diff --git a/csharp/Lib/Devices/Battery250UP/Doc/FZSONICK UP_Protocol_Manual - Modbus parameter list 250UP B1F0_SL.docx b/csharp/Lib/Devices/Battery250UP/Doc/FZSONICK UP_Protocol_Manual - Modbus parameter list 250UP B1F0_SL.docx
new file mode 100644
index 000000000..5c17d73b6
Binary files /dev/null and b/csharp/Lib/Devices/Battery250UP/Doc/FZSONICK UP_Protocol_Manual - Modbus parameter list 250UP B1F0_SL.docx differ
diff --git a/csharp/Lib/Devices/Battery250UP/Doc/FZSONICK UP_Protocol_Manual - solar_application_rev00.pdf b/csharp/Lib/Devices/Battery250UP/Doc/FZSONICK UP_Protocol_Manual - solar_application_rev00.pdf
new file mode 100644
index 000000000..c4896c72c
Binary files /dev/null and b/csharp/Lib/Devices/Battery250UP/Doc/FZSONICK UP_Protocol_Manual - solar_application_rev00.pdf differ