BLUETTI P090D External Battery Connection Cable for B230/B300

P090D To MC4Applicable Models: EP500 ProApplication: By using this cable, you can connect the B230/B300 external battery packs to your current Bluetti power stations.Note: To enable the stand alone power output at the P090D port (power bank mode) of B230/B300, press and hold the power button for about 10 seconds till the indicator flashes.