$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.
According to my DB the lowest price is $38.72 for SUNKKO S-70BN Mobile Spot Welder Pen (in Banggood). Just check coupons out (with price alert and history). Best price?
Latest price update (UTC time):
Banggood ($38.72)
Banggood warehouse is located in China. Low/high price? According to my database, the average price is $39.44 and current price is $38.72, so it’s probably a good price! You can get coupon down below.
Link: Banggood product page
Price without coupon: $42.09
1. ($38.72): BGPowerTLS1
paste coupon code in your cart and click Apply after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/i1u
Old coupons (from the oldest to the newest): BGe245a9, BGPowerTLS2
(you can check these old coupons out, but these probably won’t work)
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
Check out price history chart (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)).