Welding Machines & Accessories

Battery Welder

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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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Best Battery Welder Deals

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)

Image of 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)

$59.99 @ Amazon.com

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Key Features

  • ✅ 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.

Product Details

Brand:AWithZ
Model:UK1

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

Image of 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

$32.99 @ Amazon.com

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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

20-120A Portable IGBT Arc Welder 110V, Handheld Welding Machine with Current Settings, 3/32"-1/8" Rod Compatibility, Overheat Protection, Lemon Yellow

Image of 20-120A Portable IGBT Arc Welder 110V, Handheld Welding Machine with Current Settings, 3/32"-1/8" Rod Compatibility, Overheat Protection, Lemon Yellow

$119.99 @ Amazon.com

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Key Features

  • ✅ Advanced IGBT Tech for Smooth Welding: This 110V welder machine features IGBT inverter for steady current, minimal spatter, and clean welds on carbon steel, iron and other metals.
  • ✅ 20-120A Current Control: This portable welder allows you adjust current output from 20-120A, dialing in precision for DIY projects, general fixes, or professional welding tasks.
  • ✅ Ultra-Lightweight Portable Welder: Weighing just 3.3 lbs, this compact welding machine enables one-handed operation and easy carrying - ideal for job sites, garages, or on-the-go use.
  • ✅ Versatile Rod Fit for Various Welding Needs: This 110V welder accommodates 3/32"–1/8" (2.5–3.2 mm) rods. Hot Start helps make arc ignition easier and supports more consistent weld quality.
  • ✅ Built-In Safety for Extended Welding Sessions: A 360° cooling design and overheat protection help safeguard internal components for reliable performance during longer welding sessions.

Product Details

Brand:MAKELIFT
Model:ZZLJ3-AR110B2-01GEYE-US
Color:Lemon Yellow

Hosyond 5000W Battery Spot Welder, Portable Adjustable Spot Welding Machine for 18650 Lithium Batteries, Welding Nickel Sheets 0.1-0.25mm

Image of Hosyond 5000W Battery Spot Welder, Portable Adjustable Spot Welding Machine for 18650 Lithium Batteries, Welding Nickel Sheets 0.1-0.25mm

$39.99 @ Amazon.com

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Key Features

  • ✅ 【Voltage digital display:】 With LED digital display design, you can directly see the battery power and charge the machine in time. (Please fully charge before first use, and recharge when the voltage is lower than 7.3V).
  • ✅ 【Reliable and durable: 】The spot welder has good performance and a long service life, with a safe ABS shell, two spot welding pens with good conductivity and low contact resistance. The tip is replaceable.
  • ✅ 【Wide application:】 The 5000w spot welder has adjustable output current, spot welding 0.1-0.15mm nickel-plated steel sheets and 0.1mm pure nickel sheets, which is very suitable for welding 18650 battery pack spot welding iron sheets, stainless steel sheets.
  • ✅ 【Simple operation: 】Just press the nickel sheet with two welding pens and step on the foot switch, wait about 0.5 seconds to output spot welding, and then release the foot switch.
  • ✅ 【Compact size:】 Light weight, portable design, the body is 6.5*3.86*2.36 inches, you can use this machine in different occasions. If you have any questions during use, please feel free to contact us.

Product Details

Brand:Hosyond
Model:560
Size:5000W

8000W Spot Welder,Handheld Spot Welder,Portable Spot Welder Machine DIY Kit,High Power Handheld Spot Welding Machine,with nickel strip and spot welding pen,for 18650 Battery Pack Welding Tools

Image of 8000W Spot Welder,Handheld Spot Welder,Portable Spot Welder Machine DIY Kit,High Power Handheld Spot Welding Machine,with nickel strip and spot welding pen,for 18650 Battery Pack Welding Tools

