications are detailed, including the name, input power, and the type of soldering pen. The machine’s capacity, operating temperature range, and dimensions are also listed. The weight is 2 kilograms, including the box. The shell is made from ABS. This document provides a quick overview of the product’s technical details.


Compact and Portable Docreate Spot Welder

Compact and Portable Docreate Spot Welder

This image shows a Docreate spot welder. It is a portable machine. A person is holding it by its handle. The design is compact. The spot welder has a dark, sleek body. The handle is black. It has an LCD screen. The text on the image highlights its portability. It also mentions a ‘humanized hand-held design.’



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Best Docreate 120 Level Mini Spot Welder Deals

Spot Welder, Docreate Farad Capacitor Portable Mini Welder Spot 3000F with LCD Screen, 120 Levels Adjust Spot Welding Machine 18650 Battery Energy Storage, Nickel Strip Support 0.1-0.3mm

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Key Features

  • ✅ LCD Screen Spot Welder: Our spot welder for batteries is designed with a visible LCD Screen. You can see capacitor, voltage parameters on the OLED display clearly.
  • ✅ Intelligent and Safe: The welding machine precisely controls the output current of the MOS tube through the single-chip microcomputer to make the nickel sheet welded firmly. The welding machine support automatic working mode, output size adjustment,delay setting, circuit board temperature monitoring and high temperature reminder functions.
  • ✅ Efficiency: The spot welder equipped with multiple functions, prefect for welding battery. The welding needles detachable design, comes with 4 neddles, you can detach and change it easily.
  • ✅ 120 Gears Adjustable:This mini spot welder equipment with 120 gears output power adjustable, you can dial in your spot weld precision according to your different needs, the more precise you adjust, the more perfect of the spot welding will effect.
  • ✅ Easy to Operation & Warranty: The spot welding operation is simple and efficient. Just long press 5s to turn on/turn off the spot welder, and short press 1s to select setting menu.It also with automatic mode,memory function and 5minutes automatic power off function.Making your battery welding work more precise, meticulous and perfect. In the process of using the spot welder, please feel free to contact us if you have any quest

Product Details

Brand:Docreate
Model:Spot Welder 008
Color:Spot Welder, 120 Levels

Docreate 5500W Handheld Spot Welder, Portable Battery Spot Welding Machine with LCD Display, 30-Level Adjustable Power, 5500mAh USB-C Mini Welder Kit for 18650 Battery Packs

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Key Features

  • ✅ 【30-Level Adjustable Welding Power】: This handheld spot welder features 30 output levels for precise power control, making it easy to adjust for different welding needs. Designed for 0.1–0.15 mm nickel-plated steel strips and 0.1 mm pure nickel strips. For better welding results, keep the welding surface clean and press the welding tips firmly.
  • ✅ 【LCD Display for Easy Monitoring】: Built with a clear LCD display and LED gear indicators, this portable battery spot welder allows you to easily check the working level, delay setting, welding count, and remaining power. The simple visual interface helps beginners operate the machine with more confidence.
  • ✅ 【5500mAh Rechargeable Battery】: Equipped with a built-in 5500mAh high-capacity rechargeable battery, this mini spot welding machine offers cordless operation for home DIY, battery repair, and outdoor use. The USB-C charging design makes it convenient to recharge, and it can also be used as an emergency power bank for mobile devices.
  • ✅ 【Complete Mini Welder Kit】: The package includes 1 handheld spot welder, nickel strip, USB-C charging cable, and 2 external welding pins, giving you the basic tools needed for small battery welding projects. Compact and lightweight, it is ideal for 18650 battery packs, lithium battery repair, small electronics, and DIY welding work.
  • ✅ 【Intelligent Safety Protection】: Designed with low-voltage protection, over-current protection, over-charge protection, and low-battery alarm, this portable spot welder helps provide safer and more stable operation. A practical tool for DIY battery pack builders, electronics repair users, and hobby welding projects.

Product Details

Brand:Docreate
Model:Spot Welder

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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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

Battery Spot Welder, 10000W Cordless Spot Welding Machine with LCD Display, 10-90 Adjustable Power, Foot Pedal Control, Portable Spot Welder for Battery Pack DIY, Nickel Strip Welding & Repair

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Key Features

  • ✅ POWERFUL 10000W CORDLESS SPOT WELDER: This high-performance battery spot welder delivers up to 10000W output, making it ideal for battery pack building, nickel strip welding, and DIY repair projects. Cordless design gives you total freedom—no messy cables, work anytime, anywhere
  • ✅ BUILT-IN RECHARGEABLE BATTERY: Equipped with a large-capacity rechargeable battery, this portable spot welding machine eliminates the need for external power. Perfect for mobile use in workshops or home projects. (Charge fully before first use for best performance)
  • ✅ PRECISE WELDING WITH ADJUSTABLE POWER: Features 10–90 adjustable power levels with dual pulse technology, allowing precise control for welding 0.1–0.25mm nickel strips and battery tabs. Suitable for both beginners and professionals
  • ✅ LCD DISPLAY & EASY OPERATION: The clear LCD display shows real-time voltage and working status, helping you monitor performance easily. With foot pedal control, welding becomes safer, faster, and more efficient—just press and weld
  • ✅ COMPACT, PORTABLE & WIDELY USED: Lightweight and compact design makes this spot welder kit easy to carry and store. Perfect for battery pack assembly, lithium battery repair, electronics, hardware welding, and DIY projects

