Basically any source of DC 13-13.8 volts can be used to charge a car battery, and even just 12 volts should get it up enough that you can start the engine and charge the rest of the way from the alternator. I’ve even used a 12 volt wall-wart before, but it took a while. Yes, you can, but you’ll have to be patient.
Will a 12V charger charge a car battery?
6 Answers. Your 12v adapter would only be able to raise the battery voltage to 12v, but to charge a car battery fully you would need to raise the voltage to 13.8v. … A 4A maximum current would be fine and would not cause any damage, but you need a 13.8v source.
Can I use a motorcycle battery in my car?
The truth is that car batteries are stronger than motorcycle batteries. If you substitute the motorcycle battery with a car’s battery, it will completely fry the bike’s electrical systems.
How do you charge a car battery with a bike battery?
How to Charge a Motorcycle Battery with a Car
- Position your motorcycle so it is as close as possible to the hood of the car without touching. …
- Turn off the engine for both the motorcycle and the car.
- Find the positive and negative terminals on both batteries. …
- Find the positive and negative ends of the jumper cables.
How long does it take to charge a car battery with a 12 volt charger?
Car batteries usually hold 48 amps, so it will take about 12 hours to reach a full charge using a 12 volt charger. It takes around 30 minutes for an electric vehicle to charge to 80%.
Is it better to charge a battery at 2 amps or 10 amps?
It is best to slow charge the battery. Slow charging rates vary depending on the battery’s type and capacity. However, when charging an automotive battery, 10 amps or less is considered a slow charge, while 20 amps or above is generally considered a fast charge.
How long does a motorcycle need to run to charge the battery?
That’s what is designed to happen, so if your alternator and battery are in fine fettle, a 30 minute ride should easily be enough to top up the battery.
Should I keep my motorcycle on a battery tender?
If the charging system on your bike is working properly (keeping the battery fully charged, or nearly so), then using a tender all the time is not necessary and can actually get you into trouble. It will pretty much insure that your bike will start every time…… when at home.
How do you start a motorcycle with a dead battery?
How to Push Start a Motorcycle with a Dead Battery
- Insert your key and turn the ignition on (make sure the engine kill switch is also on).
- Put the bike into second gear, this will help prevent the bike from jerking when it starts.
- You will need to get the bike moving to at least 5MPH or 8KMH so pull in the clutch while seated on the bike and have your friends push.
10 июл. 2014 г.
Can a completely dead motorcycle battery be recharged?
If you do have a dead battery, you can recharge it with a battery charger (this is preferred), or by jumpstarting your bike with another bike or a car. … Once you get the bike running, make sure to ride it for a good while in order to get it fully charged again.
How long does it take to charge a 12v motorcycle battery?
So, how long does it take to charge a motorcycle battery? At least 6 hours and up to 24 hours. A brand new lead acid, 12 volt battery under a constant-current charge, will take 5 – 8 hours to charge up to 70%. The remaining 30% will require another 7 – 10 hours before it is ready to install on the motorcycle.
Can a completely drained car battery be recharged?
While your vehicle’s alternator can keep a healthy battery charged, it was never designed to completely recharge a dead car battery. … With a seriously depleted battery, your best option is to connect it to a jump starter or a dedicated battery charger either before or immediately after a jump-start.
Can a battery be too dead to charge?
Yes you can, provided it’s not a bad battery. Some battery chargers won’t sense the voltage of your dead battery and then won’t charge it. But when you jump start it will work. … You can take a new battery that’s dead and it will test bad due to being dead, but you charge the battery and it will test fine.
How long does it take to charge a completely dead car battery?
Recharging a dead car battery can take at least 4 hours, and even up to 24 hours depending on the power of the charger and the size of the battery. Usually, battery chargers put out around four amps, but there are more powerful chargers out there.