Time of Eight Pulses: 8 ~ 80 ms (adjustable), Welding Pressure: 300 – 500 g, Current: 500 A, Electric leakage Switch Requirement: 60 A or more than 60 A, Power: 50 W, Temperatur: 150°C ~ 450°C, Output Voltage: 20 V DC, Max. 0.2mm for welding pen, Time of Four Pulses: 2 ~ 20 ms (adjustable), Power: 1.5 KW (Instantaneous), Welding Distance: Adjustable, Suitable Welding Thickness: 0.03 – 0.3 mm, Time of Double Pulse: 1 ~ 10 ms (adjustable), Supply Voltage: AC 220 V ± 20 V/110V, Welding Pin Range: 5 – 6 mm.
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.
Updated:
Banggood
Warehouse in Europe 
.
Link: SUNKKO 709A Spot Welder [EU/CZ]
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Additional Banggood coupons:
1. First page
2. Second page
Country-specific coupon codes:
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – SUNKKO 709A Spot Welder ($-3)
Price history and price alert
It doesn’t make sense to generate price history chart, because there is one price record which is: $159.99.
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)).