Westobig Fnrsi Portable Handheld Battery Spot Welder With Double Pulse And 5000mAh Power Bank Function For 18650 Battery Packs
Why you'll like it
- Enhanced Weld Stability — Double-pulse technology eliminates surface oxides and reduces spark spattering for clean joints.
- Dual Functionality — Integrated A-grade 5000mAh battery doubles as a reliable USB power bank for charging devices.
- Precision Control — Features 4 adjustable combination gears and a 1.8-inch color display for monitoring operational parameters.
- Durable Design — Built with a detachable solid brass welding pen to allow easy maintenance and component replacement.
Product details
Description
Discover precision and power with the Westobig Fnrsi Battery Spot Welder, engineered for robust performance in DIY electronics and battery assembly. Designed with advanced double-pulse welding technology, this handheld tool releases two simultaneous pulses to clear surface oxides and minimize spark spattering while ensuring exceptional energy consistency.
Equipped with an A-grade 5000mAh high-rate power battery, it serves a dual purpose as a functional 5v 2.1a power bank for external devices. The device features 4 combination gear adjustments to handle material thicknesses from 0.1mm to 0.25mm across nickel strips, iron sheets, and stainless steel.
A vibrant 1.8-inch color LCD screen provides real-time monitoring of welding status, battery voltage, temperature, and pulse timing. Completed with a durable, detachable brass spot welding pen for easy maintenance and integrated safety protections against short circuits and over-temperature, this portable tool delivers professional-grade results for your custom battery pack projects.
How to use
- Charge the spot welder fully before initial use.
- Select your desired gear combination using the 1.8-inch color screen interface.
- Position the detachable brass welding pen firmly onto the target material strip such as nickel or stainless steel, ensuring correct thickness parameters between 0.1mm and 0.25mm.
- Trigger the double-pulse welding mechanism while monitoring real-time voltage and temperature status.
Ingredients
High-Rate Lithium Battery Cell, Brass Welding Pen Tips, Integrated Circuit Control Board, LCD Display Screen, Durable Polymer Outer Casing
As printed by the brand. Check the pack label if you have an allergy.
Specifications
| Brand | WESTOBiG |
|---|---|
| Ships from | USA (sourced directly), checked in Navi Mumbai |
| Sold by | Dropy.in |
Ratings & reviews
From our customers
FAQs
What is the maximum welding thickness for this spot welder?
The spot welder handles material thicknesses ranging from 0.1mm to 0.25mm, making it ideal for nickel sheets, iron sheets, and stainless steel strips.
Can this device be used as a power bank?
Yes, it is equipped with a built-in 5000mAh high-rate lithium battery and a USB output port that allows it to function as a 5V/2.1A power bank for charging other electronic devices.
How does the double-pulse technology work?
The double-pulse system releases two pulses simultaneously. The first pulse cleans surface oxides to reduce sparks, while the second pulse completes a stable, consistent weld.
Are the products sold on Dropy authentic USA imports?
Yes, Dropy sources all items directly from the USA to ensure you receive 100% authentic and genuine products delivered straight to your doorstep in India.
What safety protections are built into the device?
It includes intelligent thermal control with over-temperature warnings, as well as low-voltage and short-circuit protection for safe operation.
How long will delivery take?
Most orders arrive in 15–20 days: we source each product directly from the USA, check it at our Navi Mumbai warehouse and pack it on video. Items marked Dropy Express ship from our India warehouse and arrive in 3–5 days.
Is cash on delivery available?
Full cash on delivery is available all over India on Dropy Express items. For other orders from ₹2,499 to ₹15,000 you can use Partial COD: pay 25% online now and the rest in cash on delivery.
Are your products genuine?
Yes. Every product is 100% authentic, sourced directly from the USA, quality-checked and packed on video at our Navi Mumbai warehouse.
What if my order arrives damaged or wrong?
Write to us at [email protected] as soon as it arrives. Damaged, wrong or not as described, our Buyer Protection gives you a full refund. The details are in our Return, Refund & Cancellation Policy.
Is delivery free?
Delivery is free on orders from ₹1,499. Below that a ₹79 delivery fee applies.