diff --git a/CheckBattery.cpp b/CheckBattery.cpp
new file mode 100644
index 0000000..ab5e626
--- /dev/null
+++ b/CheckBattery.cpp
@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "VoldCheckBattery"
+#include <cutils/log.h>
+
+#include <binder/IServiceManager.h>
+#include <batteryservice/IBatteryPropertiesRegistrar.h>
+
+using namespace android;
+
+namespace
+{
+    // How often to check battery in seconds
+    const int CHECK_PERIOD = 30;
+    const String16 serviceName("batteryproperties");
+
+    sp<IBinder> bs;
+    sp<IBatteryPropertiesRegistrar> interface;
+
+    bool singletonInitialized = false;
+    time_t last_checked = {0};
+    int battery_ok = 1;
+}
+
+extern "C" int is_battery_ok()
+{
+    time_t now = time(NULL);
+    if (now == -1 || difftime(now, last_checked) < 5) {
+        return battery_ok;
+    }
+    last_checked = now;
+
+    if (!singletonInitialized) {
+        bs = defaultServiceManager()->checkService(serviceName);
+        if (bs == NULL) {
+            SLOGE("No batteryproperties service!");
+            return 1;
+        }
+
+        interface = interface_cast<IBatteryPropertiesRegistrar>(bs);
+        if (interface == NULL) {
+            SLOGE("No IBatteryPropertiesRegistrar interface");
+            return 1;
+        }
+
+        singletonInitialized = true;
+    }
+
+    BatteryProperty val;
+    status_t status = interface->getProperty(android::BATTERY_PROP_CAPACITY,
+                                             &val);
+    if (status == NO_ERROR) {
+        SLOGD("Capacity is %d", val.valueInt);
+        battery_ok = val.valueInt > 5 ? 1 : 0;
+    } else {
+        SLOGE("Failed to get battery charge");
+        battery_ok = 1;
+    }
+
+    return battery_ok;
+}