According to my DB the lowest price is $296.89 for LANPWR 600CCA 12V 50Ah Sodium Ion Battery 610Wh [EU] (in Banggood). This is EU warehouse. Just check coupons out (with price alert and history). Best price?
Latest coupon code price check (UTC time):
[EU Direct] LANPWR 600CCA 12V 50Ah Sodium Ion Battery 610Wh Energy High Power Fast Charging 6000 Cycles Battery Built-in BMS for Boat Solar Power System EV RV Golf Cart Camping
Banggood ($296.89)
Banggood warehouse is located in Europe 
. I have no active coupons for you right now. But wait a sec… Is it a good price? IMHO this is a good price, coz it’s lower than average ($302.19)
Link: Banggood product page
Price: $296.89
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGHONEYSP, BGESJY8, BGALL8
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
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 LANPWR 600CCA 12V 50Ah Sodium Ion Battery 610Wh [EU] is here.
Price records source(s): Banggood
Click on image to enlarge. ![Price history for LANPWR 600CCA 12V 50Ah Sodium Ion Battery 610Wh [EU]](https://couponsfromchina.com/pricehistory/History46636.png "LANPWR 600CCA 12V 50Ah Sodium Ion Battery 610Wh [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)).