The most popular battery spot welder of 2023

Spot Welder Control Board, 6 Gear Adjustable Spot Welding Machine Lithium Battery Control Board Kit DIY 18650/26650 Batteries, Portable Mini Handheld Welder, Spot Welder PCB Circuit Board (100-900A)
9 Reviews
Spot Welder Control Board, 6 Gear Adjustable Spot Welding Machine Lithium Battery Control Board Kit DIY 18650/26650 Batteries, Portable Mini Handheld Welder, Spot Welder PCB Circuit Board (100-900A)
  • ✔Powerful Function – Spot Welder Control Board support welding 0.3mm nickel sheet, 6 gears can be adjusted, support welding current 100A-900A.
  • ✔Safe – Intelligent matching, judge whether the power supply can work, prevent damage to the circuit board, simple operation.
  • ✔Wide Range of Applications – 18650/26650/32650 and other cylindrical lithium batteries, nickel-hydrogen batteries, nickel-cadmium batteries, etc. can be welded firmly.
  • ✔Power Selection – Spot Welding Machine Lithium Battery Control Board needs its own power supply, supporting 6.5V-16V power supply, battery discharge current <900A, short circuit current <1800A, beyond the above range may damage the control board.
  • ✔Easy to Use – The product package comes with a small file for maintaining the welding pen, main board of spot welder, full set of accessories. In the process of using the spot welder board, see our pictures for details. You only need to provide battery power to connect our motherboard to DIY 18650 and other batteries.
354 Reviews
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 2A Input
  • 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.
  • Adjustable output power of 6 grades, more accurate welding and more stability welding. Automatic and manual mode adjustable, easy to operate. Detailed English instruction manual, easier to use.
  • 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.
  • The welding pen is comfortable to use, the length of welding pen is 40cm, that makes operation more flexible. It is low resistance oxygen free copper material, welding stability.
  • 【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.
MinderRC DH30 MAX 10000mAh Portable Spot Welder With Color Screen For Welding MAX 0.2mm Nickel Strip Battery Spot Welding Machine Firmware Upgraded
4 Reviews
MinderRC DH30 MAX 10000mAh Portable Spot Welder With Color Screen For Welding MAX 0.2mm Nickel Strip Battery Spot Welding Machine Firmware Upgraded
  • Aluminum housing: Can guarantee safety in extreme situations, in case of battery on fire;
  • Color Screen: Can easily to know the remaining battery, gear levels of the spot welder,delay time,charing or discharging voltage and current;
  • Built-in 10000Mah Rechargeable Battery: Real capacity 5000mAh high-rate rechargeable polymer lithium battery,with type-C charging cable,can be fully charged within 3 hours, and it can continuously weld thousands of points after being fully charged.What’s more, if you need charge your phone,the mini welder can be used as a power bank.
  • Replaceable spot welding pin design: Can easily to replace the welding pin;
  • U Disk Firmware Upgrade: Go to offical website,download the new firmware,Just cop it to the U Disk of spot Welder to do a firmware upgrade;
SUIDI Pure Nickel Strip 2P 0.15/0.2x27.5x21.5mm for Li Cell Battery spot Welding,21700 Battery Nickel Strip 2p spot Welder (0.15x27.5x21.5 2M)
6 Reviews
SUIDI Pure Nickel Strip 2P 0.15/0.2×27.5×21.5mm for Li Cell Battery spot Welding,21700 Battery Nickel Strip 2p spot Welder (0.15×27.5×21.5 2M)
  • 6.6fts/belt Pure Nickel Strip comes 0.15mm thickness x 27.5mm wide x 21.5mm(distance between 2pcs 21700 batteries center) 2P suit for 21700 batteries spot welding
  • High purity pure nickel strip,Purity reached 99.96%,21700 nickel strip,pure nickel strip 21700 2p
  • 6.6fts(2Meters)/roll, Suitable for small battery projects, one whole, One continuous piece, no cut and no waste,
  • The nickel element is a magnetic metal, with weak magnetic properties, can be attracted by the magnet, Please correct a misunderstanding that being attracted to a magnet is not pure nickel.
