Best 18650 Lithium Battery Spot Welder For Battery Assembly Line

The ACEY-S200B is designed for spot welding and assembly of battery packs in industrial settings, supporting multi‑parallel and multi‑series configurations with cell types including 14500, 18650, 21700, 26650, and 32700. It is widely used in electric tool batteries, torsion car batteries, energy storage packs, and scooter EV batteries. Compared to manual welding, the ACEY-S200B significantly improves both welding efficiency and accuracy. Its human‑centered design ensures easy operation and straightforward debugging, while the integrated component layout gives the machine a clean, compact appearance.

1. High‑Power Transistor Power Supply
Delivers stable high current for high‑precision, high‑strength welding of various lithium battery packs.

2. 0.35s Ultra‑Fast Welding Speed
Welds one point in just 0.35 seconds, achieving up to 10,000 points per hour and greatly boosting production efficiency.

3. ±0.02mm Ultra‑High Positioning Accuracy
Servo motor + precision ball screw and linear guide ensure consistent, accurate spot positioning.

4. 100 Groups of Parameter Storage
Stores multiple welding recipes for quick product changeover without repeated parameter setup.

5. Intelligent Alarm System
Provides real‑time alerts for cold solder joints, open joints, and welding pin wear to reduce defects.

6. Built‑In Real‑Time Current Monitoring
Displays actual welding current visibly for better process control and reliability.

7. Large Customizable Travel Range
X/Y axis travel is customizable, compatible with 18650, 21700 and all common cylindrical cells.

8. User‑Friendly HMI
Embedded system supports matrix, array and point programming; easy to operate and debug.

9. Design for NB, Power Tool, Gardening Tool, High Power, Energy Storage battery, Electric Motor Car Battery Pack, and other.