diff --git a/plugins/storagestat.koplugin/main.lua b/plugins/storagestat.koplugin/main.lua
new file mode 100644
index 000000000..2f8ed5723
--- /dev/null
+++ b/plugins/storagestat.koplugin/main.lua
@@ -0,0 +1,54 @@
+
+local Device = require("device")
+
+local filter
+
+-- TODO(Hzj_jie): Find the right filter for PocketBook
+if Device:isKobo() or Device:isPocketBook() then
+    filter = "mmcblk"
+elseif Device:isKindle() then
+    filter = "' /mnt/us$'"
+else
+    return { disabled = true, }
+end
+
+local InfoMessage = require("ui/widget/infomessage")
+local UIManager = require("ui/uimanager")
+local WidgetContainer = require("ui/widget/container/widgetcontainer")
+local _ = require("gettext")
+
+local StorageStat = WidgetContainer:new{
+    name = "storagestat",
+    menuItem = {
+        text = _("Storage Statistics"),
+        callback = function()
+            local std_out = io.popen(
+                "df -h | sed -r 's/ +/ /g' | grep " .. filter ..
+                " | cut -d ' ' -f 3,4,5,6 | " ..
+                "awk '{print $4 \" U\" $1 \" F\" $2 \" P\" $3}'"
+            )
+            local msg
+            if std_out then
+                msg = std_out:read("*all")
+                std_out:close()
+            end
+            if msg == nil or msg == "" then
+                msg = _("Failed to retrieve storage information.")
+            end
+
+            UIManager:show(InfoMessage:new{
+                text = msg,
+            })
+        end
+    }
+}
+
+function StorageStat:init()
+    self.ui.menu:registerToMainMenu(self)
+end
+
+function StorageStat:addToMainMenu(tab_item_table)
+    table.insert(tab_item_table.plugins, self.menuItem)
+end
+
+return StorageStat
diff --git a/plugins/timesync.koplugin/main.lua b/plugins/timesync.koplugin/main.lua
index 4dcf113ea..ab26e4230 100644
--- a/plugins/timesync.koplugin/main.lua
+++ b/plugins/timesync.koplugin/main.lua
@@ -1,7 +1,7 @@
 
 local Device = require("device")
 
-if not (Device:isKobo() or Device:isKindle() or Device:isPocketbook()) then
+if not (Device:isKobo() or Device:isKindle() or Device:isPocketBook()) then
     return { disabled = true, }
 end