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Stories from your activity |
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Subject to the condition that the batteries that you intend to charge are the re-chargeable type. And, as you will be imposing about half a volt more than what is required,...
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You need enough voltage to pass the correct charging current through the battery. What battery are you trying to charge? Rechargeables tend to be 1.2v per cell, or 3.7v nom...
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Four 1.2 V batteries in series means it is a battery of 4.8 V overall. You require at least 40% more voltage to charge your battery efficiently. In your case the set of bat...
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5.5v is generally considered mostly discharged for a lead acid battery. To maintain the charge you need to be providing somewhere between 2.1 and 2.27 volts per cell depend...
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The thing is that alkaline cells are much “softer” than rechargeable batteries in that their voltage discharge curve is more sloped and the end of life cliff is less steep ...
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short answer:
if it is a usb charger then any gas station brick(the little usb charging boxes you can buy almost anywhere) will suffice and higher current may safely charge ...
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Can I charge a 12 volt car battery with a 36 volt charger safely?
It depends on the charger. If it is a simple half-wave or full-wave rectifier connected to a transformer wi...
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Yes, but beware the 5V solar cell, are not always a limited current circuit nor a regulator, unless you have some specific regulator-electronics attached.
Solar panels (ce...
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If both the phone and the charger are built to the code, yes you can use a fast charger. But it doesn’t mean it will charge fast.
When charging, the battery is heating up. T...
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Yes… But…
The 1V source must be converted to a voltage higher than 5V.
This can be accomplished with a boost converter or buck-boost circuit (there are several different type...
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«Stories from your activity»
