diff --git a/CHANGELOG.md b/CHANGELOG.md
index 042886c..8b3974a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -30,6 +30,7 @@ For major (breaking) changes - version 3 and 2 see end of page.
| Version | Date | Comment |
| -------------- | -------------- | -------- |
+| 4.20.0 | 2020-01-25 | `battery()` added designcapacity, voltage, unit |
| 4.19.4 | 2020-01-24 | `mem()` prevent log messages, `memgetDefaultNetworkInterface()` catch errors |
| 4.19.3 | 2020-01-24 | `memLayout()` bank info fix macOS |
| 4.19.2 | 2020-01-19 | `cpu()` muli-processor fix windows |
diff --git a/README.md b/README.md
index 94b7987..6b6233c 100644
--- a/README.md
+++ b/README.md
@@ -29,20 +29,6 @@
[![Caretaker][caretaker-image]][caretaker-url]
[![MIT license][license-img]][license-url]
-#### Happy new year
-
-```
- .''.
- .''. . *''* :_\/_: .
- :_\/_: _\(/_ .:.*_\/_* : /\ : .'.:.'.
- .''.: /\ : ./)\ ':'* /\ * : '..'. -=:o:=-
- :_\/_:'.:::. ' *''* * '.\'/.' _\(/_'.':'.'
- : /\ : ::::: *_\/_* -= o =- /)\ ' *
- '..' ':::' * /\ * .'/.\'. '
- * *..* :
- *
-```
-
This is amazing. Started as a small project just for myself, it now has > 9,000 lines of code, > 250 versions published, up to 1 mio downloads per month, > 4 mio downloads overall. Thank you to all who contributed to this project!
## New Version 4.0
@@ -98,13 +84,13 @@ si.cpu()
(last 7 major and minor version releases)
+- Version 4.20.0: `battery()` added designcapacity, voltage, unit
- Version 4.19.0: `osInfo()` added uefi (OS uses UEFI during startup)
- Version 4.18.0: `networkInterfaces()` added dhcp for mac os, added dhcp linux fallback
- Version 4.17.0: `networkInterfaces()` added dhcp, dnsSuffix, ieee8021xAuth, ieee8021xState
- Version 4.16.0: `networkGatewayDefault()` added
- Version 4.15.0: `cpu()` added governor (linux)
- Version 4.14.0: `processes()` added process path and params
-- Version 4.13.0: `networkConnections()` added PID, process
- ...
You can find all changes here: [detailed changelog][changelog-url]
@@ -246,8 +232,11 @@ I also created a nice little command line tool called [mmon][mmon-github-url] (
| | hasbattery | X | X | X | X | | indicates presence of battery |
| | cyclecount | X | | X | | | numbers of recharges |
| | ischarging | X | X | X | X | | indicates if battery is charging |
-| | maxcapacity | X | | X | X | | max capacity of battery |
-| | currentcapacity | X | | X | X | | current capacity of battery |
+| | designedcapacity | X | | X | X | | max capacity of battery (mWh) |
+| | maxcapacity | X | | X | X | | max capacity of battery (mWh) |
+| | currentcapacity | X | | X | X | | current capacity of battery (mWh) |
+| | capacityUnit | X | | X | X | | capacity unit (mWh) |
+| | voltage | X | | X | X | | current voltage of battery (V) |
| | percent | X | X | X | X | | charging level in percent |
| | timeremaining | X | | X | | | minutes left (if discharging) |
| | acconnected | X | X | X | X | | AC connected |
diff --git a/docs/battery.html b/docs/battery.html
index e73507f..486a3d7 100644
--- a/docs/battery.html
+++ b/docs/battery.html
@@ -105,6 +105,16 @@