diff --git a/src/main/fc/settings.yaml b/src/main/fc/settings.yaml
index 73b9a92e61..b6d6e76cd7 100644
--- a/src/main/fc/settings.yaml
+++ b/src/main/fc/settings.yaml
@@ -450,7 +450,7 @@ groups:
         max: 10000
       - name: current_meter_offset
         field: currentMeterOffset
-        min: 0
+        min: -3300
         max: 3300
       - name: multiwii_current_meter_output
         field: multiwiiCurrentMeterOutput
diff --git a/src/main/msp/msp_protocol.h b/src/main/msp/msp_protocol.h
index b693eb3080..0b073ffcae 100644
--- a/src/main/msp/msp_protocol.h
+++ b/src/main/msp/msp_protocol.h
@@ -60,7 +60,7 @@
 #define MSP_PROTOCOL_VERSION                0   // Same version over MSPv1 & MSPv2 - message format didn't change and it backward compatible
 
 #define API_VERSION_MAJOR                   2   // increment when major changes are made
-#define API_VERSION_MINOR                   0   // increment when any change is made, reset to zero when major changes are released after changing API_VERSION_MAJOR
+#define API_VERSION_MINOR                   1   // increment when any change is made, reset to zero when major changes are released after changing API_VERSION_MAJOR
 
 #define API_VERSION_LENGTH                  2
 
diff --git a/src/main/sensors/battery.h b/src/main/sensors/battery.h
index fd72ded7a8..ea416920b2 100644
--- a/src/main/sensors/battery.h
+++ b/src/main/sensors/battery.h
@@ -47,7 +47,7 @@ typedef struct batteryConfig_s {
     uint8_t vbatwarningcellvoltage;         // warning voltage per cell, this triggers battery warning alarm, in 0.1V units, default is 35 (3.5V)
 
     int16_t currentMeterScale;             // scale the current sensor output voltage to milliamps. Value in 1/10th mV/A
-    uint16_t currentMeterOffset;            // offset of the current sensor in millivolt steps
+    int16_t currentMeterOffset;            // offset of the current sensor in millivolt steps
     currentSensor_e  currentMeterType;      // type of current meter used, either ADC or virtual
 
     // FIXME this doesn't belong in here since it's a concern of MSP, not of the battery code.