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I currently run a 48 amp so a 50 won't be much different. Just like the original question I'm running high powered stereo running a 2nd battery with 100ah and a super capacitor in the rear still having my starter battery drain. I just ordered a lithium 60ah for a starter battery to see how much a difference it makes. But I give in nyc so the cold will kill all the batteries and I don't live in a house where I can run a battery tender. I do my best to run it every day but it's not always possible.
I currently run a 48 amp so a 50 won't be much different. Just like the original question I'm running high powered stereo running a 2nd battery with 100ah and a super capacitor in the rear still having my starter battery drain. I just ordered a lithium 60ah for a starter battery to see how much a difference it makes. But I give in nyc so the cold will kill all the batteries and I don't live in a house where I can run a battery tender. I do my best to run it every day but it's not always possible.
Not sure about a lithium battery in the cold. if it doesn't have a good BMS, there could be issues with the cold. I also am NOT a fan of just starting any engine in the cold, unless you are going to ride it and get it up to temperature, to "boil off" condensation inside the engine/fluids from the cold weather. Short starts with no load or time at operating temp are worse than not starting at all.
My best advice would be to start your own thread. You can list your specific data (bike year/model/batteries and stereo make/year/model/components) along with your question(s).
I would also post it in the "Audio Section", as there are some pretty smart guys over there, with a lot of experience.
They would have the best suggestions about what is possible and what is best for your situation..
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