Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (61.32 USD): bGhOnEy10
Coupon (61.32 USD): BGdragonBoat
Coupon (61.32 USD): BGAFF10OFF
Coupon (61.32 USD): BgcLuBofErtA10
(CouponsFromChina.com tip: you should apply the coupon 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): BGGaoneng1, Charger12, AFfbG10, 502C6B, BGBFAFF2019, BGCITYADS2019, BGVDay10%off, BG10BC, BGBC1, BGSS10%SW, BGRCBC7, bgshOOp10, BgoFErTaSchInA10
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Here is price history (for all/most countries) for Gaoneng 7.4V 8000mAh 2S2P 120C RC Battery.
Price records source(s): Banggood
Click on image to enlarge.
You can set price alert (for Banggood).