You can do something similar (without a LiPo) in software from Linux https://linuxhint.com/create-ramdisk-linux/ https://linuxhint.com/create-ramdisk-linux/ Th

You can do something similar (without a LiPo) in software from Linux https://linuxhint.com/create-ramdisk-linux/ https://linuxhint.com/create-ramdisk-linux/ The limitations would be the system would need to have a battery backup.