btrjillo Posted September 19, 2022 Report Share Posted September 19, 2022 Hi folks, I’m hoping for recommendations for a battery charger. my front battery is an Optima 51R 38 amp hour “deep cycle/dual purpose” rear battery is a Duracell DURAGM-14-US 12 amp hour “starting” both are AGM, and I assume they can both be charged at the same time from the 12v outlet on the rear shelf. thanks, bryan N70JZ U15/29 Quote Link to comment Share on other sites More sharing options...
Foley Posted September 20, 2022 Report Share Posted September 20, 2022 im not an electrician but i have a LiPo in front and a lead acid in back. two separate charges because of two types of batteries. Quote Link to comment Share on other sites More sharing options...
btrjillo Posted September 21, 2022 Author Report Share Posted September 21, 2022 Thanks Foley. Quote Link to comment Share on other sites More sharing options...
Foley Posted September 21, 2022 Report Share Posted September 21, 2022 I have CTEK chargers for both. also this good info on batteries... Quote Link to comment Share on other sites More sharing options...
Foley Posted September 21, 2022 Report Share Posted September 21, 2022 I have CTEK chargers for both. Learn About Batteries - Battery University also this good info on batteries... Quote Link to comment Share on other sites More sharing options...
Alex Ress Posted October 12, 2022 Report Share Posted October 12, 2022 Recommended battery charger? A contributor to Flying magazine recommended a particular model of BatteryMINDer brand charger. I called Batteryminder and found his recommended model had been replaced by Model 128CEC2. It does interesting things to maximize battery life and has different modes for charging lithium or Lead batteries. I use it and am happy with it. Also found that if you call their tech-help phone number, a human being answers who knows what they are talking about. Very nice to have access to someone who knows their product. As an aside, my U-15 has one AGM battery in back and one lithium battery up front. I have not seen a charger that recommends charging both varieties from the same charger at the same time so I'm not sure the wisdom of asking the aircraft to do that. For example when the Phoenix battery selector is in position 1+2, and the engine is running. So, I am selecting battery 1 OR battery 2 until I can get more information. Quote Link to comment Share on other sites More sharing options...
Jim Lee Posted October 16, 2022 Report Share Posted October 16, 2022 Look up Dual Battery Trickle Charging in a past post for info on charging batteries. Quote Link to comment Share on other sites More sharing options...
Alex Ress Posted October 18, 2022 Report Share Posted October 18, 2022 Great reference Jim. Hopefully the link below will take interested folks to the previous discussion. Quote Link to comment Share on other sites More sharing options...
btrjillo Posted November 9, 2022 Author Report Share Posted November 9, 2022 Thank you all for your responses. Bryan U-15/29 N70JZ Quote Link to comment Share on other sites More sharing options...
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