biplanebob Posted December 8, 2015 Report Share Posted December 8, 2015 Need to replace the battery on my G-109, would like to know if there are any recommendations for the best replacement. As I imported it from Canada it came equipped with something that appears like it was off a lawn tractor. bob Quote Link to comment Share on other sites More sharing options...
deckofficer Posted December 17, 2015 Report Share Posted December 17, 2015 If you want to save some weight go with lithium. http://www.aerolithium.com/sizes-pricing/ Before lithium a lot of pilots use Odyssey http://www.odysseybatteries.com/batteries.htm I have used the PC680 in a lot of applications. Even though it is only a 15 lb battery I use it in my hot rod to start a 427 V8, and it spins it with gusto. Quote Link to comment Share on other sites More sharing options...
Richard Pearl Posted December 18, 2015 Report Share Posted December 18, 2015 Thanks for sharing the information Quote Link to comment Share on other sites More sharing options...
biplanebob Posted December 19, 2015 Author Report Share Posted December 19, 2015 Deckofficer Thanks for the information. My Grob currently has an Odyssey PC-925, that needs to be replaced. I like the idea of the Lithium, thanks for the link. bob Quote Link to comment Share on other sites More sharing options...
MFPrice Posted July 29, 2017 Report Share Posted July 29, 2017 I considered a lithium a few years ago but ran the calculations and it created a dangerous COG issue (much lighter than the original). Quote Link to comment Share on other sites More sharing options...
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