What do you fly and where do you locate such a large battery?

My LAK-17a has a tail battery compartment which takes three 12v 2AH Pb
batteries wired in parallel and a 12v 9AH Pb battery in the baggage
compartment. I have replaced the tail battery with lead ingots and the
baggage battery with a LiFePO4 10AH direct replacement battery and
installed a 12AH LiFePO4 battery behind the seat back. These have not
let me down for the past year of use.

Maybe I could install a battery box in the fuselage aft of the landing
gear...

On 8/16/2015 8:30 PM, wrote:
THis is a non-issue today. Using LiFePO4 batteries solves virtually all power problems. I flew last week with a 15Ah LiFePO4 Powerizer battery. I flew for 5 days, total of 20.7 hours. An Oudie, Flarm brick, LX S80 vario, radio and Trig transponder. All were on starting at least 30 minutes before launch and at the end of the last day I was still seeing 12.4 volts. All systems working perfectly.

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Dan Marotta