Item Brand: Wltoys, Product Weigh: About 131g, Capacity: 2200mAh, Battery Size: Length is 100*34*15mm, Main Colors: Blue, Packaging Weight: About 225g, Continuous Discharge Rate: 20C, Item Number: K949-78, Item Name: 7.4V 2200mAh 20C 2S T Plug Lipo Battery.
Basically copy coupon, view price history or create e-mail price alert. 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 
. There is no active coupon in my database right now (for Banggood).
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
There were country-specific coupon codes published on Couponsfromchina social channels and price alerts. Coupon price may vary by country, because there’re different VAT rates, shipping cost etc. There is a chance that some latest coupons are still working:
Old coupons (from the oldest to the newest): BG7901d3, BGf4eee6, BGacebaa, BG10WLRC, BGd51c51, BGe7fec5, BG172312
(these coupons are old, so probably won’t work)
Price history and price alert
Price history (for all/most countries) for 2Pcs Wltoys K949-78 7.4V 2200mAh 20C 2S RC Batteries T Plug [EU] is here. The lowest price was: $23.99.
Price records source(s): Banggood
Click on image to enlarge. ![Price history for 2Pcs Wltoys K949-78 7.4V 2200mAh 20C 2S RC Batteries T Plug [EU]](https://couponsfromchina.com/pricehistory/History37840.png "2Pcs Wltoys K949-78 7.4V 2200mAh 20C 2S RC Batteries T Plug [EU] price history")
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)).