Battery 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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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)

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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

SEESII Battery Spot Welder: Rechargeable Battery Welder with Visual Display, 3360W Max Power with 1-99 Gears, Copper Tips, Portable Spot Welder for Lithium Battery (DIY, Repairs, Outdoor Use)

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Key Features

  • ✅ Built-in Rechargeable Battery​: Say goodbye to tangled power cords—grab this spot welder and work anytime, anywhere; Note: For optimal performance, fully charge it to 100% before first use; If the product is left unused, please charge it monthly to preserve battery health
  • ✅ Strong Welding Capacity: With a maximum output power of 3360W, the mini spot welder stands out among handheld models; tested to weld nickel-plated sheets up to 0.2mm thick or pure nickel sheets up to 0.15mm thick
  • ✅ Visual Display Screen: An intuitive display greatly boosts convenience, letting you monitor the welding process, device temperature, and remaining battery at all times
  • ✅ Precise Gear Adjustment: With 99 fine-adjustment gears available, the spot welding equipment perfectly meets your diverse welding needs for different materials and thicknesses
  • ✅ Auto/Manual Dual Modes: Choose freely between auto welding and manual trigger welding based on your needs—adapts to various scenarios for greater convenience

Product Details

Brand:Seesii
Model:SE302
Color:Black

SEESII Battery Spot Welder: Handheld Spot Welding Machine with Rechargeable Battery, Mini Battery Welder for Nickel-Plated Sheets up to 0.2mm - for Battery Pack Assembly and Repair

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Key Features

  • ✅ 【Wireless, Portable Design】Built-in 3000mAh rechargeable battery supports cordless operation and easy portability, eliminating cable constraints and enabling flexible use anytime, anywhere
  • ✅ 【Visual Display Screen】Real-time voltage, gear settings and welding mode are clearly displayed, simplifying operation steps and ensuring accurate adjustments for stable welding effects
  • ✅ 【80 Adjustable Gears】Realizes refined welding power regulation, perfectly adapting to nickel sheets of different thicknesses with a maximum welding thickness of 0.2mm for nickel-plated sheets and 0.15mm for pure nickel sheets, meeting diverse welding requirements
  • ✅ 【Reusable Cleaning File】Equipped with a reusable file to remove carbon deposits on the welding tip, maintaining stable welding performance and extending the tip's service life
  • ✅ 【Durable Aluminum Shell】Boasts a sturdy aluminum shell that enhances texture and durability, resisting wear and tear for long-term reliable use

Product Details

Brand:Seesii
Model:SE209
Color:Black
Dimensions:9.8031495963 X 2.2047244072 X 0.9055118101 Inches

Battery Spot Welder, AWithZ Handheld Spot Welder 11 Gear Adjustable, Automatic and Manual Modes Battery Welder for 18650 Battery, Welding Nickel Sheets, Iron

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Key Features

  • ✅ 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.

Product Details

Brand:AWithZ
Model:H1

Cordless Welder Battery Powered Welding Machine With 2 Batteries, Portable MMA DC Welder Machine With LED Display Inverter Stick Welder(Blue)

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Key Features

  • ✅ Welding Without Limits: . Our battery powered welding machine includes (2) 20V 8Ah power batteries. Say goodbye to power outlets and hello to endless possibilities. Our this cordless welder that can be used anywhere without a power supply, from elevated work areas to outdoors. Freely switch from convenience to extended runtime.
  • ✅ Hot-Start-Arc-Force & Anti-Stick: With arc welder hot start arc force and anti-stick technology, this battery welder supports for electrode sizes of 1/16'', 3/32'', 1/8'', and 5/32'' in welding, meanwhile increased welding frequency, reduced material damage. Ideal for welding carbon steel, low alloy steel and other metals.
  • ✅ Lightweight & Compact Size: This battery-powered welder’s weight is only 8 lb/3.8kg. Product Size 26.6cm x 15.8cm x22cm. This compact welding machine adapts to any terrain, empowering you to weld where others can't. Offer an ultimate portable welding experience and high performance.
  • ✅ Safety System & Digital Display: Our this battery powered welder with built-in safety features like overheat, over-current, and overload protection, keeping you and your machine safe. Also, this cordless welder owns LED display can help can help you view the data more clearly, such as the current, function mode, and welding mode, welding parameters in any light. Effortlessly adjust current settings on demand, it will be your best reliable welding tool.
  • ✅ What You Will Get: Package includes, Welding clamp quick plug (-pole) x1, Welding clamp quick plug (+pole) x1, Welding machine x1, External DC cable x1,20V 8.0Ah battery x2, Quick charger x1, Shoulder strap x1.

