diff --git a/esphome/components/xiaomi_lywsd02/sensor.py b/esphome/components/xiaomi_lywsd02/sensor.py
index 8e4d59316b..97eff0cf79 100644
--- a/esphome/components/xiaomi_lywsd02/sensor.py
+++ b/esphome/components/xiaomi_lywsd02/sensor.py
@@ -1,8 +1,8 @@
 import esphome.codegen as cg
 import esphome.config_validation as cv
 from esphome.components import sensor, esp32_ble_tracker
-from esphome.const import CONF_HUMIDITY, CONF_MAC_ADDRESS, CONF_TEMPERATURE, \
-    UNIT_CELSIUS, ICON_THERMOMETER, UNIT_PERCENT, ICON_WATER_PERCENT, CONF_ID
+from esphome.const import CONF_BATTERY_LEVEL, CONF_HUMIDITY, CONF_MAC_ADDRESS, CONF_TEMPERATURE, \
+    UNIT_CELSIUS, ICON_THERMOMETER, UNIT_PERCENT, ICON_WATER_PERCENT, ICON_BATTERY, CONF_ID
 
 DEPENDENCIES = ['esp32_ble_tracker']
 AUTO_LOAD = ['xiaomi_ble']
@@ -16,6 +16,7 @@ CONFIG_SCHEMA = cv.Schema({
     cv.Required(CONF_MAC_ADDRESS): cv.mac_address,
     cv.Optional(CONF_TEMPERATURE): sensor.sensor_schema(UNIT_CELSIUS, ICON_THERMOMETER, 1),
     cv.Optional(CONF_HUMIDITY): sensor.sensor_schema(UNIT_PERCENT, ICON_WATER_PERCENT, 1),
+    cv.Optional(CONF_BATTERY_LEVEL): sensor.sensor_schema(UNIT_PERCENT, ICON_BATTERY, 0),
 }).extend(esp32_ble_tracker.ESP_BLE_DEVICE_SCHEMA).extend(cv.COMPONENT_SCHEMA)
 
 
@@ -32,3 +33,6 @@ def to_code(config):
     if CONF_HUMIDITY in config:
         sens = yield sensor.new_sensor(config[CONF_HUMIDITY])
         cg.add(var.set_humidity(sens))
+    if CONF_BATTERY_LEVEL in config:
+        sens = yield sensor.new_sensor(config[CONF_BATTERY_LEVEL])
+        cg.add(var.set_battery_level(sens))
diff --git a/esphome/components/xiaomi_lywsd02/xiaomi_lywsd02.cpp b/esphome/components/xiaomi_lywsd02/xiaomi_lywsd02.cpp
index 5ecd99047e..12590960e4 100644
--- a/esphome/components/xiaomi_lywsd02/xiaomi_lywsd02.cpp
+++ b/esphome/components/xiaomi_lywsd02/xiaomi_lywsd02.cpp
@@ -12,6 +12,7 @@ void XiaomiLYWSD02::dump_config() {
   ESP_LOGCONFIG(TAG, "Xiaomi LYWSD02");
   LOG_SENSOR("  ", "Temperature", this->temperature_);
   LOG_SENSOR("  ", "Humidity", this->humidity_);
+  LOG_SENSOR("  ", "Battery Level", this->battery_level_);
 }
 
 bool XiaomiLYWSD02::parse_device(const esp32_ble_tracker::ESPBTDevice &device) {
@@ -44,6 +45,8 @@ bool XiaomiLYWSD02::parse_device(const esp32_ble_tracker::ESPBTDevice &device) {
       this->temperature_->publish_state(*res->temperature);
     if (res->humidity.has_value() && this->humidity_ != nullptr)
       this->humidity_->publish_state(*res->humidity);
+    if (res->battery_level.has_value() && this->battery_level_ != nullptr)
+      this->battery_level_->publish_state(*res->battery_level);
     success = true;
   }
 
diff --git a/esphome/components/xiaomi_lywsd02/xiaomi_lywsd02.h b/esphome/components/xiaomi_lywsd02/xiaomi_lywsd02.h
index f32506eb44..ec00464cb5 100644
--- a/esphome/components/xiaomi_lywsd02/xiaomi_lywsd02.h
+++ b/esphome/components/xiaomi_lywsd02/xiaomi_lywsd02.h
@@ -20,11 +20,13 @@ class XiaomiLYWSD02 : public Component, public esp32_ble_tracker::ESPBTDeviceLis
   float get_setup_priority() const override { return setup_priority::DATA; }
   void set_temperature(sensor::Sensor *temperature) { temperature_ = temperature; }
   void set_humidity(sensor::Sensor *humidity) { humidity_ = humidity; }
+  void set_battery_level(sensor::Sensor *battery_level) { battery_level_ = battery_level; }
 
  protected:
   uint64_t address_;
   sensor::Sensor *temperature_{nullptr};
   sensor::Sensor *humidity_{nullptr};
+  sensor::Sensor *battery_level_{nullptr};
 };
 
 }  // namespace xiaomi_lywsd02
diff --git a/tests/test2.yaml b/tests/test2.yaml
index d19c8ade49..54034f0f04 100644
--- a/tests/test2.yaml
+++ b/tests/test2.yaml
@@ -117,6 +117,8 @@ sensor:
       name: "Xiaomi LYWSD02 Temperature"
     humidity:
       name: "Xiaomi LYWSD02 Humidity"
+    battery_level:
+      name: "Xiaomi LYWSD02 Battery Level"
   - platform: xiaomi_cgg1
     mac_address: 7A:80:8E:19:36:BA
     temperature: