diff --git a/EXAMPLES.md b/EXAMPLES.md
index 5f44b3ef..21d1fc58 100644
--- a/EXAMPLES.md
+++ b/EXAMPLES.md
@@ -2767,6 +2767,69 @@ uname -a | jc --uname -p          # or:  jc -p uname -a
   "kernel_version": "#74-Ubuntu SMP Tue Sep 17 17:06:04 UTC 2019"
 }
 ```
+### upower
+```bash
+upower -i /org/freedesktop/UPower/devices/battery | jc --upower -p          # or jc -p upower -i /org/freedesktop/UPower/devices/battery
+```
+```json
+[
+  {
+    "native_path": "/sys/devices/LNXSYSTM:00/device:00/PNP0C0A:00/power_supply/BAT0",
+    "vendor": "NOTEBOOK",
+    "model": "BAT",
+    "serial": "0001",
+    "power_supply": true,
+    "updated": "Thu 11 Mar 2021 06:28:08 PM UTC",
+    "has_history": true,
+    "has_statistics": true,
+    "detail": {
+      "type": "battery",
+      "present": true,
+      "rechargeable": true,
+      "state": "charging",
+      "energy": 22.3998,
+      "energy_empty": 0.0,
+      "energy_full": 52.6473,
+      "energy_full_design": 62.16,
+      "energy_rate": 31.6905,
+      "voltage": 12.191,
+      "time_to_full": 57.3,
+      "percentage": 42.5469,
+      "capacity": 84.6964,
+      "technology": "lithium-ion",
+      "energy_unit": "Wh",
+      "energy_empty_unit": "Wh",
+      "energy_full_unit": "Wh",
+      "energy_full_design_unit": "Wh",
+      "energy_rate_unit": "W",
+      "voltage_unit": "V",
+      "time_to_full_unit": "minutes"
+    },
+    "history_charge": [
+      {
+        "time": 1328809335,
+        "percent_charged": 42.547,
+        "status": "charging"
+      },
+      {
+        "time": 1328809305,
+        "percent_charged": 42.02,
+        "status": "charging"
+      }
+    ],
+    "history_rate": [
+      {
+        "time": 1328809335,
+        "percent_charged": 31.691,
+        "status": "charging"
+      }
+    ],
+    "updated_seconds_ago": 441975,
+    "updated_epoch": 1615516088,
+    "updated_epoch_utc": 1615487288
+  }
+]
+```
 ### uptime
 ```bash
 uptime | jc --uptime -p          # or:  jc -p uptime
diff --git a/docs/parsers/upower.md b/docs/parsers/upower.md
index cb069246..fdb240fd 100644
--- a/docs/parsers/upower.md
+++ b/docs/parsers/upower.md
@@ -33,7 +33,7 @@ Examples:
         "model": "BAT",
         "serial": "0001",
         "power_supply": true,
-        "updated": "Thu Feb 9 18:42:15 2012",
+        "updated": "Thu 11 Mar 2021 06:28:08 PM UTC",
         "has_history": true,
         "has_statistics": true,
         "detail": {
@@ -78,7 +78,9 @@ Examples:
             "status": "charging"
           }
         ],
-        "updated_seconds_ago": 1
+        "updated_seconds_ago": 441975,
+        "updated_epoch": 1615516088,
+        "updated_epoch_utc": 1615487288
       }
     ]
 
@@ -90,7 +92,7 @@ Examples:
         "model": "BAT",
         "serial": "0001",
         "power_supply": "yes",
-        "updated": "Thu Feb  9 18:42:15 2012 (1 seconds ago)",
+        "updated": "Thu 11 Mar 2021 06:28:08 PM UTC (441975 seconds ago)",
         "has_history": "yes",
         "has_statistics": "yes",
         "detail": {
diff --git a/jc/parsers/upower.py b/jc/parsers/upower.py
index f539a833..11183757 100644
--- a/jc/parsers/upower.py
+++ b/jc/parsers/upower.py
@@ -31,7 +31,7 @@ Examples:
         "model": "BAT",
         "serial": "0001",
         "power_supply": true,
-        "updated": "Thu Feb 9 18:42:15 2012",
+        "updated": "Thu 11 Mar 2021 06:28:08 PM UTC",
         "has_history": true,
         "has_statistics": true,
         "detail": {
@@ -76,7 +76,9 @@ Examples:
             "status": "charging"
           }
         ],
-        "updated_seconds_ago": 1
+        "updated_seconds_ago": 441975,
+        "updated_epoch": 1615516088,
+        "updated_epoch_utc": 1615487288
       }
     ]
 
@@ -88,7 +90,7 @@ Examples:
         "model": "BAT",
         "serial": "0001",
         "power_supply": "yes",
-        "updated": "Thu Feb  9 18:42:15 2012 (1 seconds ago)",
+        "updated": "Thu 11 Mar 2021 06:28:08 PM UTC (441975 seconds ago)",
         "has_history": "yes",
         "has_statistics": "yes",
         "detail": {