Product Details

Brand:wuzizi
Model:CWM101
Color:Blue

TLL Battery-Powered Stick/Flux Core Welder, Cordless Welder, ARC MMA DC Welder Machine, Portable Welding Machine, with Hot Start Arc Force Anti-Stick (Not Include Flux Core Welder Gun) (ZW-160)

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Key Features

  • ✅ [WELD ANYWHERE]: Battery-powered welder that can be used anywhere without a power supply, From elevated work areas to outdoors, our compact, lightweight welder adapts to any terrain, empowering you to weld where others can't.! Up to 120 A output on battery power, Includes (2) 20V 8Ah batteries. The welding machine supports an external DC power supply with a voltage range of 36-84V. Freely switch from convenience to extended runtime, welding without limits. The battery is also Compatible with Makita interface 20V tools (not compatible with Makita tools), Improving battery utilization.
  • ✅ [2-IN-1 WELDER]: Stick/Flux Core Welding (Flux Core Welding Need to buy an extra Flux Core Weld Spool Gun). Stable output current, professional welding effect. Powerful arc force provides smoother welding and deeper penetration, keeps arc stability, and smooth weld, has pretty nice beads, and achieves perfect welding. It performs well with most 6010, 6011, 6013, and 7018 rods in Arc Welding mode.
  • ✅ [DIGITAL DISPLAY]: Compared to other traditional displays, our intelligent LED display can help you view the data more clearly, such as the current, function mode, and welding mode. Give you a better welding experience. It has overheat protection, overcurrent protection, and overload protection, is safer and reliable, has memory storage for welding parameters, and is ideal for hobbyists, home DIY, learning new skills, and general maintenance work.
  • ✅ [HOT START ARC FORCE ANTI-STICK]: Arc welder hot start arc force anti-stick, for 1/16,1/8,3/32,5/32 in Welding Rod, welding material thickness 0.06in-0.2in, perfect suit for welding stainless steel/carbon steel/low alloy steel, if you want to weld stainless steel, it is recommended that you use a special welding electrode for stainless steel. Can achieve the perfect weld. Reduce the damage of Copper and Iron, obviously increase the welding frequency, and be more energy efficient.
  • ✅ [LIGHTWEIGHT PORTABLE & GOOD HEAT DISSIPATION ]: Weight only 8.38 lb/3.8kg! Product Size 26.6cm x 15.8cm x22cm. Welder machine with high-performance fan, powerful heat dissipation to keep cool. The heat dissipation area is larger than that of a metal welding machine. It can be continuously welded for a long time. ABS material is stronger than iron shell in terms of heat dissipation and insulation. Lightweight and portable battery-powered welder.

Product Details

Brand:TLL
Model:ZW-160

AWithZ 10000mAh 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

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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:UK3

Battery Spot Welder, 11 Gear Adjustable Double-ended Replaceable Pen Tip Spot Welder, Automatic and Manual Modes, Welding Plated Nickel Sheets for DIY 18650 Battery (Black-Upgrade)

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Key Features

  • ✅ Innovative Dual-Tip Design: Features both a micro needle tip for precision welding on thin materials and a macro cone tip for deep penetration on thick materials, doubling versatility and durability in one tool.
  • ✅ Precision Micro Welding: The micro needle tip achieves ultra-thin material welding with high accuracy (+0.05mm), preventing piercing and ensuring clean, reliable connections.
  • ✅ Efficient Macro Welding: The macro cone tip delivers balanced heat distribution for deep welding on thicker materials, reducing the heat-affected zone by 30% to prevent weak joints.
  • ✅ Premium Material & Long Life: Constructed from high-conductivity aluminum oxide copper, it offers exceptional electrical performance and a extended service life of over 5000 cycles.
  • ✅ 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.

Product Details

Brand:AWithZ
Model:H1
Color:Black-upgrade

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

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

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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
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