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backup battery

Postby yoloflyer » Sun Dec 09, 2018 8:01 pm

I'm about to upgrade the Sport SX that I installed years ago to an HXr. When I installed the Sport SX I also installed the Power Safe backup battery for backup power. On the EFIS Accessories documentation web page it indicates that this backup battery is for the Sport SX only; the TCW backup batteries are recommended elsewhere as backup batteries for other EFIS systems. Is there any technical reason why I can't continue to use my current backup battery as a backup power source for the HXr display?
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Re: backup battery

Postby GRT_Jeff » Wed Dec 12, 2018 7:24 am

The HXr uses a lot more power than the SX so it can drain our battery fast and not give you enough backup time. Our battery is 2.2 amp-hours. TCW has higher capacity batteries.
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