Latest update shows that BMS Battery Power costs 551.99 USD (in Banggood). It is from EU warehouse.Price history, coupons and price alert are available on this page. What is the best price?
Latest price update (UTC time):
Banggood (551.99 USD)
Banggood warehouse is located in Europe 
. Is it expensive? There’s only 1 record in my database, so I have no idea if the price is OK. Basically there’re 2 active coupon codes available!
Link: Banggood product page
Price without coupon: 599.99 USD
Coupon (551.99 USD): BGSPRING8OFF
Coupon (551.99 USD): BGHONEYSP
(CouponsFromChina.com tip: apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Old coupons (from the oldest to the newest): BGCAPITALOS8, BGCOUPERT8, BG8FORMULAMX, BGBFDAY8, BGNEWYEAR8
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Aliexpress
Click here… to search for 12V 80Ah LiFePO4 BMS Battery Power Bank 1280Wh [EU] on Aliexpress
Here are coupons that you can use.
Price history and price alert
There is only one database record (it was for 319.99 USD), so you can’t see price history chart.
You can set price alert (for Banggood).