SeeSii Battery Spot Welder, Handheld Spot Welder with a Battery Tester for 0.1-0.25mm Nickel, Portable Spot Welding for 18650/lithium battery
Product DescriptionCombo Offer: The SeeSii battery spot welder and battery tester checker offers a portable, integrated solution for both battery welding and power level diagnostics; eliminates the need for separate tools
Clear LCD Display: Stay in control with a vivid color display that lets you monitor voltage, gear setting, and remaining battery life instantly—no guesswork, just clear, real-time insights
Integrated Handheld Design: Compact, lightweight, and designed for one-handed operation, SeeSii mini spot welder features a built-in welding pen and power module; Perfect for home repairs, workshops, or field work
80 Adjustable Levels for Precise Welding: With 80 power settings and auto/manual modes, it welds 0.1–0.25mm nickel sheets seamlessly; Compatible with 18650, 26650, 32650, NiMH, and Ni-Cd batteries for clean, consistent results
Built-in Rechargeable Battery with Fast Charging: The handheld spot welder’s internal battery frees you from power cords, letting you weld anytime, anywhere; Type-C fast charging drastically reduces downtime, ensuring your spot welding projects stay on track
Product Details| Brand: | Seesii |
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| Model #: | SE-209 |
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| Price: | $32.99 |
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SeeSii Battery Spot Welder, Handheld Spot Welder with a Battery Tester for 0.1-0.25mm Nickel, Portable Spot Welding for 18650/lithium battery
SeeSii Battery Spot Welder, 11000mA-h Spot Welding with LCD Screen Upgraded Enhanced 80 Gears Adjustable Portable Mini Spot Welder with 2x5M Nickel Sheet & 4X4 Holder For Making Battery Packs

$54.99
@ Amazon.com (Save 21%)
Product DescriptionUpgraded 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)
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
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
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
Product Details| Brand: | Seesii |
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| Model #: | LI58USCP5B0002US |
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| Dimensions: | 6.4960629855 X 3.543307083 X 1.574803148 inches (Length X Width X Height) |
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| Price: | $54.99 (Save 21%) |
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SeeSii Battery Spot Welder, 11000mA-h Spot Welding with LCD Screen Upgraded Enhanced 80 Gears Adjustable Portable Mini Spot Welder with 2x5M Nickel Sheet & 4X4 Holder For Making Battery Packs
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
Product DescriptionHigh-Power Welding Precision: This SEESII SE-223 battery spot welder delivers up to 1400A from 3000F supercapacitors; provides stable, high-energy output for spot welding 0.1-0.3mm nickel strips on 18650, 26650, 32650, NiMH, and Ni-Cd cells; ideal for battery pack building and precision
Precision Control with LCD Screen: This spot welder for lithium batteries offers 250 adjustable power levels in 0.1 increments; fine-tunes settings via a 1.8-inch LCD display; accommodates different nickel thicknesses and battery types for consistent, professional-grade welds
Flexible Dual Operation Modes: Designed as a professional-grade battery spot welder, it supports automatic trigger mode and manual foot pedal mode; allows hands-free welding or precise control depending on task; optimizes workflow when working with varied battery assemblies
Smart Cooling & Safety Circuitry: This advanced spot welder features a built-in power balancing circuit and intelligent fan control; protects internal capacitors and extends the life of your battery welder by preventing overheating and reducing mechanical wear
Durable Aluminum Alloy Build: Made with aviation-grade aluminum for superior heat dissipation and impact resistance; compact and portable design suits on-the-go use in battery welding, electronic assembly, and DIY projects
Product Details| Brand: | Seesii |
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| Model #: | SE301PRO |
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| Size: | Medium |
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| Color: | Black |
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| Dimensions: | 7.87401574 X 7.87401574 X 7.87401574 inches (Length X Width X Height) |
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| Price: | $109.98 (Save 8%) |
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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
SeeSii Battery Spot Welder: Handheld Mini Spot Welder with a Universal Battery Tester, 0.1-0.2mm Nickel Welding, Portable Spot Welding Machine for 18650, Lithium Battery, Coin Cell, DIY Battery
Product DescriptionCombo Offer: The SeeSii battery spot welder and battery tester checker offers a portable, integrated solution for both battery welding and power level diagnostics; eliminates the need for separate tools
