diff --git a/core/java/com/android/internal/os/BatteryStatsImpl.java b/core/java/com/android/internal/os/BatteryStatsImpl.java
index 2363f6820da40..635ae2f7dff09 100644
--- a/core/java/com/android/internal/os/BatteryStatsImpl.java
+++ b/core/java/com/android/internal/os/BatteryStatsImpl.java
@@ -121,15 +121,34 @@ public class BatteryStatsImpl extends BatteryStats {
     private static final int VERSION = 159 + (USE_OLD_HISTORY ? 1000 : 0);
 
     // Maximum number of items we will record in the history.
-    private static final int MAX_HISTORY_ITEMS = 2000;
+    private static final int MAX_HISTORY_ITEMS;
 
     // No, really, THIS is the maximum number of items we will record in the history.
-    private static final int MAX_MAX_HISTORY_ITEMS = 3000;
+    private static final int MAX_MAX_HISTORY_ITEMS;
 
     // The maximum number of names wakelocks we will keep track of
     // per uid; once the limit is reached, we batch the remaining wakelocks
     // in to one common name.
-    private static final int MAX_WAKELOCKS_PER_UID = 100;
+    private static final int MAX_WAKELOCKS_PER_UID;
+
+    static final int MAX_HISTORY_BUFFER; // 256KB
+    static final int MAX_MAX_HISTORY_BUFFER; // 320KB
+
+    static {
+        if (ActivityManager.isLowRamDeviceStatic()) {
+            MAX_HISTORY_ITEMS = 800;
+            MAX_MAX_HISTORY_ITEMS = 1200;
+            MAX_WAKELOCKS_PER_UID = 40;
+            MAX_HISTORY_BUFFER = 96*1024;  // 96KB
+            MAX_MAX_HISTORY_BUFFER = 128*1024; // 128KB
+        } else {
+            MAX_HISTORY_ITEMS = 2000;
+            MAX_MAX_HISTORY_ITEMS = 3000;
+            MAX_WAKELOCKS_PER_UID = 100;
+            MAX_HISTORY_BUFFER = 256*1024;  // 256KB
+            MAX_MAX_HISTORY_BUFFER = 320*1024;  // 256KB
+        }
+    }
 
     // Number of transmit power states the Wifi controller can be in.
     private static final int NUM_WIFI_TX_LEVELS = 1;
@@ -299,8 +318,6 @@ public class BatteryStatsImpl extends BatteryStats {
     boolean mRecordingHistory = false;
     int mNumHistoryItems;
 
-    static final int MAX_HISTORY_BUFFER = 256*1024; // 256KB
-    static final int MAX_MAX_HISTORY_BUFFER = 320*1024; // 320KB
     final Parcel mHistoryBuffer = Parcel.obtain();
     final HistoryItem mHistoryLastWritten = new HistoryItem();
     final HistoryItem mHistoryLastLastWritten = new HistoryItem();