--- a/battery/Overview.src.html Fri Jun 06 12:25:15 2014 +0100
+++ b/battery/Overview.src.html Fri Jun 06 12:34:01 2014 +0100
@@ -352,6 +352,31 @@
</code> events are fired is left to the implementation.
</div>
<section>
+ <h2>Multiple batteries</h2>
+ <p>
+ If a hosting device contains more than one battery,
+ <a>BatteryManager</a> SHOULD expose an unified view of the batteries.
+ </p>
+ <p>
+ The <code>charging</code> attribute MUST be set to true if at least
+ one battery's <code>charging</code> state as described above is true.
+ Otherwise, it MUST be set to false.
+ </p>
+ <p>
+ The <code>level</code> attribute MUST be set to the sum of the
+ individual battery's <code>level</code> attributes divided by the
+ number of batteries.
+ </p>
+ <p>
+ The <code>chargingTime</code> attribute MUST be set to the max of all
+ the individual batteries <code>chargingTime</code>.
+ </p>
+ <p>
+ The <code>dischargingTime</code> attribute MUST be set to the max of
+ all the individual batteries <code>dischargingTime</code>.
+ </p>
+ </section>
+ <section>
<h2>Event handlers</h2>
<p>
The following are the <a>event handlers</a> (and their corresponding