Welding Machines & Accessories

SeeSii Battery Spot Welder Review

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The SeeSii Battery Spot Welder is a powerful tool. It’s designed for making battery packs. This spot welder boasts an 11000mAh capacity. It ensures long-lasting performance. The LCD screen provides clear information. Users can easily monitor settings. This makes it a great mini spot welder.

This upgraded SeeSii welder offers enhanced adjustability. It features 80 gears. Users can fine-tune welding parameters. This allows for precise control. The portable design makes it convenient. You can take it anywhere. This spot welding machine is highly versatile. It comes with two 5-meter nickel sheets. Four 4×4 holders are also included.

SeeSii Battery Spot Welder

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Building battery packs becomes simple with this device. The included accessories are helpful. Nickel strips are essential for connections. The holders keep cells secure. This battery spot welder kit provides everything needed. It’s ideal for DIY enthusiasts. Professional users will also find it valuable. The SeeSii is a reliable spot welding solution.

Furthermore, the 11000mA-h capacity means extended use. No frequent recharging is needed. The 80-gear adjustment ensures perfect welds. This prevents damage to batteries. The LCD screen improves user experience. It displays crucial data. This portable spot welder is a smart investment. It simplifies complex tasks.

In conclusion, the SeeSii is a top-tier battery spot welder. Its features cater to various needs. The large battery capacity is a plus. The extensive gear adjustment is beneficial. The included accessories add value. This mini welder is highly recommended. It’s perfect for all your battery pack building projects. It’s a premium welding tool.  Read more…

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Best Seesii Battery Spot Welder Deals

SEESII Battery Spot Welder: 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

  • ✅ Fully Cordless​: 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 (Welding quality closely links to battery charge level)
  • ✅ 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 2000mAh 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, 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

SEESII 10KW Battery Spot Welder: Cordless 10000mAh Spot Welding Equipment, Color LCD Display, 25 Adjustable Gears, Auto/Foot Pedal Control, for Battery Packs DIY & Repair

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Key Features

  • ✅ 【Upgraded Battery Spot Welder】Delivers a peak output power of 10KW; It enables solid welding for nickel-plated sheets under 0.3mm and pure nickel sheets under 0.15mm in thickness
  • ✅ 【10000mAh Rechargeable Battery】Built-in ultra-large capacity battery; According to official test data, it can support more than 300 welding times when fully charged and set to gear 25 (Note: For optimal performance, fully charge it to 100% before first use)
  • ✅ 【Multi-Scene Application】Perfect for battery assembly, maintenance and DIY projects; Great for DIY and repair of power tool, electric vehicle and drone battery packs, as well as thin metal welding (Note: Aluminum and copper are not recommended due to high welding difficulty)
  • ✅ 【Clear Parameter Display】Color screen displays real-time voltage and other parameters for easier operation (Note: Welding quality is closely tied to the voltage level; Higher voltage brings better welding performance and firmer welds; Please charge when below 7.3V)
  • ✅ 【Compact Design】Compact overall size with the longest side approx 6.5 inches, lightweight and portable; A powerful yet compact battery repair station

Product Details

Brand:Seesii
Model:SE-402
Color:Black
Dimensions:1 X 1 X 1 inches

SEESII 10KW Capacitive Battery Spot Welder: 12V Power Supply Available, Spot Welding Machine with Low Internal Resistance, Overvoltage Protection, for Battery Packs DIY & Repair

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Key Features

  • ✅ 10KW High Welding Power: Features a 10KW maximum output for strong, stable welding performance; It firmly welds up to 0.3mm nickel-plated sheets, 0.2mm pure nickel sheets, and 0.2mm low-carbon steel sheets, covering mainstream battery welding and metal repair requirements
  • ✅ Advanced Super Capacitor Energy Storage: Utilizes premium super capacitor energy storage technology to collect energy via low-current accumulation; Compatible with 12V+ power sources, it enables outdoor portable operation; The low-voltage structure eliminates electric shock hazards, ensuring safer daily use
  • ✅ Heavy-duty Metal Construction: Adopts integrated metal housing with outstanding wear, collision and deformation resistance; It withstands frequent daily operation and external impacts, effectively prolonging the machine’s service life
  • ✅ Intuitive Screen Operation: Built with a high-definition display for clear, real-time parameter viewing; It simplifies human-computer interaction and allows fast, precise parameter adjustment with no complex operations, greatly improving working efficiency
  • ✅ 250 Precision Adjustable Gears: Equipped with 250 fine-tuning gear levels to adapt to different metal materials and sheet thicknesses; Precise gear adjustment delivers optimized welding effects for diverse application scenarios

Product Details

Brand:Seesii
Model:‎SE-223
Size:Medium
Color:Black
Dimensions:7.87401574 X 7.87401574 X 7.87401574 Inches

SEESII Capacitive Battery Spot Welder: 10KW(2000A) High Power Output, Includes 6 Copper Welding Pins, Plug-in Spot Welder for Lithium Batteries, Nickel Sheet (Battery Repair)

