Battery Welder

SUNKKO 737G+ Battery Spot Welder

We are specifically going to consider the SUNKKO pulse spot welder that is one of the excellent battery welders with amazing features. The battery welder will be a suitable choice when dealing with 0.05 to 0.2 mm nickel-plated strips. This is relatively a smart welder regarding the convenience and the power requirements that it will be supported with.

SUNKKO 737G+ Battery Spot Welder

The battery welder can be used in spot welding, battery testing, and also for the battery charging! All these are the practical applications of the battery welder. The battery welder is controlled by pushing the welding head up or monitoring by the foot pedal. This is a simple way to control the battery welder. The operational features are easy to operate, and it will be a great asset for home welding.

Battery welder is very cheap! It is inexpensive, and therefore it won’t break your bank. Most clients at the platforms such as Amazon are happy with the great welder. It accords convenience and will still deliver perfect welds suitable for their application! It’s a lovely choice welder that you can depend on for small scale welding!

Many companies are manufacturing battery welders. You need to be keen when choosing one! Not all the battery welders are the best, and it will be essential to pick one with accessible operational features, durable and also sturdy! All these are the basics that will lead you to select a smart welder!

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Battery Spot Welder, AWithZ Handheld Spot Welder 11 Gear Adjustable, Automatic and Manual Modes Battery Welder for 18650 Battery, Welding Nickel Sheets, Iron, Stainless Steel (2M Nickel)


Battery Spot Welder, AWithZ Handheld Spot Welder 11 Gear Adjustable, Automatic and Manual Modes Battery Welder for 18650 Battery, Welding Nickel Sheets, Iron, Stainless Steel (2M Nickel)

$35.99 @ Amazon.com (Save 28%)

Product Description

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.

Product Details
Brand: AWithZ
Model #: H1
Price: $35.99 (Save 28%)
Battery Spot Welder, AWithZ Handheld Spot Welder 11 Gear Adjustable, Automatic and Manual Modes Battery Welder for 18650 Battery, Welding Nickel Sheets, Iron, Stainless Steel (2M Nickel)

Battery Spot Welder, AWithZ Handheld Spot Welder 11 Gear Adjustable, Automatic and Manual Modes Battery Welder for 18650 Battery, Welding Nickel Sheets, Iron, Stainless Steel (2M Nickel)


Battery Spot Welder, AWithZ Handheld Spot Welder 11 Gear Adjustable, Automatic and Manual Modes Battery Welder for 18650 Battery, Welding Nickel Sheets, Iron, Stainless Steel (2M Nickel)

$40.99 @ Amazon.com

Product Description

Integrated Design for Convenience: Combines power supply and welding pen into one unit; No need for an external welding pen; Designed for easy one-handed operation; ideal for home and on-the-go use; Seesii handheld spot welder allows you to weld with ease

Versatile Welding Capabilities: Battery spot welder is suitable for various cylindrical lithium batteries (18650, 26650, 32650), mobile phone batteries, nickel-metal hydride, and nickel-cadmium batteries; Supports welding nickel-plated sheets (0.1-0.2mm)

80 Adjustable Power and Dual Mode: Dual pulse output with 80 adjustable power levels; Offers automatic and manual modes with high-temperature resistant wires; Customizable welding power ensures high-quality welds; Choose the mode that suits your task

5.0Ah Battery with Type-C Charging: 5000mAh battery with 800A max output; Delivers over 800 welds on a full charge; Supports Type-C charging; Durable performance reduces frequent recharging, ensuring continuous work on large project

OLED Display with Safety Features: OLED color display shows real-time system mode, power, preheat status, time delay, and welding progress; Includes protection against low voltage, overcurrent, and overcharge for safe and reliable operation

Wide Application: This portable spot welder is practical tool for electronics and battery repair; Designed for professional workers and DIY enthusiasts. An ideal choice to get it for yourself, friends or men, father, husband, boy friend, DIYer

Product Details
Brand: Seesii
Model #: Seesii-ZC-567
Price: $40.99
Seesii Battery Spot Welder with 5.0Ah Battery: Upgraded Handheld Mini Portable Spot Welder for 18650 Battery, Welding Nickel Sheets 0.1-0.2mm, Iron,Stainless Steel Sheets, 80 Gear,Auto and Manual Mode

Battery Spot Welder, AWithZ Handheld Spot Welder 11 Gear Adjustable, Automatic and Manual Modes Battery Welder for 18650 Battery, Welding Nickel Sheets, Iron, Stainless Steel (2M Nickel)


Battery Spot Welder, AWithZ Handheld Spot Welder 11 Gear Adjustable, Automatic and Manual Modes Battery Welder for 18650 Battery, Welding Nickel Sheets, Iron, Stainless Steel (2M Nickel)

$56.99 @ Amazon.com

Product Description

🚀【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.