$49.99 @ Amazon.com

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Key Features

  • ✅ 🚀【8000W Battery Spot Welder】:The upgraded spot welder with Dual Pulse Output, foot pedal welding mode which can easily weld 0.1-0.3mm thick nickel sheets, you can finish the welding work easily and efficiently, the welding spot is nice and elegant. Can be used for spot welding of batteries, hardware, and electronic components. Screen size is 2.5 X1 CM, Soldering pen Length is 350mm. Sot welder LXWXH 15X9.5X6 CM
  • ✅ 🔋【1-9 Level Knob Adjustment】:The adjustable spot welder can weld thousands of points continuously on nickel sheet after full charge,the solder pins of the adjustable spot welding machine can be removed and replaced, easy installation and operation.The mini spot welder with 9 Level output power adjustment design, you can adjust the output power 0-800A by turn the knob, the larger the value, the higher the output.
  • ✅ 🚀【Easy to Use】:The solder pins of the adjustable spot welding machine can be removed and replaced, easy installation and operation.The DIY battery spot welder machine is foot switch controls welding, spot welding is more arbitrary. Just press the nickel belt with two soldering pens and step on the foot switch. Wait for about 0.5 seconds for output spot welding,then release the foot switch.suitable for precise welding.
  • ✅ 💌【Warm Tips for Beginner】: LCD Screen Display,The battery voltage level is the key factor affecting the spot welding effect.Our spot welder screen can display the internal voltage of the product in real time,it is very convenient for you to check and charge in time.The product should be fully charged before first use, please charge when the voltage on the screen falls below 7.3V.
  • ✅ 📞【Wide Application & Warranty】 The spot welder with large output power can be used to connect nickel strips of 18650 lithium battery, or spot welding iron sheets, stainless steel sheets. And it is also suitable for welding 0.1-0.15mm nickel plated steel sheet and 0.1mm pure nickel sheet quickly. In the process of using the spot welder, please feel free to contact us if you have any quest.

Product Details

Brand:Docreate
Model:SKU930645-US
Color:8000w Spot Welder, Black

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

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

$65.99 @ Amazon.com

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Key Features

  • ✅ 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

Product Details

Brand:AWithZ
Model:11000mAh

Capacitor Spot Welder, 10.5 kW Farad Battery Pack Welding Machine with Automatic & Foot Pedal Modes, 100–240 V Spot Welder for 18650/21700/LiFePO4 Battery Pack Assembly

Image of Capacitor Spot Welder, 10.5 kW Farad Battery Pack Welding Machine with Automatic & Foot Pedal Modes, 100–240 V Spot Welder for 18650/21700/LiFePO4 Battery Pack Assembly

$154.99 @ Amazon.com (Save 9%)

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Key Features

  • ✅ 【Fast Start-Up & Wide Voltage Support】 Supports 100–240 V AC input. After plugging in, the internal capacitor charges in a few minutes and the display shows when the welder is ready, helping you keep an efficient workflow whether in a home workshop or small production line.
  • ✅ 【Farad Capacitor for Stable High Power Welding】 Built-in energy-storage capacitors deliver a controlled pulse output for consistent weld spots. Maximum pulse welding power up to 10.5 kW (up to 2000 A at 6 V) provides strong, stable welding performance for battery pack assembly. For best results, operate the welder while it remains connected to wall power.
  • ✅ 【Automatic & Foot Pedal Welding Modes】 Offers two practical welding methods. In Automatic Mode, the welder triggers when the welding pen contacts the workpiece. In Foot Pedal Mode, you position the pen first and then step on the pedal to fire the weld, allowing steadier control on precise welds. Simple operation suitable for both beginners and experienced users.
  • ✅ 【For Battery Packs & Multiple Metals】 Designed for assembling battery packs such as 18650, 14500, 21700, LiFePO4 and similar cells. Capable of spot welding thin sheets of copper (up to 0.15 mm), pure nickel (up to 0.25 mm), and steel / iron / nickel-plated sheet (up to 0.4 mm), when using appropriate power settings. Always wear protective gear such as safety goggles during operation.
  • ✅ 【Aluminum Alloy Housing & Complete Kit】 Rugged aluminum-alloy enclosure with smooth edges is resistant to wear and helps dissipate heat. The insulated welding pens include replaceable copper tips for reliable current delivery. Package includes: SK-10P spot welder unit, AC power cord, foot pedal, pair of welding pens, nickel strip roll, battery holders, nickel-plated plates, spare welding tips, fine-grit file and user manual—everything you need to start building battery packs.

