Aliexpress
There’re some similar items on Aliexpress in my database. There may be some other items though.
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
Gaoneng GNB 450mAh 11.1V 3S 80C/160C RC Battery XT30U-F 8x | 83.07 USD | – |
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (31.67 USD): BGGAL8
Coupon (31.67 USD): BGRCParts8
(CouponsFromChina.com tip: just apply this code in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): 0e7f33, FBCOUPON1, BGAFF10OFF, BGCuponation10, BGBCSpring1, BGDAVIS, BGHONEY2110, Parts8, BGRCBC11, BGSFBC1
(there’s a little possibility that old coupon will work)
Price history and price alert
Do you need price history chart (for all/most countries) for GAONENG GNB 11.1V 2200mAh 3S 110/220C RC Battery? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).