🔋【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
Price: $56.99
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

Battery Spot Welder, AWithZ Handheld Spot Welder 11 Gear Adjustable, Automatic and Manual Modes Battery Welder for 18650 Battery, Welding Nickel Sheets, Iron, Stainless Steel (2M Nickel)


Battery Spot Welder, AWithZ Handheld Spot Welder 11 Gear Adjustable, Automatic and Manual Modes Battery Welder for 18650 Battery, Welding Nickel Sheets, Iron, Stainless Steel (2M Nickel)

$169.99 @ Amazon.com

Product Description

【Super Capacitor Farad Spot Welder】: ALIESTFDNO super capacitor energy storage battery spot welder is mainly used for spot welding 18650 batteries. It adopts the latest microcomputer control board to accurately control the current and discharge time. Dual mode use, more stable performance, more reliable and safer. Adopt aviation aluminum alloy shell, high hardness, good wear resistance, anti-crushing, practical.Equipped with 1 x spot welder, 10M nickel strip, soldering pen needle x 2.

【Advanced Safety & Intelligent Technology】: Built-in power balancing circuit to ensure that the voltage of the two batteries is equal and protect the use of capacitors. Adopting intelligent fan temperature control strategy, when the voltage is fully loaded, the over-temperature protection will be automatically turned on when the temperature is greater than 60 degrees Celsius, the fan will stop rotating, the bearing life will be extended, and the buzzer alarm will sound.

【0.1-0.3mm Micro Welding】: Dual battery spot welder is equipped with two super capacitors, up to 3000 Farad capacitors, maximum output 2100A, 25.0 gears adjustable, with LCD color display. It can be used to weld actual nickel strip thickness up to 0.25mm, maximum welding up to 0.3mm, pure nickel sheet within 0.15mm.

【1-25.0 Level Adjustable】: Our farad spot welder equipment has 25.0 gears of adjustable output power, which can be easily adjusted by rotating the button (1-25.0 range). Unlike other spot welders, our accuracy is accurate to 0.1 digit. You can adjust the spot welding accuracy according to different needs. The more accurate the adjustment, the more perfect the spot welding effect.

【Dual Mode】: 2024 Upgraded from the traditional spot welding machine, this spot welder is equipped with automatic mode and foot-operated spot welding plate, which can automatically sense the contact between the welding needle and the nickel strip and automatically output pulses. You can also connect a foot switch to use the spot welding machine according to your habits. Dual super farad capacitor design, the maximum output power can reach 10.5KW, can be used for spot welding of batteries, hardware and electronic components, and is an ideal choice for making battery packs and engineering repairs.

Product Details
Brand: ALIESTFDNO
Model #: 3000F Capacitor Battery Spot Welder
Color: Black
Dimensions: 7.28 X 3.93 X 5.9 inches (Length X Width X Height)
Price: $169.99
ALIESTFDNO Dual Farad Spot Welder, 3000F Capacitor Battery Spot Welder, 25 Gears Adjustable Portable Super Capacitor Spot Welder for 0.1-0.3mm Nickel Strip Welding

Battery Spot Welder, AWithZ Handheld Spot Welder 11 Gear Adjustable, Automatic and Manual Modes Battery Welder for 18650 Battery, Welding Nickel Sheets, Iron, Stainless Steel (2M Nickel)

Battery Spot Welder, AWithZ Handheld Spot Welder 11 Gear Adjustable, Automatic and Manual Modes Battery Welder for 18650 Battery, Welding Nickel Sheets, Iron, Stainless Steel (2M Nickel)

$56.99 @ Amazon.com

Product Description

【Two 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 #: WB-SWM-10
Price: $56.99
Battery Spot Welder, WESTOBiG Portable Handheld Spot Welder Double Pulse 4 Combination Gears Adjustable 5000mAH Spot Welding 0.1MM-0.25MM for Iron/Stainless Steel/Nickel Strip /18650 Battery Pack

