Roger Lee Posted January 23, 2013 Report Share Posted January 23, 2013 Just an FYI, Had an issue with a Dynon D100 EFIS update yesterday and talked to Dynon. In the conversation the internal battery came up. The battery should last 3-5 years. Yes it might make 6 or 7, but Dynon says that doesn't happen very often. The internal battery should last 1 hour on its own. The way to test it is by turning the Dynon on by itself. Leave everything else off and hold down the far right button on the D100 until it comes on. Let it sit and see how long it stays on. It will eventually die. The 2006 CTSW yesterday made it about 2 minutes. The batteries cost is $130 and are special made for their unit. The battery is obtained by unscrewing the little recessed screw on the bottom front left corner. That allows the unit to slide out and the battery compartment is on the right side. The battery just unplugs. Link to comment Share on other sites More sharing options...
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