Lithium and DC-DC Charger?
My two group 27 lead acid batteries need replacing. Even though I'm too old to get maximum benefit from lithium longevity, I am thinking about going with a single 100 AH LifePO4 lithium. Doing some r...
Forum Discussion
Ramblin' Ralph wrote:
I am thinking about going with a single 100 AH LifePO4 lithium.
The size of your RC battery bank depends on how much power you draw and for how long. Your pair of Group 2y batteries and deliver about 160 Ah. Is 100 Ah going to be adequate ? Only you know the answer.
Ramblin' Ralph wrote:
Doing some research it appears that a DC - DC charger is needed between the truck alternator and camper battery to protect the alternator.
Not exactly true. A DC-DC chargers does two jobs. It PROPERLY FULLY CHARGES your RV battery while you are driving and it isolates the RV from the engine starting battery so that the RV battery can not be drained by the vehicle (some DC-DC chargers have a temporary bypass to emergency engine starting).
Ramblin' Ralph wrote:
Also have 125w of solar.
If your solar is working well, my guess is one 100Ah lithium battery would be adequate.
