$19.03 – RadioMaster 2S 7.4V 37Wh 5000mah RC Battery JST-XH XT30 (Banggood, Aliexpress: Connector: JST-XH and XT30 Plug, Charge current: Max 2amp, Item Name: Li-ion Battery, Watt Hours: 37wh, Voltage: 7.4v, Weight: 150g, Capacity: 5000mah, Brand Name: RadioMaster, Size: 72x 42x 22 mm, Cells: 2x 21700 Li-ion 3.7v 18.5Wh (the best price with coupon)).
According to my DB the lowest price is $19.03 for RadioMaster 2S 7.4V 37Wh 5000mah RC Battery JST-XH XT30 (in Banggood). Check coupons or create price alert down below. What is best price?
Latest coupon and price update (UTC):
Banggood ($19.03)
Banggood warehouse is located in China. So I have checked for active coupons (all category coupons and old ones), but there was no working coupon in Banggood. Good or bad price? Let’s see… Average price for this item is $21.84 and current one is $19.03, so it’s a good price!
Link: Banggood product page
Price: $19.03
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
There were country-specific coupon codes published on Couponsfromchina social channels and price alerts. Coupon price may vary by country, because there’re different VAT rates, shipping cost etc. There is a chance that some latest coupons are still working:
Old coupons (from the oldest to the newest): 8BGwbg2204, tRaDetRaCKeR, 8wEbgaInS5, pROMo8cuPoN, BG8RCToy, hoNEYbGdeAlS, BGRCT10, BGJUNEGSG9, BGRADIORU
(I don’t think these’re gonna work, but you can try ’em out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – RadioMaster 2S 7.4V 37Wh 5000mah RC Battery JST-XH XT30 [EU] ($-3)
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Price history (for all/most countries) for RadioMaster 2S 7.4V 37Wh 5000mah RC Battery JST-XH XT30 is here. The lowest price was: $16.55.
Price records source(s): 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)).