Upgrade your DIY and battery repair projects with the Portable Spot Welder Digital 18650 Lithium Battery Kit, a compact yet powerful welding solution designed for precision, portability, and efficiency. Ideal for welding 0.1–0.25mm nickel plates, this mini spot welder combines high-capacity lithium battery power with a digital color display and adjustable speed settings, allowing you to tackle every welding project with confidence.
The digital display ensures accurate welding measurements for consistent, professional results, while the adjustable gear settings (30-speed adjustable) give you full control over your welding parameters. Its portable, lightweight design (112x80x30mm, 0.5kg) makes it easy to carry anywhere, perfect for DIY enthusiasts, hobbyists, and repair professionals on the go.
Powered by a 5000mAh rechargeable lithium battery, this welder delivers long-lasting performance, supports over 800–2000 welding cycles, and doubles as a convenient power bank for charging your devices. Built with ABS + PCB durable materials, the kit is engineered for stability, safety, and reliability, including overcurrent, over-temperature, and low-current protections, plus an automatic self-check function when the welding pen touches the nickel plate.
With dual mobile welding pens, silent operation, timing auto power-off, and a robust copper welding tip, this spot welder ensures precise, fast, and safe welding for all your small-scale battery and DIY projects.
Specifications
Type: Handheld Mini Spot Welder / Battery Welding Machine
Material: ABS + PCB
Battery Type: 18650 Lithium, 5000mAh
Voltage: 4.2±0.05V
Welding Current: 6–800A
Overcurrent Protection: 1.12KA
Battery Life: 800–2000 weld cycles, 1000 cycles working life
Digital Display: Yes, color display with adjustable brightness
Adjustable Gear: 30 speeds
Size: 112x80x30mm (4.41x3.15x1.18in)
Weight: 0.5kg
High-Concerned Chemical: None
Choice: Yes
Standby Current: 20uA, theoretical standby >2.5 years
Features: Over-temperature protection, overcurrent protection, silent mode, full electric welding, self-inspection function, power bank interface
