diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4f78f49..c4bd737 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -90,7 +90,8 @@ For major (breaking) changes - **version 4, 3 and 2** - see end of page.
 
 | Version | Date       | Comment                                                                                             |
 | ------- | ---------- | --------------------------------------------------------------------------------------------------- |
-| 5.25.1  | 2025-01-05 | `cpuCurrentSpeed()` denno speed workarround                                                         |
+| 5.25.2  | 2025-01-05 | `battery()` improved serial and model parsing                                                       |
+| 5.25.1  | 2025-01-05 | `cpuCurrentSpeed()` Deno CPU speed workarround (linux)                                              |
 | 5.25.0  | 2025-01-05 | `versions()` added homebrew                                                                         |
 | 5.24.9  | 2025-01-04 | `checkWebsite()` reestablished certificate validation                                               |
 | 5.24.9  | 2025-01-04 | `checkWebsite()` reestablished certificate validation                                               |
diff --git a/README.md b/README.md
index a1bde06..6472ff1 100644
--- a/README.md
+++ b/README.md
@@ -178,7 +178,7 @@ si.cpu()
 
 (last 7 major and minor version releases)
 
-- Version 5.24.0: `versions()` added homebrew
+- Version 5.25.0: `versions()` added homebrew
 - Version 5.24.0: `versions()` added bun and deno
 - Version 5.23.0: `usb()` added serial number (linux)
 - Version 5.22.0: `wifiConnections()` added signal quality
diff --git a/docs/history.html b/docs/history.html
index 876b086..9e2eaae 100644
--- a/docs/history.html
+++ b/docs/history.html
@@ -57,6 +57,11 @@
                     </tr>
                   </thead>
                   <tbody>
+                    <tr>
+                      <th scope="row">5.25.2</th>
+                      <td>2024-01-05</td>
+                      <td><span class="code">battery()</span> improved model and serial parsing (macOS)</td>
+                    </tr>
                     <tr>
                       <th scope="row">5.25.1</th>
                       <td>2024-01-05</td>
diff --git a/docs/index.html b/docs/index.html
index ff9e2d5..f5141e9 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -170,7 +170,7 @@
       <img class="logo" src="assets/logo.png" alt="logo">
       <div class="title">systeminformation</div>
       <div class="subtitle"><span id="typed"></span>&nbsp;</div>
-      3<div class="version">New Version: <span id="version">5.25.1</span></div>
+      3<div class="version">New Version: <span id="version">5.25.2</span></div>
       <button class="btn btn-light" onclick="location.href='https://github.com/sebhildebrandt/systeminformation'">View on Github <i class=" fab fa-github"></i></button>
     </div>
     <div class="down">
diff --git a/lib/battery.js b/lib/battery.js
index c61ec3b..eced143 100644
--- a/lib/battery.js
+++ b/lib/battery.js
@@ -181,7 +181,7 @@ module.exports = function (callback) {
       }
 
       if (_darwin) {
-        exec('ioreg -n AppleSmartBattery -r | egrep "CycleCount|IsCharging|DesignCapacity|MaxCapacity|CurrentCapacity|BatterySerialNumber|TimeRemaining|Voltage"; pmset -g batt | grep %', function (error, stdout) {
+        exec('ioreg -n AppleSmartBattery -r | egrep "CycleCount|IsCharging|DesignCapacity|MaxCapacity|CurrentCapacity|DeviceName|BatterySerialNumber|Serial|TimeRemaining|Voltage"; pmset -g batt | grep %', function (error, stdout) {
           if (stdout) {
             let lines = stdout.toString().replace(/ +/g, '').replace(/"+/g, '').replace(/-/g, '').split('\n');
             result.cycleCount = parseInt('0' + util.getValue(lines, 'cyclecount', '='), 10);
@@ -191,7 +191,8 @@ module.exports = function (callback) {
             result.currentCapacity = Math.round(parseInt('0' + util.getValue(lines, 'applerawcurrentcapacity', '='), 10) * (result.voltage || 1));
             result.designedCapacity = Math.round(parseInt('0' + util.getValue(lines, 'DesignCapacity', '='), 10) * (result.voltage || 1));
             result.manufacturer = 'Apple';
-            result.serial = util.getValue(lines, 'BatterySerialNumber', '=');
+            result.serial = util.getValue(lines, 'BatterySerialNumber', '=') || util.getValue(lines, 'Serial', '=');
+            result.model = util.getValue(lines, 'DeviceName', '=');
             let percent = null;
             const line = util.getValue(lines, 'internal', 'Battery');
             let parts = line.split(';');
diff --git a/lib/cpu.js b/lib/cpu.js
index bd060d9..27ca728 100644
--- a/lib/cpu.js
+++ b/lib/cpu.js
@@ -1019,7 +1019,7 @@ function getCpuCurrentSpeedSync() {
       if (speeds[i] < minFreq) { minFreq = speeds[i]; }
       cores.push(parseFloat(speeds[i].toFixed(2)));
     }
-    avgFreq = avgFreq / cpus.length;
+    avgFreq = avgFreq / speeds.length;
     return {
       min: parseFloat(minFreq.toFixed(2)),
       max: parseFloat(maxFreq.toFixed(2)),
diff --git a/lib/system.js b/lib/system.js
index f982ea8..4abc938 100644
--- a/lib/system.js
+++ b/lib/system.js
@@ -48,11 +48,11 @@ function system(callback) {
       if (_linux || _freebsd || _openbsd || _netbsd) {
         exec('export LC_ALL=C; dmidecode -t system 2>/dev/null; unset LC_ALL', function (error, stdout) {
           let lines = stdout.toString().split('\n');
-          result.manufacturer = util.getValue(lines, 'manufacturer');
-          result.model = util.getValue(lines, 'product name');
+          result.manufacturer = cleanDefaults(util.getValue(lines, 'manufacturer'));
+          result.model = cleanDefaults(util.getValue(lines, 'product name'));
           result.version = cleanDefaults(util.getValue(lines, 'version'));
           result.serial = cleanDefaults(util.getValue(lines, 'serial number'));
-          result.uuid = cleanDefaults((util.getValue(lines, 'uuid').toLowerCase()));
+          result.uuid = cleanDefaults((util.getValue(lines, 'uuid'))).toLowerCase();
           result.sku = cleanDefaults(util.getValue(lines, 'sku number'));
           // Non-Root values
           const cmd = `echo -n "product_name: "; cat /sys/devices/virtual/dmi/id/product_name 2>/dev/null; echo;