diff --git a/ems-admin/src/main/java/com/xzzn/web/controller/ems/EmsSiteMonitorController.java b/ems-admin/src/main/java/com/xzzn/web/controller/ems/EmsSiteMonitorController.java
index 5690ef4..09928e2 100644
--- a/ems-admin/src/main/java/com/xzzn/web/controller/ems/EmsSiteMonitorController.java
+++ b/ems-admin/src/main/java/com/xzzn/web/controller/ems/EmsSiteMonitorController.java
@@ -4,7 +4,9 @@ import com.xzzn.common.core.controller.BaseController;
 import com.xzzn.common.core.domain.AjaxResult;
 import com.xzzn.common.core.page.TableDataInfo;
 import com.xzzn.ems.domain.vo.BatteryDataStatsListVo;
+import com.xzzn.ems.domain.vo.DateSearchRequest;
 import com.xzzn.ems.service.IEmsSiteService;
+import com.xzzn.ems.service.IEmsStatsReportService;
 import com.xzzn.ems.service.ISingleSiteService;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
@@ -24,6 +26,8 @@ public class EmsSiteMonitorController extends BaseController{
     private ISingleSiteService iSingleSiteService;
     @Autowired
     private IEmsSiteService iEmsSiteService;
+    @Autowired
+    private IEmsStatsReportService iemsStatsReportService;
 
     /**
      * 获取单站首页数据
@@ -144,6 +148,15 @@ public class EmsSiteMonitorController extends BaseController{
         return getDataTable2(list);
     }
 
+    /**
+     * 单个单体电池曲线图
+     */
+    @GetMapping("/getSingleBatteryData")
+    public AjaxResult getSingleBatteryData(DateSearchRequest requestVo)
+    {
+        return success(iemsStatsReportService.getSingleBatteryData(requestVo));
+    }
+
     /**
      * 电表数据
      */
diff --git a/ems-system/src/main/java/com/xzzn/ems/domain/vo/DateSearchRequest.java b/ems-system/src/main/java/com/xzzn/ems/domain/vo/DateSearchRequest.java
index 54e5d50..d087ad2 100644
--- a/ems-system/src/main/java/com/xzzn/ems/domain/vo/DateSearchRequest.java
+++ b/ems-system/src/main/java/com/xzzn/ems/domain/vo/DateSearchRequest.java
@@ -25,6 +25,8 @@ public class DateSearchRequest {
 
     private String dataType;
 
+    private String clusterDeviceId;
+
     public Date getStartDate() {
         return startDate;
     }
@@ -64,4 +66,12 @@ public class DateSearchRequest {
     public void setDataType(String dataType) {
         this.dataType = dataType;
     }
+
+    public String getClusterDeviceId() {
+        return clusterDeviceId;
+    }
+
+    public void setClusterDeviceId(String clusterDeviceId) {
+        this.clusterDeviceId = clusterDeviceId;
+    }
 }
diff --git a/ems-system/src/main/java/com/xzzn/ems/mapper/EmsBatteryDataMapper.java b/ems-system/src/main/java/com/xzzn/ems/mapper/EmsBatteryDataMapper.java
index 675ee46..60fb85e 100644
--- a/ems-system/src/main/java/com/xzzn/ems/mapper/EmsBatteryDataMapper.java
+++ b/ems-system/src/main/java/com/xzzn/ems/mapper/EmsBatteryDataMapper.java
@@ -6,6 +6,7 @@ import java.util.Map;
 import com.xzzn.ems.domain.EmsBatteryData;
 import com.xzzn.ems.domain.vo.BatteryClusterDataDetailVo;
 import com.xzzn.ems.domain.vo.BatteryDataStatsListVo;
+import com.xzzn.ems.domain.vo.DateSearchRequest;
 import org.apache.ibatis.annotations.Param;
 
