Go down and check coupons out. Remember to check price history if it is available. What is the best price?
Cell Count Support: 2-6s, Max Input Current: 40A, Max Balance Current: 2A, Charge Connector Protection: Each XT30/XT60 port has its own 15A Automotive fuse
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. You can get coupon down below.
Link: Banggood product page
1. ($38.08): BGMatt2022
this code has to be applied in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGRCParts8, BGSFBC1, 2022ACTIESNL, Terence, Tabby20, 2203ActiesNL, MVC8SPRING, 8BGwbg2204, tRaDetRaCKeR, 8wEbgaInS5, pROMo8cuPoN, BG8RCToy, hoNEYbGdeAlS, BGRCT10, Cuponation9, BGToys8, BG8OFFCOUPON, TTBLACK5
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – HGLRC Lipo Battery Balance Charger Board Pro 40A XT60 XT30 2-6S [EU] ($-3)
Price history and price alert
Check out price history chart (for all/most countries) for HGLRC Lipo Battery Balance Charger Board Pro 40A XT60 XT30 2-6S.
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)).