  • o judge whether it is pure nickel, (1) the sander grinds, there is no spark, (2) put in salt water, it will not rust,
Spot Welder, Battery Welder, Portable Mini Spot Welder 6 Gears Adjustable, Spot Welder Machine for DIY Battery, Built-in 5000mAh Rechargeable Battery, Type-C Port, Nickel Strip & USB Cable
7 Reviews
Spot Welder, Battery Welder, Portable Mini Spot Welder 6 Gears Adjustable, Spot Welder Machine for DIY Battery, Built-in 5000mAh Rechargeable Battery, Type-C Port, Nickel Strip & USB Cable
  • 【6 Gears Adjustable】The battery spot welder with 6 gears output power-adjustable, can weld different nickel and other metal thicknesses. The spot welder can be switched with manual mode and automatic mode.
  • 【Large Capacity】The mini spot welder has a large capacity of 5000 mAh, built-in rechargeable 2 electric power lithium batteries, discharge current >650A, environmentally friendly. Type-C 2A input, it can be fully charged in about 2 hours. We can also use it to charge our other devices.
  • 【Welding Pen】The welding pen is comfortable to use, the length of welding pen is 40cm/15.8 inches, that makes operation more flexible. 7mm spot welding special red copper has ultra-low resistance and anti-oxidation.
  • 【Protection Function】The spot welder own perfect over-charge, over-discharge and over-temperature protection functions. 8 minutes without any operating will automatically be turned off. Better help protect you during using from potential threats.
  • 【Multi-purpose】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 to other iron, steel, stainless steel materials.
Upgraded Portable Spot Welder with LCD Screen, Seesii 80 Gears Adjustable Mini DIY Battery Spot Welder for Battery Plate Welding, Built-in 7500ma-h Battery, Nickel Strip & USB Charging Cable
212 Reviews
Upgraded Portable Spot Welder with LCD Screen, Seesii 80 Gears Adjustable Mini DIY Battery Spot Welder for Battery Plate Welding, Built-in 7500ma-h Battery, Nickel Strip & USB Charging Cable
  • ★【Upgraded LCD Visible Screen Design】:Our DIY battery spot welder machine is 2021 newly designed with visible colorful LCD Screen, can clearly know the remaining battery, delay time, temperature and gear level of the spot welder.The working condition of the product can be understood at a glance through the screen,make your spot welding journey easier and safer.
  • ★【80 Gears Adjustable】:This mini spot welder equipment with 80 gears output power adjustable,it can be adjusted 1-8 gears and 1.1-5.4-8.0 gears according to your different needs,very fine adjustments can make the welding more precise and the spot welding effect more perfect.
  • ★【Built-in 7500Mah Rechargeable Battery】:Seesii portable spot welder built in 7500mAh high-rate rechargeble polymer lithium battery,with type-C charging cable,can be fully charged within 3 hours, and it can continuously weld thousands of points after being fully charged.What’s more, if you need to it charge to your phone,the mini welder tool can be used as a power bank.
  • ★【With 40cm Welding Pen & Portable Design】:The gold-plate spot-welding pen consists of multiple strands of high temperature wire,with fine conductivity,torsional resistance ability and low contact resistance,using safely.The compact and portable size design is also very easy to carry.It is a very ideal spot welding tool for you.
  • ★【Wide Application & Warranty】: This DIY spot welding machine is mainly used in the welding of nickel sheet of cylindrical battery, NI-MH battery, nickel cadmium battery like 18650.The best service to our customers is our aim,if you have any questions about our item, please feel free to contact our customer service,we will do our best to solve the problem for you.
Sale
Upgraded Enhanced Rechargeable Portable Spot Welder Machine 6 Gear Adjustable Mini Small Battery Spot Welder DIY Spot Welding Nickel Strip and 18650 Battery Type-C Fast Charging 5M Nickel Strips
300 Reviews
Upgraded Enhanced Rechargeable Portable Spot Welder Machine 6 Gear Adjustable Mini Small Battery Spot Welder DIY Spot Welding Nickel Strip and 18650 Battery Type-C Fast Charging 5M Nickel Strips
  • 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.
  • Adjustable output power of 6 grades, more accurate welding and more stability welding. Automatic and manual mode adjustable, easy to operate. Detailed English instruction manual, easier to use.
  • 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.
