Product Number HD-XCYJDY01, Product Dimension 55*316mm, Discharge temperature -20~60°C, Brand Lydsto, Battery capacity 2500mAh*4S(10000mAh)(37Wh), Charging temperature 0~45°C.
Just check coupons out (with price alert and history). 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 coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($107.87): 2022ACTIESNL
2. ($107.87): BGAlerabat1
3. ($109.03): BG00c906
coupon code has to be applied in shop’s cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/i1u
Old coupons (from the oldest to the newest): BG10OFFAFF1, BG17fb6a, BANGGOODSD, 6GSGIT, 00c906, ADMITAD2212
(probably won’t work, but you can try them out)
Price history and price alert
Price history (for all/most countries) for Xiaomi Lydsto 10000Pa 10000mAh Vacuum Cleaner Jump Starter is here. The lowest price was: $89.99.
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)).