Just check coupons out (with price alert and history). Do you want to know what the best price is?
Voltaqge: 110-220V, Filtration Efficiency: Up to 99.99% of particles as small as 0.3 microns are captured, Filtration System: Cyclone or Dustbag, Cable Lenght: 1.8m, Brand: Roborock, Model: Automatic Suction Station, Color: Black / White, Dust Bag Capacity: 1.8L, Wireless Connection: Wi-Fi IEEE 802.11b/g/N 2.4ghz, Capacity: 1.5L(Cyclone) or 1.8L(Dustbag)
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):
Banggood
Banggood warehouse is located in Hong Kong. Hmmm… There is no active coupon in Banggood at this moment.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGHKRVCS7, BG10OFFAFF1, BGHKRBTES, BGDUHKRB, BGHKBFRST, BGHKRGTR, 00c906, BGHKRBRT, 2022ACTIESNL, BGCityads10, Terence, BGdealsIS08, BGHYB04, BGAPR03, BGapr402a, BGaprH02, BGaprHa05, BGapr27b, BGHzb19, BGVVV01, BGmay26c, pROMo8cuPoN, BGvvv002, BGVG001, BGdosBb, hoNEYbGdeAlS, BGCZSERA, BGCZRBRC, BG622yb03, BG622yb04, BGjuneBRs7b, Cuponation9, 9OFFSUMMER, BGs7autoHK, BGAHPU13, BGeaf456, BGBF11235, BGc52ed7, BG34ec96, TTBLACK5, BG5a3f59, BGHN1408, BG589b2e, JanBGCoupon8, BGHCNY07, BGSaleFeb8, BGSaleAD, BG38329b, BG568624, BGMARCHSALE, BG0f8423, BGc81232, BG6dc001a, BGczD001, BGAUGUST8, BGCAPITALOS8, BGCOUPERT8, BGBFDAY8, BGSPRING8OFF, BGHONEYSP
(these codes were not working in latest coupon update, but you can check them out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Roborock Auto-Empty Dock for Roborock S7 [EU] ($-3)
Price history and price alert
Do you need price history chart (for all/most countries) for Roborock Auto-Empty Dock for Roborock S7? There we go.
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)).