Top 10 Best battery spot welder in 2026

Last Updated - 6/17/2026

🏆Best Choice

Seesii

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

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•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
•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

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$31.99

$39.99

-20%

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Docreate

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

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•🚀【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.

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$49.99

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AWithZ

AWithZ 9000W 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 (UK1)

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•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.
•Generous Gift Package: Our package includes a UK1 spot welder, a pair of spot welding pens, a foot switch, a roll of nickel-plated sheet metal, a charging cable, and a piece of gauze. Everything you need is included. Once you receive the package, simply charge the spot welder and you're ready to go. The package is beautifully wrapped, making it a great gift for your loved ones, Father's Day, or friends.

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$59.99

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AWithZ

Battery Spot Welder, AWithZ Handheld Spot Welder 11 Gear Adjustable, Automatic and Manual Modes Battery Welder for 18650 Battery, Welding Nickel Sheets, Iron (Single-ended-H1)

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•NO Spot Welding Pen------No need for a spot welding pen when going out or at home, handheld spot welder that does not require additional spot welding pens, carry it with you and it's convenient to go anywhere. It combines the built-in power supply and welding pen into one, making it easy to weld without the need for an external welding pen.
•Widely Used - Suitable for cylindrical batteries such as 18650/26650/36650, mobile phone batteries, and electronic devices that require batteries. Spot welder can be used for electronic devices that have been damaged due to battery damage, replacing the battery and resuming use (similar to handheld electric drills), saving money and protecting the environment.
•Easy to Use - ONLY 2 buttons, our spot welder the buttons are labeled,easy to use. The battery spot welder does not need to leave our palm. Press and hold the power switch button on the side for 2 seconds with your middle finger, press the gear adjustment button on the top with your index finger once, and press and hold for 2 seconds to adjust the automatic or manual mode.
•11 Adjustable Gears - The spot welding machine has 11 adjustable output power, which can be adjusted according to the different materials you spot weld. 1-3 gear mobile phone battery, 3-6 gear 0.1mm nickel plate, 6-11 gear 0.12-0.15 nickel plate. Charging once can spot weld more than 200 times.
•Multiple Protection Measures - It is a mini handheld spot welding machine, but it has high-quality polymer cells, overcharge protection, temperature protection, short circuit protection, abnormal battery temperature alarm and off spot welding function, and low cell voltage alarm. Ultra low power consumption, longer standby time.
•Exquisite Packaging - Our packaging includes a handheld spot welder, 2-meter nickel plated sheet, 1 piece of frosted paper, 1 Type-c charging cable, and a manual. Our packaging is very exquisite, making it a very worthwhile gift for your loved one who loves battery DIY and friends.

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$27.99

$29.99

-7%

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Awgem

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

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•[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.

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$32.99

$35.99

-8%

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AWithZ

Battery Spot Welder, AWithZ 1.5" LCD Screen Recyclable 11000mAh Spot Welder, 99 Gears Adjustable Battery Welder, Mini Spot Welder for 18650 Battery (11000mAh)

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•Widely Used Spot Welder: With one of our battery spot welder, you can regain your life by replacing damaged electronic devices with batteries (such as handheld drills), saving you money and protecting the environment. You can also build battery packs, such as electric bicycle battery packs, 18650 battery packs, etc. You can also make a hook on a metal product and have many other uses
•Upgrade of Spot Welder Function: Increase the number of continuous spot welding times. We can continuously spot weld twice, allowing the spot welding machine to weld thicker materials, allowing you to use a wider range
•High Capacity Battery: Our battery spot welder has a high capacity of 11000mAh, and charging only takes 3 and a half hours. The spot welding machine has 99 adjustable gears, suitable for different materials, such as spot welding mobile phone batteries with gears ranging from 1.0 to 3.9, materials with thicknesses ranging from 0.1 to 0.15 ranging from 4.0 to 7.0, and materials with thicknesses ranging from 0.15 to 0.25 ranging from 7.1 to 9.9
•Large LCD Screen: 1.5-inch large LCD screen, making it easier to see the content on the screen clearly and clearly. It has a large remaining battery mark, temperature, gear, trigger time, and continuous spot welding times
•Exquisite Packaging: Our spot welding machine packaging products include a spot welder, 2M nickel plated sheet, 50cm Type-c cable, 40cm pair of spot welding pens, a piece of frosted paper, and a complete set of spot welding preparations. All you need to do is prepare your welding battery, and you can enjoy the joy of DIY. A great gift for your husband, boyfriend, and friends who love DIY batteries

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$65.99

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Seesii

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

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•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
•Battery Repair & Maintenance Combo Kit：Ideal for welding custom battery packs, repairing 18650, lithium batteries, and testing household batteries (AA, AAA, 9V); A must-have for electronics repair or keeping home devices running

