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
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Input Voltage: 100 – 240V, Output Current: 10A, Output Power: 2500W, Cable length: 1.8m, 4 five-hole ports and 3 USB ports
Price history and price alert
Check out price history chart (for all/most countries) for Xiaomi Intelligent Power Strip Socket Portable Plug Adapter.
Price records source(s): Gearbest
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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)).