Product Details

Brand:chufa
Model:GCUS-816SK10PB
Dimensions:8.07 X 7.28 X 5.12 inches

Battery Spot Welder, Portable Handheld Battery Spot Welder for Lithium Batteries, 18650 Battery, 0.1-0.25mm Nickel Strips, Welding Nickel Sheets, Iron, 11 Gear Adjustable and Auto Manual Modes

Image of Battery Spot Welder, Portable Handheld Battery Spot Welder for Lithium Batteries, 18650 Battery, 0.1-0.25mm Nickel Strips, Welding Nickel Sheets, Iron, 11 Gear Adjustable and Auto Manual Modes

$22.39 @ Amazon.com (Save 30%)

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Key Features

  • ✅ 🔋 Wide Application: Compatible with 18650, 26650, 36650 cylindrical batteries, and smartphone batteries, this welder is perfect for DIY battery pack repairs, refurbishing broken electronics, and extending device life. A cost-effective and eco-friendly alternative to replacement
  • ✅ 🔧 No Welding Pen Needed: This handheld spot welder is designed for ultimate portability. With a built-in power source and integrated welding tips, you can weld anytime, anywhere—no external welding pen required. Ideal for both home and on-the-go repairs
  • ✅ 🧠 Easy to Operate: With clearly labeled buttons, operation is a breeze—even for beginners. Simply hold the side power switch for 2 seconds to activate, and press the mode selector to choose from automatic or manual welding. Fits in your hand for effortless control
  • ✅ ⚙️ 11 Adjustable Power Levels: With 11 precision-controlled output levels, you can match the welding power to your material: levels 1–3 for phone batteries, 4–6 for 0.1mm nickel strips, and 7–11 for 0.12–0.15mm nickel strips. One full charge delivers over 200 welds, making this tool efficient and reliable for any project
  • ✅ 🛡️ Built-in Safety System: Equipped with a high-quality polymer battery, this mini spot welder includes overcharge protection, overheat protection, short-circuit protection, battery temperature alerts, and low voltage alarms. It even supports breakpoint welding, with ultra-low power consumption and extended standby for peace of mind

Product Details

Brand:AGOAL
Model:Spot Welder 756
Size:7.7x1.6 inch

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

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

$34.99 @ Amazon.com

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Key Features

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

Product Details

Brand:Seesii
Model:SE209

Docreate Battery Spot Welder, 11 Gear Adjustable Handheld Spot Welder, Automatic and Manual Modes, Welding Plated Nickel Sheets 0.1-0.25mm，for DIY 18650 Battery, Welding Nickel Sheets, Iron

Image of Docreate Battery Spot Welder, 11 Gear Adjustable Handheld Spot Welder, Automatic and Manual Modes, Welding Plated Nickel Sheets 0.1-0.25mm，for DIY 18650 Battery, Welding Nickel Sheets, Iron

$26.99 @ Amazon.com (Save 10%)

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Key Features

  • ✅ 【Portable Handheld Spot Welder】: Spot welder and weld pin in one; interchangeable weld pins; designed for easy one-handed operation; great for home and outdoor use, ideal for use as a professional or hobbyist spot welder. Weighing 142.4 grams and measuring 7.72 inches long by 1.62 inches wide, this spot welder is extremely lightweight and compact
  • ✅ 【11 GEARS ADJUSTABLE】：provides automatic and manual dual mode, dual pulse output, you can choose the mode that suits you.0.10mm nickel plated ~ 0.25mm nickel plated soldering without worry, suitable for 18650/26650/36650 and other cylindrical batteries, soldering thickness up to 0.25mm!
  • ✅ 【LED Display】: LED light display, operation at a glance, manual/automatic switching, power display, 11 adjustable gears, the device is equipped with an intelligent internal temperature detection system, when the temperature of the device is detected to be higher than 65 ° C, the device will cut off the charging input and prohibit spot welding until the temperature is lower than 63 ° C to return to normal!
  • ✅ 【Automatic/manual modes are adjustable by one key】： Automatic mode: Simply place the two pins of the spot welder in the desired position and the pen will weld automatically. The welding pins should be at 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°, and then press the weld button on the side to finish the welding with one hand.
  • ✅ 【Multi-function spot welder】:If professionally designed spot welder, compact and portable for home or outdoor small welding, battery repair or DIY welding enthusiasts can use it. Package comes with accessories (1 handheld spot welder, 1 pen cap, 2 meters of nickel-plated plate, 1 sheet of sandpaper, 2 copper pins, 1 Type-c charging cable, 1 manual) can be given to your loved ones/family/friends.

Product Details

Brand:Docreate
Model:Battery Spot Welder
Color:Battery Spot Welder, Black
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