SUNKKO S-70BN Mobile Spot Welder Pen ($38.99)

Plot twist: this deal is actually real: $38.99 (Banggood). Updated: 28-01-2026.

SUNKKO S-70BN Handheld Mobile Spot Welder Pen with Adjustable Welding Pins High-Efficiency Design Enhanced Cable Connection Excellent Heat Dissipation Versatile for Battery Pack Assembly – U shape
Banggood warehouse: China.

Price: $38.99

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

Aliexpress

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

Image	Product (link)	Price
	SUNKKO HB-70B Spot Solder Pen 18650 Battery Pack Mobile Spot Welding Pen For High Power Spot Welding Machine 709A 709AD 709AD+	$37.76
	SUNKKO 73B Integrated Spot Welding Pen Automatic Trigger Switch Handheld Welding Pen Use For 737G+ 737DH DIY Battery Spot Welder	$51.12
	SUNKKO 73B Integrated Spot Welding Pen Automatic Trigger Switch Handheld Welding Pen Use For 737G+ 737DH DIY Battery Spot Welder	$52.20
	SUNKKO 73BN-2 Spot Solder Pen 18650 Battery Pack Mobile Spot Welding Pen for 737G+737DH 709A 719A 709AD+ Series High Spot Welder	$92.86
	SUNKKO 738AL 18650 Battery Spot Welder Pulse Spot Welder + 73LB Welding Arm + 70BN Welding Pen	$276.75
	SUNKKO 738AL 3.6KW Spot Welding Machine New Upgraded Telescopic Arm Handheld WIth 70BN pens Spot Precision Pulse Spot Welders	$296.35
	737G+ 220V 4.3KW Welding Spot Welder Machine With S-70BN Welding Pen For 18650 Battery Pack	$341.34
	SUNKKO 709AD+ Spot Welding Machine 3.8kw Pulse Induction Automatic Spot Welders 18650 Battery Pack Welding Nickel Strip 70B Pen	$358.49
	737G+ Spot Welder 220V 4.3KW Welding Machine + S-70BN Welding Pen for 18650 Battery Pack	$429.85
	SUNKKO 769D with 70BN Welding PEN Battery Spot Welder for 18650 Lithium Battery Welding Machine Pulse Spot Welding Machine	$444.05
	110V SUNKKO 769D with 70BN Welding PEN Battery Spot Welding Machine 18650 Spot Welder Lithium Battery Assembly Solder	$454.37
	737G + Spot Welder 220V 4.3KW Welder + 18650 S-70BN Welding Pen for Battery Pack	$463.28
	737G+ 110V 4.3KW Spot Welder Machine S-70BN Welding Pen for 18650 Battery Pack for Repair Devices	$476.61
	737G+ Spot Welder 110V 4.3KW Welding Machine with S-70BN Welding Pen for 18650 Battery Pack	$529.31
	737G+ Spot Welder 110V 4.3KW Welding Machine with S-70BN Welding Pen for 18650 Battery Pack	$600.52
	SUNKKO 769D With 70BN Welding PEN Battery Spot Welder For 18650 Lithium Battery Welding Machine Pulse Spot Welding Machine	$641.12
	110V SUNKKO 769D With 70BN Welding PEN Battery Spot Welding Machine 18650 Spot Welder Lithium Battery Assembly Solder	$650.87

Click here to search by yourself.

Price history and price alert

Here is price history (for all/most countries) for SUNKKO S-70BN Mobile Spot Welder Pen. The lowest price was: $37.88.
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