Device used to recharge a drained or dead battery.
Image of a battery charger
Questions tagged [battery-charger]
90 questions
9
votes
6 answers
Can I charge a 12V car battery with a 16V 1.5A adapter?
Hello it's my first time here and I will try to address the issue as best as I can.
I left my keys in the ignition a few days back and hence my battery drained itself.
It is a 12V maintainence-free battery and I want to charge it enough for just one…
Ankan Biswas
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3
votes
2 answers
Can I start my car while the battery is being charged?
I'm charging a flat battery with a mains charger. I'm curious if the mains charger can also be used to jump start... If it delivers enough power?
The instructions make no mention of this at all, did that mean even if it won't work, there's no safety…
Mr. Boy
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1
vote
4 answers
ODB connection for solar panel
Could I connect to the ODB socket to trickle charge my car battery with a solar panel on my Toyota Prius 07, and how to?
Pierre Belance
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0
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When a car battery finishes charging how long do I have to unplug the charger before the battery is damaged?
This needs a little explanation since it only applies to a specific type of charger. My charger is a standard vintage Sears 6/2 amp charger . Back in the day the chargers did not automatically shut off when the battery is full. There is a dial…
Sedumjoy
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0
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Swapping a split relay for a DC to DC charger
I am currently exchanging a split relay charger in my motorhome for a DC to DC charger as I am installing a new gel as the house battery and need to regulate the voltage more precisely.
I have a fused 12v system running various appliances and lights…
Dan Shaw
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0
votes
3 answers
Hardwire a battery charger?
Since my car is currently parked outside in a Northern European winter climate, and only being used for short distances, the battery is sometimes just barely able to start the car, sometimes it can’t cope at all.
So my idea was to hard-wire my…
user149408
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0
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3 answers
How can I evaluate a used automotive manual battery charger?
How can I evaluate a charger before I buy it? I don't own any kind of amp meter or electrical test devices other than a 30 year old $15 multimeter. I'm looking to buy a used, high-amperage, manual battery charger to run an electrolysis tank for…
Mic
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1 answer
How to tell if a battery charger/tender is suitable for hardwiring?
As mentioned in a previous question, I am looking to hardwire a battery charger/tender in my car, so I can just plug it into mains voltage when the battery is drained, or the car is sitting outside in a cold climate.
Requirements are:
Must be able…
user149408
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