Clear LCD Display: Stay in control with a vivid color display that lets you monitor voltage, gear setting, and remaining battery life instantly—no guesswork, just clear, real-time insights
Integrated Handheld Design: Compact, lightweight, and designed for one-handed operation, SeeSii mini spot welder features a built-in welding pen and power module; Perfect for home repairs, workshops, or field work
80 Adjustable Levels for Precise Welding: With 80 power settings and auto/manual modes, it welds 0.1–0.25mm nickel sheets seamlessly; Compatible with 18650, 26650, 32650, NiMH, and Ni-Cd batteries for clean, consistent results
Built-in Rechargeable Battery with Fast Charging: The handheld spot welder’s internal battery frees you from power cords, letting you weld anytime, anywhere; Type-C fast charging drastically reduces downtime, ensuring your spot welding projects stay on track
Battery Repair & Maintenance Combo Kit:Ideal for welding custom battery packs, repairing 18650, lithium batteries, and testing household batteries (AA, AAA, 9V); A must-have for electronics repair or keeping home devices running
Product Details| Brand: | Seesii |
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| Model #: | SE209combo |
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| Size: | Handheld model |
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| Color: | Black |
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| Dimensions: | 9.8 X 2.3 X 0.9 inches (Length X Width X Height) |
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| Price: | $39.99 |
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SeeSii Battery Spot Welder: Handheld Mini Spot Welder with a Universal Battery Tester, 0.1-0.2mm Nickel Welding, Portable Spot Welding Machine for 18650, Lithium Battery, Coin Cell, DIY Battery
SEESII 8000W Spot Welder: 2025 Upgraded 0.1-0.3mm Battery Spot Welder with Dual Pulse Output, 10-90 Gears Adjustable Foot Pedal Operated Portable Spot welder for Making DIY Battery Packs (SEE-08)
Product DescriptionImproved 0.1-0.3mm battery spot welding machine: The improved spot welding machine adopts dual pulse output and pedal welding mode, which can easily weld 0.1-0.3mm thick nickel plates and complete welding work easily and efficiently. The welding points are beautiful and elegant. It can be used for spot welding of batteries, hardware, and electronic components
Save time and money: The 8000W high-performance battery spot welding machine has excellent performance and long lifespan. The spot welding equipment controls two ultra-high performance batteries, emits precise pulse energy through a program with a built-in single-chip microcomputer, and generates high temperature in a very short time. After rapid cooling, weld the nickel strip and battery together to complete spot welding
LCD display: The battery voltage level is a key factor affecting the spot welding effect. Our spot welding screen can display the internal voltage of the product in real time, which is very convenient for you to check and charge in a timely manner. The product should be fully charged before its first use, and charged when the screen voltage is below 7.3V
Easy to operate: This spot welding machine is compact and lightweight, saving space at home. You can easily and quickly transport your spot welding machine to various application places. Just press the foot switch, the red light will flash rapidly 3 times, and then output power once to end the welding
Tips for Beginners: 1. After receiving the product, please charge it and practice multiple times to find the correct spot welding strength; 2. Do not touch the clamp of two pins during use, as this may cause the protective tube inside the spot welding equipment to explode and damage the spot welding equipment
Widely applicable: Spot welding machines with high output power can be used to connect nickel bars of batteries, or spot weld iron plates and stainless steel plates. It is also suitable for rapid welding of 0.1-0.3mm nickel plated steel plates and 0.1mm pure nickel plates; It is very suitable for manufacturing battery packs and technical maintenance
Product Details| Brand: | Seesii |
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| Model #: | SEE-08 |
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| Dimensions: | 1 X 1 X 1 inches (Length X Width X Height) |
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| Price: | $64.99 |
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SEESII 8000W Spot Welder: 2025 Upgraded 0.1-0.3mm Battery Spot Welder with Dual Pulse Output, 10-90 Gears Adjustable Foot Pedal Operated Portable Spot welder for Making DIY Battery Packs (SEE-08)
Spot Welder, Seesii Farad Capacitor Battery Spot Welder 3000F 120 Gears Adjustable Capacitor Energy Storage Portable Spot Welder, Support 0.1-0.3mm Nickel Strip Spot Welding for Battery Pack Making