  • The welding pen is comfortable to use, the length of welding pen is 16 inches, that makes operation more flexible. It is low resistance oxygen free copper material, welding stability.
  • 【Our service】The product package comes with a small file for maintaining the welding pen, a Type-C fast charging cable, and a 5 meter high-quality nickel sheet.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.
Spot Welder, Seesii 10000ma-h Portable Spot Welder Enhanced 99 Gears Adjustable with LCD Colorful Display Mini Spot Welder for Real 0.1-0.25mm Nickel Sheet Battery Welding
3 Reviews
Spot Welder, Seesii 10000ma-h Portable Spot Welder Enhanced 99 Gears Adjustable with LCD Colorful Display Mini Spot Welder for Real 0.1-0.25mm Nickel Sheet Battery Welding
  • ✅【Enhanced 0.1-0.25mm Battery Spot Welder】: This mini spot welder enhances the battery energy storage capacity to 10000mA-h, with type-C charging cable,can be fully charged within 3-5 hours,and it can continuously weld thousands of points after being fully charged.Most importantly, the upgraded spot welder can easily weld 0.1-0.25mm thick nickel sheets, which can help you make a perfect battery packs.
  • ✅【99 Levels of Adjustable Output】: Our Seesii spot welder with 99 levels output power adjustable,it can be adjusted 1-99 levels according to your different needs,very fine adjustments can make the welding more precise and the spot welding effect more perfect.If you are a new learner you can adjust the delay time to delay the automatic weld time( 1-5s), it’s very friendly for the beginner.
  • ✅【LCD Visible Screen Display】: Our spot welder for battery is 2022 newly designed with visible colorful LCD Screen, can clearly know the remaining battery, delay time, temperature and gear level of the spot welder.The working condition of the product can be understood at a glance through the screen,make your spot welding journey easier and safer.
  • ✅【Intelligent and Safe to Use】:The 18650 spot welder kit equipped with the upgraded chip, so that the use of electric welding is more in line with human nature. When the temperature is higher than 60℃/140°F, the spot welder will automatically stop working to avoid damage to personnel or items.Note: After receiving the product, please practice many times to find the right spot welding strength, this is a small battery pack welding machine suitable for beginners and professional welders.
  • 🎁【Abundant Accessories & 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.Equipped with 1 x spot welder, 2 x 5M nickel strip, 1 x metal file, 1 x USB-c cable, 1xSoldering pen needle. The upgraded spot welder and complete accessories is the great gift for Father, Husband, Boy Friend, DIYer.
Spot Welder, Portable Transistor Mini Spot Welder, LCD Screen Parameter Display, Spot Welding Nickel Strip And 18650 Lithium Battery, DIY Spot Welder Kit, Battery Capacitor Multiple Power Supplies
14 Reviews
Spot Welder, Portable Transistor Mini Spot Welder, LCD Screen Parameter Display, Spot Welding Nickel Strip And 18650 Lithium Battery, DIY Spot Welder Kit, Battery Capacitor Multiple Power Supplies
  • EXCELLENT QUALITY: This spot welder is controlled by single-chip computer, the output pulse is precise and ensures the welding quality. The welding pen and input wire are connected by U-type cold press terminal, easy to disassemble and replace. Power board adopts 2 ounces of laying copper to increase the over-current capacity. Using 5pcs 300A MOS tubes, non-disassembled MOS tubes, good tube consistency.
  • SECURITY PROTECTION: MOS tube drive using imported special chip drive, the fastest can be 20nS can play MOS tube, switch quickly to prevent blowing up the tube. MOS drive design to increase the transient diode to protect MOS, to prevent blowing up the tube.
  • SCOPE OF APPLICATION: This small battery spot welder is mainly used for repair or play rechargeable batteries, electric tools, models, etc.. For some small items, small equipment welding, to weld the amount of battery is not so large, do a transformer spot welder is not very cost-effective, so this controller is more suitable. Find a 3S 50C 5000mAH, or 12V 50AH or more batteries, you can weld, very convenient.
  • ACTUAL TEST: After actual test, when the battery adopts 3S, 40C, 5000mHA, it can weld 0.1mm nickel-plated steel strip perfectly. Welding 0.15mm nickel-plated steel strip, you need to polish the tip of the soldering needle into a round head, press the pressure to reduce the strength, you can also weld on! When the battery adopts 12V, 50AH auto level, it can perfectly weld 0.15mm nickel-plated steel strip, note that it is an auto battery, not an ordinary battery.
