diff --git a/lib/Hoymiles/src/parser/DevInfoParser.cpp b/lib/Hoymiles/src/parser/DevInfoParser.cpp
index ddb76c0..e1af276 100644
--- a/lib/Hoymiles/src/parser/DevInfoParser.cpp
+++ b/lib/Hoymiles/src/parser/DevInfoParser.cpp
@@ -36,6 +36,7 @@ const devInfo_t devInfo[] = {
     { { 0x10, 0x21, 0x11, ALL }, 600, "HMS-600" }, // 01
     { { 0x10, 0x21, 0x41, ALL }, 800, "HMS-800" }, // 00
     { { 0x10, 0x11, 0x51, ALL }, 900, "HMS-900" }, // 01
+    { { 0x10, 0x21, 0x51, ALL }, 900, "HMS-900" }, // 03
     { { 0x10, 0x21, 0x71, ALL }, 1000, "HMS-1000" }, // 05
     { { 0x10, 0x22, 0x41, ALL }, 1600, "HMS-1600" }, // 4
     { { 0x10, 0x12, 0x51, ALL }, 1800, "HMS-1800" }, // 01