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Key Features

  • ✅ 【Upgraded Version】This upgraded spot welder has stronger welding performance, with firmer and more beautiful welds; It has a maximum power of 10KW and a peak current of 2000A, ensuring stable and efficient welding
  • ✅ 【Multi-Scene Application】Ideal for battery assembly, maintenance and DIY enthusiasts, it fits power tool, electric vehicle, aircraft model battery pack DIY/repair, and thin metal welding (aluminum/copper are not recommended due to high welding difficulty); It welds nickel-plated steel strip (max 0.4mm), pure nickel (max 0.3mm), low-carbon steel/stainless steel (within 1mm)
  • ✅ 【999 Precision Gears】With 999 gear settings, users can choose the optimal gear according to material type and thickness to optimize welding effect; This precise adjustment avoids issues like weak welds or burn-through
  • ✅ 【Continuous Welding】Supports continuous welding function, ideal for thicker materials; Set continuous welding times (max 3 times) to trigger multiple welds with one contact
  • ✅ 【Multiple Safety Protections】Built-in over-temperature, over-voltage and over-current protection to ensure safe and reliable use for users at all skill levels; And these protection mechanisms effectively avoid equipment damage

Product Details

Brand:Seesii
Model:SE-305
Color:Black
Dimensions:7.1 X 3.4 X 3.7 inches

SEESII Battery Spot Welder: Continuous Welding Function, 8.0Ah Rechargeable Capacity, Portable Spot Welder with Visual Display, Perfect for DIY/Repairs

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Key Features

  • ✅ 【8000mAh Rechargeable Battery】Experience unrestricted cordless operation for on-the-go or on-site use — charge the battery to full capacity (100%) prior to initial use to unlock peak performance
  • ✅ 【High-Power Welding Performance】Boasting a maximum output of 10080W, this portable spot welder outperforms conventional models in its class; It delivers reliable, consistent welds for 0.25mm nickel-plated sheets and 0.15mm pure nickel sheets
  • ✅ 【NEW FEATURE Continuous Welding】Customize the number of repeated weld cycles (default setting: 1); For thicker workpieces, increase the cycle count to achieve robust, long-lasting weld joints
  • ✅ 【Space-Saving Standable Structure】Integrated vertical stand design enables stable upright placement, reducing storage space while ensuring consistent precision during every welding operation
  • ✅ 【User-Friendly Visual Display】The intuitive screen provides real-time monitoring of welding progress, device temperature, and remaining battery life—enhancing operational convenience and control

Product Details

Brand:Seesii
Model:SE301
Color:Blue

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/Button 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 Button 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

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

13000W Battery Spot Welder, Awgem 0.1-0.4mm Portable Spot Welder with Rotary Knob 100 Gears, Auto/Foot Pedal Modes, Dual-Pulse Spot Welder for Lithium Battery Repair and Welding

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Key Features

  • ✅ 13000W Powerful Spot Welder: Delivers an instant peak power of 13000W on a full charge with dual-pulse technology. Welds up to 0.4mm nickel-plated strip, 0.3mm steel sheet, and 0.3mm iron sheet (battery level dependent). Produces strong, clean welds with low splatter - perfect for 18650/26650/36650 battery pack welding, plus appliance and tool battery repair
  • ✅ Smart Side Port Layout: The charging port, welding pen port, and foot pedal port are placed on different sides - no tangled cables and no blocked screen. The display clearly shows all parameters: dual mode (auto/foot pedal), trigger time (0 - 5s), power level (0 - 100), and continuous welding count (1 or 2 pulses). Keep your workspace tidy, all parameters clear, and every operation effortless
  • ✅ Fine Adjustment Knob, Auto & Foot Pedal Modes: The rotary knob gives you precise control over 0 - 100 power levels. Seamlessly switch between automatic mode and manual foot pedal mode. Whether you're doing fine tasks (phone/button battery) or heavy-duty applications (cylindrical battery packs), you can fine-tune the welding strength and get optimal results every time
  • ✅ Low Battery Warning & High Safety: The battery level flashes while charging - a full charge takes about 5 hours and gives you up to 330 consecutive welds at max power. If something goes wrong (low voltage or overheating), on-screen icons light up and the welder automatically shuts off until conditions return to normal
  • ✅ Complete Kit: Includes 1 x 10000 mAh SK1 battery spot welder, 2 x welding pens, 1 x foot pedal, 1 x roll of nickel-plated strip, 1 x pair of replacement welding pins, 1 x Type-C charging cable and 1 x user manual. No extra accessories required. It makes a perfect gift for family, friends or DIY battery enthusiasts

Product Details

Brand:Awgem
Model:SK1P3-10000mah
Size:SK1P3-10000mAh

Battery Spot Welder 1.8" LCD Screen Portable Handheld Spot Welding Machine Double Pulse Adjustable for 18650 Battery Packs/Cylindrical Batteries

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Key Features

  • ✅ 【Smart & Powerful Welding】 This portable spot welder features an intelligent processor for precise, efficient output control. Utilizing dual-pulse welding technology, it delivers clean, strong, and reliable welds—perfect for 18650 battery packs, electronic spot welding, lithium battery assembly, electronics repair, and laboratory use.
  • ✅ 【1.8" HD LCD Display】 Designed for an enhanced user experience, the 1.8-inch high-definition color LCD screen offers a clear, intuitive interface with adjustable brightness. Displays real-time welding current and temperature for accurate, efficient operation.
  • ✅ 【1200A High Welding Power】 With a maximum output current of 1200A, this welder ensures stable, durable connections. Ideal for welding nickel strips, battery packs, or small metal parts with professional-grade results.
  • ✅ 【USB Output & Fast Charging】 More than just a welder—features USB-A output (up to 5.2V 3.1A) to power or charge other devices. Type-C input (up to 5V 1.5A) supports quick, efficient charging for uninterrupted operation.
  • ✅ 【Compact & Safe Design】 Built with premium ABS, acrylic, and silicone materials for durability, this lightweight, ergonomic welder includes short-circuit and over-temperature protection for safer use.

Product Details

Brand:Hosyond
Model:TK-10A
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