 /**
@@ -95,4 +96,11 @@ public interface EmsBatteryDataMapper
 
 
     int insertEmsBatteryDataList(List<EmsBatteryData> emsBatteryDataList);
+
+    /**
+     * 获取单个单体电池数据
+     * @param requestVo
+     * @return
+     */
+    public List<BatteryDataStatsListVo> getSingleBatteryData(DateSearchRequest requestVo);
 }
diff --git a/ems-system/src/main/java/com/xzzn/ems/service/IEmsStatsReportService.java b/ems-system/src/main/java/com/xzzn/ems/service/IEmsStatsReportService.java
index 4acc8b6..1b1c7ce 100644
--- a/ems-system/src/main/java/com/xzzn/ems/service/IEmsStatsReportService.java
+++ b/ems-system/src/main/java/com/xzzn/ems/service/IEmsStatsReportService.java
@@ -27,4 +27,6 @@ public interface IEmsStatsReportService
     public List<AmmeterStatisListVo> getAmmeterDataResult(StatisAmmeterDateRequest requestVo);
 
     public List<PowerStatisListVo> getPowerDataList(DateSearchRequest requestVo);
+
+    public List<BatteryDataStatsListVo> getSingleBatteryData(DateSearchRequest requestVo);
 }
diff --git a/ems-system/src/main/java/com/xzzn/ems/service/impl/EmsStatsReportServiceImpl.java b/ems-system/src/main/java/com/xzzn/ems/service/impl/EmsStatsReportServiceImpl.java
index 7c69e29..32f2ac4 100644
--- a/ems-system/src/main/java/com/xzzn/ems/service/impl/EmsStatsReportServiceImpl.java
+++ b/ems-system/src/main/java/com/xzzn/ems/service/impl/EmsStatsReportServiceImpl.java
@@ -35,6 +35,8 @@ public class EmsStatsReportServiceImpl implements IEmsStatsReportService
     private EmsAmmeterDataMapper emsAmmeterDataMapper;
     @Autowired
     private EmsDevicesSettingMapper emsDevicesSettingMapper;
+    @Autowired
+    private EmsBatteryDataMapper emsBatteryDataMapper;
 
     // 电量指标
     @Override
@@ -280,4 +282,22 @@ public class EmsStatsReportServiceImpl implements IEmsStatsReportService
             requestVo.setEndDate(endDate);
         }
     }
+
+    /**
+     * 获取单个单体电池数据-默认7天
+     * @param requestVo
+     * @return
+     */
+    @Override
+    public List<BatteryDataStatsListVo> getSingleBatteryData(DateSearchRequest requestVo) {
+        List<BatteryDataStatsListVo> dataList = new ArrayList<>();
+        // 默认时间-7天
+        dealRequestTime(requestVo);
+
+        // 按天比较endDate+1
+        Date endDate = requestVo.getEndDate();
+        requestVo.setEndDate(DateUtils.addDays(endDate, 1));
+        dataList = emsBatteryDataMapper.getSingleBatteryData(requestVo);
+        return dataList;
+    }
 }
diff --git a/ems-system/src/main/resources/mapper/ems/EmsBatteryDataMapper.xml b/ems-system/src/main/resources/mapper/ems/EmsBatteryDataMapper.xml
index 3b7b470..5eacc1a 100644
--- a/ems-system/src/main/resources/mapper/ems/EmsBatteryDataMapper.xml
+++ b/ems-system/src/main/resources/mapper/ems/EmsBatteryDataMapper.xml
@@ -197,7 +197,6 @@
         </if>
     </select>
 
-
     <insert id="insertEmsBatteryDataList" parameterType="java.util.List">
         INSERT INTO ems_battery_data (
         battery_pack, battery_cluster, battery_cell_id,
@@ -214,4 +213,25 @@
             )
         </foreach>
     </insert>
+
+    <select id="getSingleBatteryData" parameterType="com.xzzn.ems.domain.vo.DateSearchRequest" resultType="com.xzzn.ems.domain.vo.BatteryDataStatsListVo">
+        SELECT latest.dateDay as dataTimestamp,
+               t.voltage,
+               t.temperature,
+                t.soc,
+                t.soh,
+                t.device_id as deviceId,
+                t.cluster_device_id as clusterDeviceId
+        FROM  ems_battery_data t
+        INNER JOIN ( SELECT  site_id,cluster_device_id,device_id,DATE(data_timestamp) as dateDay,MAX(data_timestamp) AS max_update_time
+                FROM  ems_battery_data
+                WHERE site_id = #{siteId}
+                and cluster_device_id = #{clusterDeviceId}
+                and device_id = #{deviceId}
+                and data_timestamp &gt;= #{startDate}
+                and data_timestamp &lt; #{endDate}
+                GROUP BY  site_id,cluster_device_id,device_id,dateDay
+        ) latest  ON  t.site_id = latest.site_id and t.cluster_device_id = latest.cluster_device_id
+                    and t.device_id = latest.device_id  AND t.data_timestamp = latest.max_update_time
+    </select>
 </mapper>
\ No newline at end of file