Dust bin capacity 100ml, Product suction 10000Pa, Charging time about 3 hours (5V=2.4A charging interface), Size 77*326(mm), Battery capacity 2000mAh, Rated power 100W, Product Model ABV3001, Brand AutoBot, Appearance material ABS/PC, Use time about 13 minutes, Net weight 485g, Rated voltage 11.1V, Input DC5V-2A.
Basically copy coupon, view price history or create e-mail price alert. What is the 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.
Link: Banggood product page
1. ($45.04): BGCarEle3
2. ($48.75): MVC8SPRING
3. ($48.75): 8BGwbg2204
4. ($49.81): BG00c906
put item in your cart and apply coupon code there after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGAutoBot129, BGAFF10OFF, AutoBot322, BGCuponation10, BGHONEY2110, BG10OFFAFF, BGwhielabel, 13f142, BG10OFFAFF1, BANGGOODSD, 6GSGIT, 00c906, ADMITAD2212, 2022ACTIESNL, BGCarEle1
(there’s a little possibility that old coupon will work)
Price history and price alert
Price history (for all/most countries) for AutoBot V3 10000Pa Car Vacuum Cleaner is here. The lowest price was: $28.99.
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)).