


W04 3850mAh High Quality Mini Spot Welder for Li-Battery with 4 Gear A
In stock (10)
What is this?
Features: - 3850 battery capacity - Type-C 5V 2A input - For Android interface, support welding while charging - 4 gears adjustable - Temperature protection, automatically power off after 5 minutes standby - N times welding does not damage the welding pen Specification: - Model: W04 - Size: 112 x 85 x 25mm - Battery capacity: 3850mAh - Output voltage: 4.2V (Max) - Output current: 650A (Max) - USB output: 5V 2.4A (Max) - Micro USB input: 5V - 2A - Output interface: Micro/IN input - Recommended nickle sheet thickness: 0.1 ~ 0.2mm - Application: the precise welding of mobile electronic components, battery board replacement, lithium battery nickle sheet and etc. Package Included: - 1 x Host - 1 x Welding Pen
What can I build with it?
- General electronics and robotics prototyping
- Open AI Lab with “W04 3850mAh High Quality Mini Spot Welde” to explore a parts list
Compatibility notes
No verified pin/voltage metadata in our engineering catalog for this title. Treat electrical details as unverified until you check the datasheet.
Specifications
- W04 3850mAh High Quality Mini Spot Welder for Li-Battery with 4 Gear Adjustment price
- i have not received it yet
- Mon–Sat: 11:00 AM – 7:00 PM
- From precision DHT11/DHT22 temperature sensors to ultrasonic and gas sensors (MQ series), we cover all robotics needs. We also provide essential lab equipment including Oscilloscopes, Digital Multimeters (Uni-T, Sanwa), Soldering Stations, and 3D Printer parts (NEMA 17 motors, drivers).
- Your trusted online source for Arduino, ESP32, sensors, robotics components, 3D printing supplies, and STEM kits. Serving students, engineers, and makers across Pakistan with fast nationwide delivery.
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Listed from catalog data. Treat as merchant-provided, not independently lab-verified, unless noted above.
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Buying notes for Pakistan makers
Buy W04 3850mAh High Quality Mini Spot Welder for Li-Battery with 4 Gear A online in Pakistan with live PKR pricing from Robotics Kits — a clear catalog alternative when comparing Hall Road Lahore, Digilog, and Electrobes for Battery Charging.
W04 3850mAh High Quality Mini Spot Welder for Li-Battery with 4 Gear A suits ESP32, Arduino, robotics, IoT, and FYP builds; check real stock on Robotics Kits before you finalize a BOM or wiring plan.
Order W04 3850mAh High Quality Mini Spot Welder for Li-Battery with 4 Gear A with COD or digital payment across Pakistan, then use AI Lab to plan compatible sensors, modules, and robotics parts around this component.
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