<div dir="ltr">Chris, <div><br></div><div>It's the components that are in the device (usually capacitors) that can fail. The failures are usually due to colder temperatures at these higher elevations. </div><div><br></div><div><br clear="all"><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div style="float:left;padding:1px 10px 0 0"><a href="http://www.rollsbattery.com" target="_blank"></a><a href="http://www.rollsbattery.com" target="_blank"></a><a href="http://www.rollsbattery.com" target="_blank"></a><a href="http://www.rollsbattery.com" target="_blank"></a><a href="http://www.rollsbattery.com" target="_blank"></a><a href="http://www.rollsbattery.com" target="_blank"></a><a href="http://www.rollsbattery.com" target="_blank"></a><a href="http://www.rollsbattery.com" target="_blank"></a><a href="http://www.rollsbattery.com" target="_blank"></a><a href="http://www.rollsbattery.com" target="_blank"></a><a href="http://www.rollsbattery.com" target="_blank"></a><a href="http://www.rollsbattery.com" target="_blank"></a><a href="http://www.rollsbattery.com" target="_blank"></a><a href="http://www.rollsbattery.com" target="_blank"></a><a href="http://www.rollsbattery.com" target="_blank"><img src="https://i.imgur.com/uXcqgyz.png" alt="" style="padding:3px 0px 0px 10px;float:left;margin-right:10px;width:98px;height:115px"></a><div style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:14px;line-height:20px;font-family:Arial,Helvetica,sans-serif;margin:0px"><font color="#bb1a1d">Steve Higgins \u22c5
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