$38.72 – 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.
I am monitoring price for SUNKKO S-70BN Mobile Spot Welder Pen and it is for $38.72 now (in Banggood). Price history, coupons and price alert are available on this page. Best price?
Latest coupon and price update (UTC):
Banggood ($38.72)
Banggood warehouse is located in China. Low/high price? It looks like it’s a good price (lower than average ($39.44)). There is one coupon available! Pretty cool, huh?
Link: Banggood product page
Price without coupon: $42.09
1. ($38.72): BGPowerTLS1
coupon code has to be applied in shop’s cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGe245a9, BGPowerTLS2
(these codes were not working in latest coupon update, but you can check them out anyway)
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
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)).