Right now the best price with coupon code for FOSSiBOT FB3840 Expansion Battery 3840Wh LiFePO4 for F3600 Pro [EU] is $1509.89 (in Banggood). It is from EU warehouse.Basically copy coupon, view price history or create e-mail price alert. Let’s see what best price is ATM.
[EU Direct] FOSSiBOT FB3840 Expansion Battery / 3840Wh LiFePO4 Battery Pack for F3600 Pro / USB-A 18W / Type-C 100W / 200W Max Solar Charge – Set 1
Latest price update (UTC time):
Banggood ($1509.89)
Banggood warehouse is located in Europe 
. There are no coupons available at this moment in Banggood. Is it good price? Uhm… There’s no price history (in my database) for this product right now.
Link: Banggood product page
Price: $1509.89
Aliexpress
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Price history and price alert
We don’t have enough records in database to show price history for this item. BTW: We have only recorded this price: $1509.89.
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)).