Product Details

Brand:Docreate
Model:Spot Welder
Color:Black2

Docreate Handheld Spot Welder, 99-Gear LCD Display with Auto/Manual Mode, for 0.1-0.25mm Nickel Sheet, Ideal for 18650 Battery Pack DIY & Repair

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Key Features

  • ✅ 【Portable Spot Welder】:Replaceable needles, cordless portable design allows you to use it anytime, even outdoors without the limitation of an outlet. Perfect for home and outdoor use, ideal for professional or amateur spot welder. The spot welder weighs 143.6 grams, 7.72 inches long and 1.62 inches wide, lightweight and compact
  • ✅ 【LCD Display】: Compact digital display handheld spot welder, color LCD display with temperature display, mode selection, preheat time, trigger time, power level selection, power display, etc. The device has an intelligent internal temperature detection system.
  • ✅ 【Powerful Double Pulse】: Battery spot welder kit has 99 adjustable gears, welding thickness up to 0.25mm! Can weld a variety of specifications, 0.10mm nickel-plated ~ 0.25mm nickel-plated welding without worry, battery spot welder is suitable for 18650 lithium battery assembly, lithium iron phosphate battery assembly, cell phone repair, electric car repair!
  • ✅ 【Manual/Automatic 2 modes can be switched at any time】 Automatic Mode: Simply place the two welding pins of the spot welder on the desired position and the welding pen will weld automatically. When welding, the welding pins should be inclined 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°, then press the welding button on the side, and then the welding can be done with one hand.
  • ✅ 【Multi-function spot welder】: professionally designed mini spot welder for home or outdoor small welding, battery repair or DIY welding are very suitable, complete accessories in the package (spot welder, 2 meters nickel rolls, sandpaper, tyep-c charging cable, pen cap, copper pin), can be used as a gift for your family/loved ones/friends.

Product Details

Brand:Docreate
Model:Docreate-757
Color:Spot Welder, 99 Gears
Dimensions:7.72 X 1.62 X 1.62 inches

Spot Welder, Docreate 30 Levels Adjustable Handheld Spot Welder with LCD Screen, Portable Rechargeable DIY Mini Spot Welding Machine with Nickel Belt and Spot Welding Pen for 18650

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Key Features

  • ✅ 【Advanced LCD Display & Smart Controls】:Features a vivid 1.8" color LCD screen for real-time monitoring of voltage, temperature, and welding count. Auto-mode operation, low-battery alerts, and firmware updates ensure user-friendly precision for DIY enthusiasts and professionals.
  • ✅ 【Premium Aluminum Alloy Durability】:Crafted with anodized aerospace-grade aluminum alloy for extreme heat resistance and abrasion protection. Fireproof housing guarantees long-lasting performance in high-intensity welding scenarios.
  • ✅ 【Precision Control with 30 Adjustable Levels】:Customize power output and delay time across 30 fine-tuned settings for flawless spot welds on batteries (18650/26650/32650/NiMH) and thin metals (≤0.3mm). Memory function retains preferences, while 5-minute auto-shutdown boosts safety.
  • ✅ 【Comprehensive Safety Protections】:Built-in safeguards against over-discharge, over-voltage, short circuits, over-current, and overheating ensure risk-free operation. Smart warnings instantly alert users to anomalies.
  • ✅ 【Versatile Multi-Material Welding】:Perfect for lithium battery packs, robotics projects, and metal crafts. Seamlessly weld nickel strips, stainless steel, iron sheets, and cylindrical cells. Compact, portable design thrives in workshops, garages, and on-site repairs.

Product Details

Brand:Docreate
Model:SKU930600
Color:Square Spot Welder

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

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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

Battery Spot Welder, Handheld Spot Welder 99 Gear Adjustable, Portable Mini Spot Welder for Diy 18650 Battery, Iron, Automatic and Manual Mode, Spot Welding Machine Plated Nickel Sheets 0.1-0.2mm

