* LPPDataHelpers, readCurrent() signed value

src/helpers/sensors/LPPDataHelpers.h

@@ -113,7 +113,7 @@ public:
     return _pos <= _len;
   }
   bool readCurrent(float& amps) {
-    amps = getFloat(&_buf[_pos], 2, 1000, false); _pos += 2;
+    amps = getFloat(&_buf[_pos], 2, 1000, true); _pos += 2;
     return _pos <= _len;
   }
   bool readPower(float& watts) {