Battery Spot Welder, AWithZ Handheld Spot Welder 11 Gear Adjustable, Automatic and Manual Modes Battery Welder for 18650 Battery, Welding Nickel Sheets, Iron, Stainless Steel (2M Nickel)


Battery Spot Welder, AWithZ Handheld Spot Welder 11 Gear Adjustable, Automatic and Manual Modes Battery Welder for 18650 Battery, Welding Nickel Sheets, Iron, Stainless Steel (2M Nickel)

$77.39 @ Amazon.com

Product Description

Upgraded Spot Welder: Features an 11000mAh battery and charging design; Fully charges in 3-5 hrs with Type-C cable; Welds thousands of points on a full charge; Uded for 0.1-0.15mm nickel sheets, ideal for battery packs (Note: Not for 0.2mm nickel strips)

80 Adjustable Power Levels: Seesii SE-002 mini battery spot welder with 80 adjustable power levels; Fine-tune between 1-8 and 1.1-5.4-8.0 levels for precise welding; Delay time can be adjusted from 1-5 seconds, making it useful for beginners

LCD Visible Screen Display: Our spot welder for battery designed with a colorful LCD screen; Displays remaining battery, delay time, temperature, and gear level; Monitor working conditions at a glance for a safer, more efficient welding practice

Intelligent and Safe: The 18650 spot welder kit features upgraded chip for convenient operation; The spot welder will automatically stops when temperature exceeds 60℃/140°F to prevent damage. Note: Practice several times to find the right welding strength

Wide Application: The mini spot welder is mainly used in the welding of nickel sheets of battery, which can be used for spot-welding cylindrical lithium batteries such as 18650/21650 and etc, nickel-metal hydride /cadmium nickel batteries and etc

Comprehensive Package: Comes with 1 spot welder, 2 rolls of 5M nickel strip, 1 metal file, 1 USB-C cable, and 4 x 4 battery holder. Suitable for both beginners and professionals, Father, Husband, Boy Friend, DIYer

Product Details
Brand: Seesii
Model #: LI58USCP5B0002US
Size: Medium
Color: 80 Gears 11000m-ah Black
Dimensions: 6.4960629855 X 3.543307083 X 1.574803148 inches (Length X Width X Height)
Price: $77.39
Spot Welder, Seesii 11000mA-h Battery Spot Welder with LCD Screen Upgraded Enhanced 80 Gears Adjustable Portable Mini Spot Welder with 2x5M Nickel Sheet & 4X4 Holder For Making Battery Packs

Battery Spot Welder, AWithZ Handheld Spot Welder 11 Gear Adjustable, Automatic and Manual Modes Battery Welder for 18650 Battery, Welding Nickel Sheets, Iron, Stainless Steel (2M Nickel)


Battery Spot Welder, AWithZ Handheld Spot Welder 11 Gear Adjustable, Automatic and Manual Modes Battery Welder for 18650 Battery, Welding Nickel Sheets, Iron, Stainless Steel (2M Nickel)

$49.99 @ Amazon.com

Product Description

✔ 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)

✔ Durable Material: Agoal spot welder has good performance and long service life with ABS housing, two spot welding pens of good conductivity and low contact resistance. The tip is replaceable

✔ Wide Application: 5000w spot welder is adjustable in output current, spot welding 0.1-0.15mm nickel plated steel sheet and 0.1mm pure nickel sheet, great for welding 18650 battery packs and iron/ stainless steel sheets

✔ Easy to Operate: 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, and then release the foot switch

✔ Compact Size: Lightweight with 6.5*3.86*2.36 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 #: AGOAL20230601
Dimensions: 6.5 X 2.36 X 3.86 inches (Length X Width X Height)
Price: $49.99
5000W Mini Battery Spot Welder, Portable Spot Welder Machine DIY Kit for 18650 Battery Pack Welding Tools, Adjustable Battery Welding Soldering Machine with Nickel Strip and Spot Welding Pen

Battery Spot Welder, AWithZ Handheld Spot Welder 11 Gear Adjustable, Automatic and Manual Modes Battery Welder for 18650 Battery, Welding Nickel Sheets, Iron, Stainless Steel (2M Nickel)


Battery Spot Welder, AWithZ Handheld Spot Welder 11 Gear Adjustable, Automatic and Manual Modes Battery Welder for 18650 Battery, Welding Nickel Sheets, Iron, Stainless Steel (2M Nickel)

$51.99 @ Amazon.com

Product Description

Adjustable 11 gears, more accurate welding and more stability welding. Automatic and manual mode adjustable, easy to operate.

