The Bluetti external Battery Connection Cable lets you connect your current Bluetti Power Station with additional external Bluetti Battery Expansion Modules like the Model B230, B300, B301. Based on your Power Station Model, you have to choose the correct Battery Connection Cable as follow:
P090D To DC7909
Applicable Models: EB150/EB240
P090D To XT90
Applicable Models: AC200/AC200P/AC200Max