Portable Spot Welder Digital 18650 Lithium Battery Kit 30-Speed Adjustable with Display

Portable Digital Spot Welder – 18650 Lithium Battery Welding Kit with Adjustable Power & Display

This advanced portable spot welder is designed for 18650 lithium battery pack assembly, repair, and DIY projects. With digital control, a clear display, and up to 30 adjustable speed levels, it offers precision welding with safety and convenience.

✅ Features

• CNC color display with real-time welding data
• 30-speed adjustable welding power for precise control
• Intelligent over-current, over-temperature, and short-circuit protection
• Built-in battery with quick charging via USB-C
• Compact, lightweight, and easy to carry for on-site work
• High-efficiency copper welding pen for consistent performance

📦 Specifications

• Welding gears: 1000+ combinations
• Welding ability: Up to 0.15 mm nickel sheet
• Welding current: 6 A – 800 A (adjustable)
• Over-current protection: 1.12 kA
• Battery capacity: 5000 mAh
• Voltage: 4.2 ± 0.05 V
• Full charging time: ~2 hours
• Battery life: 800 – 2000 weld cycles
• Cycle life: ≈ 1000 uses
• Standby current: 20 µA
• Material: ABS + PCB
• Expected lifespan: 2.5+ years

⚙️ Usage Instructions

1. Charge fully before first use (approximately 2 hours).
2. Adjust the welding level based on nickel thickness.
3. Press the pen tips firmly on the tab and activate the pulse.
4. Allow short cooling periods during continuous welding.

⚡ Included

• 1 × Digital Spot Welder Unit
• 2 × Copper Welding Pens
• 1 × Charging Cable
• 1 × User Manual

💡 Applications

Ideal for lithium-battery repair, pack building, and DIY electronic projects.