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Key Features

  • ✅ ⚡ Portable & Lightweight Spot Welder: Compact 2-in-1 design combines a spot welder and welding pen in one unit. Weighing only 155g and measuring 8 x 1.8 inches, it is extremely lightweight and easy to operate with one hand—ideal for both home and outdoor use, whether for professional projects or DIY repairs
  • ✅ 🔧 11 Adjustable Power Levels: Features dual modes (automatic & manual) and dual-pulse output for precision welding. Effortlessly weld 0.1mm–0.2mm nickel strips on cylindrical batteries such as 18650/26650/36650, with a welding thickness of up to 0.2mm. Perfect for battery pack assembly and repair
  • ✅ 💡 Smart LED Display & Safety System: The LED screen clearly shows working status, mode, and battery level with 99 adjustable settings. Built-in intelligent temperature control automatically cuts off charging and welding when the device temperature exceeds 65°C, resuming operation once it cools down, ensuring both safety and durability
  • ✅ 🖐 Easy Switch Between Auto & Manual Modes: Auto Mode: Simply place the welding pins at the desired position, and the welder activates automatically, Manual Mode: Hold the device at a 45°–60° angle, press the side button, and weld with precision using just one hand
  • ✅ 🔋 Multi-Purpose Spot Welder: Designed for versatility, this portable spot welder is ideal for battery repair, phone repair, cell replacement, and DIY welding projects. A must-have tool for electronics hobbyists, small workshops, and anyone working with rechargeable batteries

Product Details

Brand:Docreate
Model:Spot Welder
Size:LCD Spot Welder-798

Joyzan Spot Welder, Portable Transistor Mini Control Board Welding Tools Machine Power Supply LCD Screen Strip Pen Lithium Handheld Capacitor Display DIY Pack Adjustable 12V Car Battery Soldering

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Key Features

  • ✅ LCD Screen Display: The power input line spot welder features an intuitive LCD screen display, transistor mini spot welder, providing clear and real time feedback on welding parameters and settings; DIY spot welding tool, this visual interface enhances user control and precision during welding operations
  • ✅ Easy to Use: Designed for operation, handheld welding pen kit, the spot welder for 12v car battery offers simple controls and clear instructions, DIY spot welder kit with LCD screen, ensuring ease of use for both beginners and experienced users; Its intuitive interface and ergonomic design promote a hassle welding experience
  • ✅ Automatic Welding: With automatic welding functionality, LCD screen spot welder equipment for workers, this spot welder streamlines the welding process, allowing for efficient and consistent welds with minimal manual intervention; This automation simplifies the welding task, mini spot welding machine automatic control, saving time and effort for users
  • ✅ Convenient for Replacement: The transistor lithium battery spot welder is designed for easy replacement of components, facilitating maintenance and ensuring uninterrupted welding performance; Handheld spot welding machine with lcd screen diy, this convenient feature reduces downtime and enhances the longevity of the welding tool
  • ✅ Wide Application: Versatile in its capabilities, the battery pack welding tools with LCD screen is suitable for a wide range of applications, including metal fabrication, jewelry making, electronic repairs, and more; Mini battery spot welder for battery pack welding tools, its adaptability makes it a valuable tool for various welding and soldering tasks

Product Details

Brand:Joyzan
Model:Joyzanz9eht30cvs
Color:red

Battery Spot Welder, Awgem Battery Welder 99 Gear Handheld Spot Welder with LCD Screen Auto/Humanized Manual Modes, Portable Spot Welding Machine for Welding Nickel Strips and Iron

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Key Features

  • ✅ [One-handed precise spot welding·Free your hands and double the efficiency]: Awgem SH2 Battery Spot Welder,Integrated ergonomic design. No need for traditional welding pen, one-handed welding of small battery packs is completed, DIY maintenance efficiency is increased by 30%.(Applicable to cylindrical batteries such as 18650/26650/36650, mobile phone batteries, and electronic devices that require batteries.)
  • ✅ [LCD screen real-time display, dual mode to overcome multiple scenarios]: Awgem SH2 LCD screen displays the Preheating/Trigger time/Temperature in real time, the dual-mode icon automatically highlights the prompt, the automatic mode intelligently matches the mobile phone/Bluetooth battery sheet, and the manual mode accurately controls the welding of small battery packs, supporting the welding of 0.1-0.2mm nickel-plated sheets.
  • ✅ [Humanized design, simple and fast operation]: SH2 Spot welder upgraded manual button: The manual button is designed to the thumb position to make manual welding easier and more accurate. More suitable for precise and detailed welding work. Long press the manual welding button to switch between manual/automatic mode at any time.
  • ✅ [Modular design·40% reduction in consumables cost]: Spot welder for batteries innovative replaceable spot welding needle design, low replacement cost. suitable for home or outdoor use of mini spot welding machine, we provide exquisite gift box packaging, packaging accessories are complete (spot welding machine, nickel sheet, gauze, charging cable). Best DIY gift for friends, boyfriends, husbands, and fathers.
  • ✅ [Dual-core safety protection·worry-free welding]: Awgem spot welder,Exclusively developed safety system: automatic red light alarm when the battery cell voltage is less than 3.2V, forced cutting of the welding point and blue light warning when the temperature is ≥65℃, double protection eliminates the risk of over-discharge/overheating and protects the core life of the battery.

Product Details

Brand:Awgem
Model:SH2
Dimensions:0.6 X 1.5 X 6 inches
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