Mini Spot Welder

6500mAh lithium battery (included), Package size: 170x 115x 90mm / 6.69x 4.53x 3.54in, Item size: 140x 80x 40mm / 5.51x 3.15x 1.57in, Battery: 2x 5V, Package weight: 423g / 14.92ounce, Name: Spot Welding Machine, Gears: 1-6 gears, Welding thickness: 0.1-0.15mm, Item weight: 355g / 12.52ounce.

Aliexpress

There’re some similar (or not) items on Aliexpress

Image	Product (link)	Price	Coupons
	DIY Mini Spot Welder 9/20 Gears Spot Welding Machine Charge Lithium Battery with Spot Welding Pen Nickel Sheet with Type-c Cable	$0.13	–
	12V Spot Welder DIY Kit 90-130A Portable Mini Handheld Welder with Automatically Trigger Welding for 18650/26650/32650 Battery	$5.46	–
	DIY Spot Welding Pen Integrated Spot Welder Hand-held with Automatic Trigger For 18650 Battery Trigger Weld Mini Spot Weld	$12.02	–
	A46T Mini Spot Welder Machine DIY Kit 99 Gears of Power Adjustable Spots Welding Control Board for 18650 Battery Welder-B	$13.35	–
	80 Gears Spot Welder Adjustable Portable Handheld Digital Display Mini Spot Welding Machine Automatic Trigger for 18650 Battery	$14.94	–
	1Pcs/lot Mini Spot Weld Spot Welding Pen Integrated Spot Welder Hand-held with Automatic Trigger For 18650 Battery Trigger Weld	$15.00	–
	GX591 DIY spot welder kit handheld portable 18650 cell phone lithium battery spot welder mini spot welder control board 12V	$15.03	–
	Spot Welder DIY Kit 9 Gears Power Adjustable Mini Spots Welding Machine Control Board for Welding 14650 17490 18650 Battery	$15.10	–
	DIY Mini Spot Welder 5 Gears Adjustable Portable Handheld Spot Welding Machine Fast Charge Lithium Battery with Spot Welding Pen	$15.17	–
	12V Spot Welding Machine Adjustable Mini Spot Welder Welding Control Board Power Relay Moudle Portable Spots Welding Pen Tools	$20.78	–
	A04G-Portable Transistor Mini Spot Welder Variety 18650 Lithium Battery Powered Adjustable Welding Power Supply	$21.20	–
	11 Gears Spot Welder Adjustable Portable Handheld Digital Display Mini Spot Welding Machine Automatic Trigger for 18650 Battery	$21.85	–
	RELIFE RL-936WB MINI Battery Spot Welder Mini Spot welding for IP/HW/MI/MZ/OP/VI and Other Mainstream Mobile Phone Batteries set	$24.13	–
	Exquisite-Plastic Mini Spot Welder Control Board Portable Digital Display Spot Welding Machine 7-14V Battery DIY 18650 Battery P	$25.58	–
	Awithz Portable Battery Spot Welder DIY Mini Welding Machine 18650 Battery Pack Nickel Strip and Nickel Belt Welding Tool	$26.15	–
	Handheld Spot Welding Machine 11 Gear Adjustable Portable Mini Battery Welder Battery Spot Welding Machine for DIY 18650 Battery	$28.24	–
	RELIFE RL-936WB MINI Battery Spot Welder Mini Spot welding for IP/HW/MI/MZ/OP/VI and Other Mainstream Mobile Phone Batteries set	$28.54	–
	TK-10B Portable Battery Spot Welder DIY Mini Welding Machine 18650 Battery Pack Welding Tool 5000mah Weldable 0.25mm	$28.82	–
	Awithz Portable Battery Spot Welder DIY Mini Welding Machine 18650 Battery Pack Nickel Strip and Nickel Belt Welding Tool	$30.11	–
	9 Gears Adjustable Portable DIY Spot Welder Mini Spot Welding Machine With Quick Release Pen Welding Tool For 18650 Battery	$30.85	–
	RL-936WE Portable Mini DIY Spot Welder with Quick Release Pen for Nickel Plate and iPhone Battery Welding Repair Tools	$31.11	–
	Spot Welder Handheld Portable Spot Welding Machine Nickel Plate 18650 Battery Spot Welder Point Automatic Trigge for Battery	$31.83	–
	18650 Battery Integrated Portable Spot Welding Machine Set 9-Grade Spot Welding Machine+Welding Pen with Adapter DH20 PRO-MINI	$32.05	–
	FNIRSI SWM-10 Portable Battery Spot Welder DIY Mini Welding Machine 18650 Battery Pack Welding Tool 5000mah Weldable 0.25mm	$52.50	–
	Farad Capacitor Spot Welder 99 Gears Adjustable Capacitor Energy Storage Spot Welder for DIY 18650 21700 26650 Lithium Battery	$53.91	–
	Laser Welding Machine MAXWAVE Mini 100w 200w Spot Welder Jewelry Gold Silver with CCD Microscope for Chain	$60.35	–
	NEW SEQURE SW2 10000mAh Mini Spot Welding Machine For 18650 Battery Spot Welder With OLED Display Spot Welding Machine Tool Kit	$123.91	–
	SEQURE SQ-SW2 Mini Portable Rechargeable Spot Welding Machine LCD Color Screen Display DIY Battery Pack Welding,EU Plug	$185.89	–
	110V/220V Mini Spot Welding Machine Ultrasonic Mask Ear Strap Spot Edge Banding Machine Mask Spot Welding Machine	$201.76	–
	High Power Pulse Welding Machine GLITTER 801H+ Mini Spot Welding Machine Portable Aluminum For Nickel Large Battery &LFP Battery	$585.00	–
	BK-JW150E fiber laser spot welding machine 150W mini portable Jewelry welder jewelry pulsed fiber laser welding machine	$1877.94	–
	Mini laser welding machine with Rotating Axis LASER MACHIN jewelry laser welding machine For Gold Silver Dental spot welder	$3724.83	–
	LY YAG Laser 200W Mini Touch Screen Control Jewelry Spot Welding Machine Micro Laser Soldering For Gold Silver Chain Ring	$3891.12	–

Click here to search by yourself. Here are coupons that you can use.

Updated: 25-08-2025

Banggood

Warehouse in China.
Link: Mini Spot Welder
$33.99 with coupon: BGherra
$33.99 with coupon: BGWELDTOOL

Additional Banggood coupons:
1. First page
2. Second page

Price history and price alert

Price history (for all/most countries) for Mini Spot Welder is here. The lowest price was: $23.99.
Price records source(s): Banggood
Click on image to enlarge.
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).
Price Alert