Battery Charging Methods

Rod73

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Right Now Im putting together my ebike and will be using a traditional charger from household AC outlet. But my long term plan is to use my ebike for traveling which I will park my rig and use it to go to town, run errand, explore and what not. What is the practical setup one would need to Charge a 52V battery on DC. Is it just a matter of putting in a battery isolator or is there a specific setup youd have to install. To me it doesnt make much sense to draw DC power to run an AC inverter to run a charger to run back to a DC Battery. Just seems like there should be simple way to do a DC to DC charge. I do imagine there would be some safeguard components one would need to install in between. Anyone aware of the specifics necessary on this? I plan on eventually having 2-3 52v 17ah battery packs not running all at the same time but having them there so when one goes down I can plug in a fresh one so I can extend my range and more importantly not get stranded.
 

Bill

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A DC Boost Converter is a thing, sure. But, it works by making the DC into AC then DC again, as I understand. I just use an inverter and my normal 110V charger to do that, run off my truck, if camping.

What would you use for a DC source to power your charge?
 

Rod73

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At first it would be the alternator from the the vehicle. But eventually a solar powered battery bank. or perhaps solar all by itself.
 

Bill

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If you only want to bulk charge, you could look at at DC Boost converters, they are available in many configurations.
 
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