Just check coupons out (with price alert and history). Let’s see what best price is ATM.
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Material Metal, Output Voltage 4.2V max., Cell 2 * High-speed cell (included), Size Approx. 105*83.2*28.8mm, Output Current 639A max.
Banggood
Banggood warehouse is located in Europe 
. Too bad there’s no coupon right now in Banggood.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
There were country-specific coupon codes published on Couponsfromchina social channels and price alerts. Coupon price may vary by country, because there’re different VAT rates, shipping cost etc. There is a chance that some latest coupons are still working:
Old coupons (from the oldest to the newest): BGGines, BG093355, BG20236Tool, BGET10
(there’s a little possibility that old coupon will work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – Mini DIY Spot Welder ($-3)
Price history and price alert
Price history (for all/most countries) for Mini DIY Spot Welder [EU] is here.
Price records source(s): Banggood
Click on image to enlarge. ![Price history for Mini DIY Spot Welder [EU]](https://couponsfromchina.com/pricehistory/History37816.png "Mini DIY Spot Welder [EU] price history")
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)).