For those who don't mind using the CLI to interact with LND using it's REST API check out https://cadayton.onrender.com/blog/Automating-BTCPAY-Server.html to get started.
This option performs a static channel backup.
```
PS > ExportAllChannelBackups
https://lightning.engineering/api-docs/api/lnd/lightning/export-all-channel-backups/
ExportAllChannelBackups returns static channel backups for all existing channels
known to lnd. A set of regular singular static channel backups for each channel
are returned. Additionally, a multi-channel backup is returned as well, which
contains a single encrypted blob containing the backups of each channel.
BTCpay ExportAllChannelBackups SCB
Creates a static channel backup file named, scb-<mynodealias>.xml
```