Product DescriptionOperation Tips: Avoid prolonged high-frequency/high-power operation to prevent overheating; After 30 minutes of continuous use, pause to cool the welder and recharge it fully; This maintains welding precision and extends the welder's service life
Welding Capability: SE202 Farad Capacitor Spot Welder, equipped with dual supercapacitors, enables effortless welding of 0.1-0.25mm thick nickel-plated sheets; When fully charged, the spot welder is capable of welding 0.3mm nickel-plated electrodes under standard operating conditions
Advanced Spot Welder: Powered by two imported Farad capacitors and a high-performance MCU; Features automatic mode, power adjustment, delay setting, and temperature monitoring; Avoids circuit interference and tripping issues
120 Adjustable Levels: Spot welder with 120 adjustable power levels; Easily fine-tune by rotating the button (0-120); Ensures precise welding accuracy for optimal results. The more precise the adjustment, the better the spot welding effect
Innovative Design: Newly designed spot welders machine will display a progress bar on the screen during spot weld mind you the welding process. And comes with 4 welding needles, you can detach and change the spot welder pen easily
Intelligent and Safe Operation: Utilizes capacitor energy-gathered pulse technology and low power consumption; Supports 12 hrs of continuous welding without overheating; Requires initial 20 min charge before use, Spot weld when the voltage exceeds 5V
Product Details| Brand: | Seesii |
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| Model #: | LI58USDYL0061 |
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| Size: | 3000F |
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| Color: | As Shown |
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| Dimensions: | 9.6456692815 X 7.086614166 X 2.755905509 inches (Length X Width X Height) |
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| Price: | $119.98 (Save 23%) |
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Spot Welder, Seesii Farad Capacitor Battery Spot Welder 3000F 120 Gears Adjustable Capacitor Energy Storage Portable Spot Welder, Support 0.1-0.3mm Nickel Strip Spot Welding for Battery Pack Making
SEESII Spot Welder
Product DescriptionThe battery spot welder is applicable to different types of cylindrical lithium batteries (18650, 26650, 32650), mobile phone batteries, nickel-metal hydride batteries, and nickel-cadmium batteries; It can weld nickel-plated sheets with a thickness of 0.1-0.2mm
Product Details| Brand: | Seesii |
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| Model #: | SE-209 |
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| Price: | $39.99 |
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SEESII Spot Welder
Battery Spot Welder, AWithZ 1.5" LCD Screen Recyclable 11000mAh Spot Welder, 99 Gears Adjustable Battery Welder, Mini Spot Welder for 18650 Battery (11000mAh)
Product DescriptionWidely 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 |
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| Model #: | 11000mAh |
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| Price: | $65.99 |
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Battery Spot Welder, AWithZ 1.5" LCD Screen Recyclable 11000mAh Spot Welder, 99 Gears Adjustable Battery Welder, Mini Spot Welder for 18650 Battery (11000mAh)
5000W Handheld Spot Welder, Mini Battery Spot Welder 9-Speed Adjustable, Portable Spot Welding Machine DIY Kit with Nickel Strap and Spot Welding Pen for 18650 Battery Pack Welding Tools
Product Description💣【Material Is Durable】The 5000W High power spot welding machine is good performance and long service life. Which is ABS shell material, surface anodizing technology, anti-abrasive and safe to use. The spot welding machine is come with welding pen with good conductivity and low contact resistance.
🔋【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】: This is a small battery pack welding machine suitable for beginners and professional welders.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 |
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| Model #: | Spot Welder |
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| Price: | $44.99 |
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5000W Handheld Spot Welder, Mini Battery Spot Welder 9-Speed Adjustable, Portable Spot Welding Machine DIY Kit with Nickel Strap and Spot Welding Pen for 18650 Battery Pack Welding Tools
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
Product Description[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 |
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| Model #: | SH2-US |
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| Dimensions: | 0.69 X 1.5 X 6.1 inches (Length X Width X Height) |
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| Price: | $35.99 |
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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