Just check coupons out (with price alert and history). Best price?
Minimum capacity: 850mAh, Configuration: 3S1P / 11.1V, Discharge rate: 75C, Max burst discharge rate: 90C
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 China. I don’t think there is an active coupon right now – at least 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!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): Charger12, PU15, AFfbG10, BGBFAFF2019, BGCITYADS2019, 0e7f33, BG10BC, FBCOUPON1
(probably won’t work, but you can try them out)
Price history and price alert
Here is price history (for all/most countries) for TATTU 850mAh 11.1V 75C 3S1P XT30 Plug Lipo Battery Pack.
Price records source(s): Gearbest, 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)).