  • WARM TIP: The controller is designed to reduce the requirements of the user as much as possible, but still requires the user to have a certain electronic foundation, security awareness, if even the multimeter can not use, AC and DC are not distinguishable, it is better not to use.
GLITTER 801D Battery Spot Welder 12 KW Capacitor Energy Storage Spot Welding Machine, Mini Portable Precision Pulse Battery Welding Equipment for 18650, 14500 Lithium Battery Pack Building
43 Reviews
GLITTER 801D Battery Spot Welder 12 KW Capacitor Energy Storage Spot Welding Machine, Mini Portable Precision Pulse Battery Welding Equipment for 18650, 14500 Lithium Battery Pack Building
  • The new-designed battery spot welder is equipped with two super capacitors for energy storage and a stable power source for pulse spot welding. Compared to the traditional AC spot welder, it has no interference to the electric circuit and no more tripping problems. The max pulse welding power can be up to 12 KW, ensuring you a reliable welding effect.
  • The portable welder has a small size and light weight, allowing for easy transport while still adopting 100-240 V wide-voltage input for use anywhere you need. Compared to the traditional big size and heavy spot welding machine, it is smaller and lighter, but more powerful and reliable.
  • Equipped with the 73B mobile welding pen, 73S handle-push welding arm, and ‘AT/MT’ two welding modes, you can finish the welding work easily and efficiently, the welding spot is nice and elegant. The capacitor energy-gathered pulse technology and low power consumption enable you to use the machine for 12 hrs efficient welding work with no heating problems.
  • The pulse welding power can be set up conveniently via two adjusting buttons(0-99 range), which are shown directly on the panel LED screen(welding power/capacitor voltage/actual welding current are displayed). The maximum welding energy is 238 J, 0.4mm nickel-plated, and 0.35mm pure nickel can be easily welded.
  • Used in batteries, metal hardware, electronic components spot welding work
Mulcort 12V DIY Portable Spot Welding Machine Battery Storage PCB Circuit Board Welding Device Spot Welders for 18650 26650
1 Reviews
Mulcort 12V DIY Portable Spot Welding Machine Battery Storage PCB Circuit Board Welding Device Spot Welders for 18650 26650
  • There is a window on the back of the drive part, you can add copper or tin by yourself.
  • The external pads for the LED and the on-board buttons are added to facilitate the connection of the LEDs and buttons on the board to other places.
  • The upper and lower MOS design is bold and tinned to make the internal resistance smaller and the current stronger.
  • Using 25V low internal resistance and high frequency capacitors makes the power supplies more stable.
  • This circuit with a 12-V battery will become an energy storage spot welding machine for welding nickel pieces such as lithium batteries and nickel-chromium batteries. According to different configurations, the thickness can be about 0.1mm-0.15mm
Mophorn 737G Battery Welding Machine, 0.15mm Pulse Spot Welder,110V Battery Spot Welder and Soldering Station Portable Pulse Welding Machine for Battery Pack 18650 14500 Lithium Batteries
164 Reviews
Mophorn 737G Battery Welding Machine, 0.15mm Pulse Spot Welder,110V Battery Spot Welder and Soldering Station Portable Pulse Welding Machine for Battery Pack 18650 14500 Lithium Batteries
  • Push up Welding: Fixed welding tips have LED light function for precise fixed welding. It is also called push up welding mode which made for assemble small size battery pack.
  • Pedal Welding: It you need precise spot weld, pedal welding is made for you. By controlling the foot pedal, precise location and timing you want is well served for you.
  • Distinct LCD Panel: It shows pulse quantity and current when you are at work with this machine. The distinct panel also allows you to set current and pulse easily and quickly.
  • Efficient Cooling System: The radiator is 4100 rpm; with built-in smart chip to avoid overheating damage of the welder, automatic short-point protection, so as to avoid overheating of welding.
  • Wide Application: Suits for various sizes of battery pack, button battery, polymer battery and board, Apple mobile phone camera, stainless steel hardware, stainless steel mesh, etc.

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