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$32.99

$39.99

-18%

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Awgem

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

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•Integrated Design: Awgem battery spot welder power supply and welding pen are combined into one, you can weld easily without an external welding pen. The mini welder is designed for one-handed operation. freeing your other hand to hold the nickel strip, making welding a breeze
•LCD Digital Display: The Battery Welder comes with a digital display , and its functions include mode selection, gear setting, preheating time, and delay display. Click the SET button to trigger the settings of language, sleep time, screen brightness, etc
•Dual Modes and 99 Adjustable Gears: The handheld spot welder adopts allow you to freely choose the output power to meet your spot welding needs; the design of automatic and manual modes increases the flexibility of spot welding, dual pulse output, and more precise welding.Switch between modes effortlessly for seamless welding experiences
•Multifunctional Spot Welder: Awgem portable spot welder is very suitable for welding electronic devices that fail due to battery damage and various types of batteries, such as cylindrical batteries, button batteries etc. And support welding nickel-plated sheets, stainless iron sheets or stainless steel sheets, and the solder joints are firm and beautiful
•Package List: Awgem Battery Spot Welder include (1)1*Host (2) 2*Copper needle (3) 1*2m nickel roll (4)1*Frosted paper (5)1*Type-Ccharging line

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$30.89

$49.99

-38%

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Lieberwell

Handheld Spot Welder, Battery Spot Welder with Automatic and Manual Modes, 80 Gears Adjustable, Mini Portable Spot Welding Pen with 2pcs Welding Tips & Nickel Sheets for DIY Battery Pack Welding

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•【80 Gears Adjustable】: Our handheld mini spot welder offers 80 adjustable power levels, ensuring optimal welding tailored to your material needs. It supports the welding of nickel sheets with a thickness of 0.1-0.15mm, and supports the welding of 0.2mm nickel sheets when fully charged. From nickel to stainless steel, this smart device automatically recognizes and adapts to different materials, guaranteeing firm, precise, and reliable welds every time.
•【Safety Meets Convenience】: With dual-mode functionality—automatic and manual—our mini welder prioritizes safety without compromising on usability. Crafted with high-quality polymer cells, it features multiple protection measures against low voltage, overcurrent, and overcharge, providing peace of mind during operation. Switch between modes effortlessly for seamless welding experiences.
•【Portable Performance】: Designed for one-handed operation, our all-in-one mini welder liberates your other hand for holding nickel strips or securing batteries, making welding on-the-go a breeze. Simply long-press the power button to activate, and toggle between English and Chinese with the "POWER" and "+" buttons. Plus, its compact size and ergonomic design make it perfect for mobile use in various settings.
•【Long-lasting Durability】: Equipped with a powerful 5000mAh battery, our mini welder ensures extended usage with minimal downtime. With a maximum output current of 1200A, it delivers robust performance for over 800 welds on a single charge, catering to your welding needs with efficiency and reliability. And thanks to its ultra-low power consumption, standby time is significantly prolonged, ensuring readiness whenever duty calls.
•【Intuitive OLED Display】: Featuring a vibrant OLED color display, our battery welder provides real-time feedback on power levels, battery status, preheating, delay, and welding progress, ensuring optimal control and monitoring throughout the welding process. Whether you're a professional or a hobbyist, our multi-functional welder, with its dual-pulse output, is your go-to solution for welding cylindrical lithium-ion, nickel-metal hydride, and nickel-cadmium batteries, as well as various mobile repair tasks.

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$25.69

$27.69

-7%

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Hosyond

Hosyond Handheld Battery Spot Welder, Automatic and Manual Modes Battery Welder for 18650 Battery

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•NO Spot Welding Pen------No need for a spot welding pen when going out or at home, handheld spot welder that does not require additional spot welding pens, carry it with you and it's convenient to go anywhere. It combines the built-in power supply and welding pen into one, making it easy to weld without the need for an external welding pen.
•Widely Used - Suitable for cylindrical batteries such as 18650/26650/36650, mobile phone batteries, and electronic devices that require batteries. Spot welder can be used for electronic devices that have been damaged due to battery damage, replacing the battery and resuming use (similar to handheld electric drills), saving money and protecting the environment.
•Easy to Use - ONLY 2 buttons, our spot welder the buttons are labeled,easy to use. The battery spot welder does not need to leave our palm. Press and hold the power switch button on the side for 2 seconds with your middle finger, press the gear adjustment button on the top with your index finger once, and press and hold for 2 seconds to adjust the automatic or manual mode.
•Multiple Protection Measures - It is a mini handheld spot welding machine, but it has high-quality polymer cells, overcharge protection, temperature protection, short circuit protection, abnormal battery temperature alarm and off spot welding function, and low cell voltage alarm. Ultra low power consumption, longer standby time.
•Exquisite Packaging - Our packaging includes a handheld spot welder, 2-meter nickel plated sheet, 1 piece of frosted paper, 1 Type-c charging cable, and a manual. Our packaging is very exquisite, making it a very worthwhile gift for your loved one who loves battery DIY and friends.

View offer on:

$25.99

Check Price

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