Falcon 1120WH Battery Expansion Pack (Suitable for FN-PPS1200 Portable Power Station). The Falcon FN-PPSEXP1120 Portable Battery Expansion is a 1120WH unit which is compatible with Falcon Portable Power Stations. Double the Off Grid Battery power with a built in 50AH LiFePO4 Lithium Battery. The unit can be used to extend the battery power of your Falcon Portable Power Station, giving you even more time Off-Grid between charges. The also provides additional outputs with its additional 12V DC cigarette lighter socket, 100W Fast Charge USB-C port and additional USB-A port. The unit can be charged independently via 12VDC and also via Solar thanks to its DC and XT60 Solar Input.