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Is it bad to charge battery with alternator?
A) Alternators are designed to maintain a battery’s charge, not to recharge a dead battery. Charging a dead battery with an alternator will result in premature alternator failure. It is always best to charge a dead battery with a battery charger prior to putting an alternator into operation.
Can alternators overcharge?
Alternators that overcharge will typically produce excess voltage to the battery, making the battery case swell up, become very hot and lose its electrolyte through boiling. This surge disrupts the wiring in the alternator, causing an overcharging condition.
Can you use an alternator as a charger?
But the point is they tie the inverter/charger and DC-DC charger together to the battery. I think you should be able to do something similar. So the Sterling DC-DC charger could suck up to 70 A from your 120 A alternator which I think could stress your alternator if done for long periods of time with other high vehicle loads.
How long does it take to charge a car battery with a bad alternator?
How to Recharge a Dead Car Battery With a Bad Alternator. The amount of time it will take for the battery to fully recharge will vary depending on the strength of your charger. A ten amp charger will usually take 45 minutes to recharge. Consult your charger’s manual for specific recharge times.
Can a lithium battery charger overheat an alternator?
Since this alternator is nearly certain to charge at a high rate that will overheat it, it will need a control system that monitors temperature and reduces load when it overheats. Without these additional controls, directly charging lithium batteries will overheat and burnout the alternator in minutes.
Can a 120 amp alternator charge a 48v battery?
My first concern is that I have a 120 amp alternator, and this is the only 12v to 48v b2b charger that I have been able to find, but it’s only rated for 70a input. My question for this concern is.. Will this still work? Or will it totally fry the b2b charger? Do I need to find this same type of component but one that is rated for 120+ amps?