Instrument Batteries: Care and Feeding

They can get you down if the electrics quit, but mistreatment and ignoring time-critical replacement could make backup batteries useless.

The backup rechargeable batteries used in current-gen EFIS models have gotten better over the years. But they still require routine inspections, might have mandatory replacement intervals and are intolerant of extreme storage conditions. Don’t underestimate the costs associated with replacing them, either. Fortunately there are some things you and your mechanics can do to ensure […]
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Editor in Chief Larry Anglisano has been a staple at Aviation Consumer since 1995. An active land, sea and glider pilot, Larry has over 30 years’ experience as an avionics repairman and flight test pilot. He’s the editorial director overseeing sister publications Aviation Safety magazine, IFR magazine and is a regular contributor to KITPLANES magazine with his Avionics Bootcamp column. When he’s not writing, Larry is working on a collection of guitar compositions for the upcoming Flying n’ Jazz production.