Bluetti b300k

Hi I have a AC500 with 2 B300 batteries connected using a P090D To P150D cable can I add 2 B300k batteries and if so what cables would I need thanks in advance .

Hi
Look on page 12 https://s4.bluettipower.com/bluetti/support/B300KUserManualUS-AUEN.pdf/17246583752037448.pdf

To add 2 B300k : it’s exactly the same thing as for your 2 B300: you need a P090D to P150D battery expansion cable

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As mentioned in the manual:

Battery Expansion Cables:
Connect the B300K to AC300, AC200MAX, AC200L, or other B300K units with
the P090A battery expansion cable. Use the P090D to P150D cable to connect to
AC500.

Thanks for reply ,yes have looked they are just same as b300