Usage: For FIMI X8SE RC Quacopter, Flight Time (no wind): About 33mins, Size: 103x 38x 67mm, Max Charge Voltage: 13.05V, Rated Capacity: 4500mAh, Color: Grey, 51.3Wh, Nominal Voltage: 11.4V, Weight: 273g.
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 price update (UTC time):
Banggood
Banggood warehouse is located in Europe 
. I don’t think there is an active coupon right now – at least in my database. Sorry, but there’s no price history in my database.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGX8SEBB, BGCITYADS2019, AFfbG10, BGVDay10%off, BGAFF10OFF, bGhOnEy10
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – Xiaomi FIMI X8 SE Black 11.4V 4500mAh RC Battery ($-3)
Price history and price alert
Price history is not available for this item (not enough database records)! The lowest price was $74.99 though.
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)).