The welding pen is comfortable to use, the length of welding pen is 40cm/16 inches, that makes operation more flexible. It is low resistance oxygen free copper material, welding stability.

Suitable for 18650 and other cylindrical lithium batteries, nickel metal hydride batteries, cadmium nickel batteries can be welded firmly. It can be also used to weld iron, steel, stainless steel sheets with the thickness less than 0.2 mm/ 0.007 inch to other iron, steel, stainless steel materials. With it, save your time and effort.

Our portable spot welders own perfect over-charge, over-discharge, over-temperature etc protection functions and double protection performance.Unique overheating protection device automatically cuts off power when the overheating occurs.

【Our service】In the process of using the spot welder, please feel free to contact us if you have any questions. We will replace or refund for you to ensure that you can have a pleasant shopping experience.

Product Details
Brand: Kerpu
Model #: DSH
Color: Black
Dimensions: 3.49999999643 X 0.787401574 X 6.0629921198 inches (Length X Width X Height)
Price: $51.99
Spot Welder, Kerpu Mini Spot Welder, Portable Spot Welder Machine, Spot Welding Equipment Energy Storage 5000mAh for DIY 18650 Battery, Portable Battery Welder with Type-C Port (Black)

Battery Spot Welder, AWithZ Handheld Spot Welder 11 Gear Adjustable, Automatic and Manual Modes Battery Welder for 18650 Battery, Welding Nickel Sheets, Iron, Stainless Steel (2M Nickel)


Battery Spot Welder, AWithZ Handheld Spot Welder 11 Gear Adjustable, Automatic and Manual Modes Battery Welder for 18650 Battery, Welding Nickel Sheets, Iron, Stainless Steel (2M Nickel)

$169.99 @ Amazon.com

Product Description

Super Powerful Farad Spot Welder: This product is a supercapacitor energy storage type battery spot welder, mainly used for spot welding 18650 batteries. It is adopt the latest microcomputer control board to control the current and discharge time accurately.

0.1-0.3mm Micro Welding:The SE-223 battery spot welder is equipped with two super capacitance up to 3000 farad capacitor with 1400A max output, 25.0 gears adjustable with LCD display.It can be used to welding practical nickel strip thickness up to 0.25mm, the maximum welding up to 0.3mm, pure nickel sheet within 0.15mm

1-25.0 Levels Adjustable: Our spot welder equipment with 25.0 gears output power adjustable, which can be adjusted conveniently by rotating the button(1-25.0 range). Unlike other spot welding machines, our precision is accurate to 0.1 digit. You can adjust the spot welding accuracy according to different needs, the more accurate the adjustment, the more perfect the spot welding effect

Dual Automatic & Foot Pedal Mode: Different from the traditional spot welder, the product is equipped with automatic mode and a foot-operated spot welding plate,Can automatically feel the welding needle contact nickel belt, automatic output pulse, can also be connected to the foot switch.It can be changed at will according to your operating needs

Advanced & Intelligent Technology: Built-in power balancing circuit to ensure that the voltage of the two batteries is equal to protect the capacitor use. With Intelligent fan temperature control strategy, when the voltage is full, the fan stops rotating, prolong the life of the bearing

Stable and Durable: Crafted with grade aluminum alloy, our product excels in stability, reliability, durability, and wear resistance, offering unparalleled performance for all your applications

Product Details
Brand: Seesii
Model #: SE-223-A
Size: Medium
Color: Black
Dimensions: 7.87401574 X 7.87401574 X 7.87401574 inches (Length X Width X Height)
Price: $169.99
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

Battery Spot Welder, AWithZ Handheld Spot Welder 11 Gear Adjustable, Automatic and Manual Modes Battery Welder for 18650 Battery, Welding Nickel Sheets, Iron, Stainless Steel (2M Nickel)


Battery Spot Welder, AWithZ Handheld Spot Welder 11 Gear Adjustable, Automatic and Manual Modes Battery Welder for 18650 Battery, Welding Nickel Sheets, Iron, Stainless Steel (2M Nickel)

$35.69 @ Amazon.com

Product Description

【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.

Product Details
Brand: Lieberwell
Model #: Q03E1
Price: $35.69
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

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