9-Speed Handheld Spot Welder – 18650 Li-Ion Battery Welder Kit
9-Speed Handheld Spot Welder – 18650 Li-Ion Battery Welder Kit
9-Speed Adjustable Handheld Spot Welder – Portable Battery Welding Kit
Take your electronics repair and DIY battery assembly projects to the next level with this compact, one-handed Portable Handheld Spot Welder. Featuring 9 adjustable power settings, an 800A output current, and a built-in 2200mAh lithium-polymer battery, this kit delivers professional-grade spot welding performance in a lightweight, travel-friendly design. CE and RoHS certified for quality assurance. Made in Mainland China.
Key Features
- 9 Adjustable Power Settings: Dial in the exact energy level you need for nickel-plated (0.1–0.15mm) or pure nickel (0.1–0.12mm) strips, giving you precise control over every weld.
- High-Output Performance: 800A output current and 3360W output power ensure clean, reliable welds on thin nickel strips used in battery packs and electronic assemblies.
- Built-In 2200mAh Battery: Charge via the convenient Type-C port (DC 5V/2A input) so you can work untethered — no external power source needed on the workbench or in the field.
- Clear LED Display: Three-colour LED indicators keep you informed at a glance — red for charging status, blue for battery level, and white for current power setting.
- Pure Copper Welding Needles: Threaded, detachable pure copper tips deliver superior conductivity and are easy to replace when worn.
- Comprehensive Safety Protections: Built-in surge protection, voltage regulation, short-circuit protection, low-temperature protection, high-temperature protection, overcharge protection, and over-discharge protection keep you and your components safe.
- Ergonomic One-Handed Design: At just 240g and measuring 187 × 42 × 23mm, this welder fits comfortably in one hand for extended repair sessions.
- Wide Application Range: Ideal for mobile phone repairs, DIY electronics projects, 18650 and lithium-ion battery pack assembly, nickel strip splicing, and hobby electronics work.
Technical Specifications
| Output Current | 800A |
| Output Power | 3360W |
| Output Voltage | 4.2V |
| Battery Capacity | 2200mAh (Lithium-Polymer) |
| Charging Input | DC 5V / 2A via Type-C |
| Adjustable Settings | 9 levels |
| Max Welding Thickness | 0.15mm (nickel-plated) / 0.12mm (pure nickel) |
| Needle Material | Pure Copper (threaded, detachable) |
| Housing Material | ABS |
| Display | LED (tri-colour) |
| Dimensions | 187 × 42 × 23mm |
| Weight | 240g |
| Certification | CE, RoHS |
| Country of Origin | Mainland China |
What's in the Box
- Handheld Spot Welder Main Unit × 1
- Nickel Coil × 1
- Type-C Charging Cable × 1
- Sandpaper × 1
- User Manual × 1
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Frequently Asked Questions
Q: What materials can this handheld spot welder weld?
A: This portable spot welder is designed to weld thin nickel strip materials — specifically nickel-plated strips up to 0.15mm thick and pure nickel strips up to 0.12mm thick. It is ideal for 18650 and other lithium-ion battery pack assembly, mobile phone battery tab welding, and general DIY electronics repair projects.
Q: How do I charge the built-in battery?
A: The unit charges via the standard Type-C port using a DC 5V/2A input. Simply connect the included Type-C charging cable to a compatible USB charger or power bank. The red LED indicator illuminates during charging, and the blue LED shows the remaining battery level.
Q: Is this spot welder safe to use at home or in a workshop?
A: Yes. The unit is CE and RoHS certified and incorporates multiple built-in safety mechanisms including surge protection, voltage regulation, short-circuit protection, overcharge protection, over-discharge protection, and both high-temperature and low-temperature protection. Always follow the included user manual instructions and work in a well-ventilated area.
Q: Can I replace the copper welding needles?
A: Absolutely. The pure copper welding needles use a threaded, detachable connection, making them easy to unscrew and replace once worn. Keeping fresh tips ensures consistent weld quality across all 9 power settings.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.