Charging Port: Type-c, Product Size: 103x 83x 29mm, USB Output: 5V MAX 2.4A, Material: Metal Case, Welding Output: 4.2V MAX 650A, Product Weight: 302g, Battery Capacity: 5500mAh, Package size: 143x 107x 48mm, Package weight: 407g, Name: Spot Welding Machine.
Basically copy coupon, view price history or create e-mail price alert. What is best price?
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.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. There are no active coupons for this product, but the price is pretty low isn’t it?
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BG464337, BGWELDTOOL, BGb4e399, BGANI022, BG8a7644, BG4090b7, BG8dc2f7, CityadsTool, BG3fd745, BGGines, BGPTL088, BG6d2f05
(these codes were not working in latest coupon update, but you can check them out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – DIY Spot Welder 9 Gears 18650 [EU] ($-3)
Price history and price alert
Price history (for all/most countries) for DIY Spot Welder 9 Gears 18650 is here. The lowest price was: $31.88.
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)).
. Uhm… There’s no price history (in my database) for this product right now.