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Will a universal ac adapter that says it is 1.5-12v up to 300ma be used to charge a portable DVD player that uses a 9 v1.5 a battery?
Wiki User
∙ 16y ago
no
Wiki User
∙ 16y ago
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A universal battery chargers main use is to charge objects that are not of the same brand or format. For example, one could purchase a universal battery charger to charge both an iPhone and a Samsung Galaxy S4. The chargers have different parts to attach, such as a female or male lead.
What does it mean for a battery to be multi-charge?
A multi-charge battery can be re-charged while your laptop is on or you can use the AC Adapter port to charge while detached from the notebook. An example is the HP KS526AA 12-Cell Multi Charge Extended Battery. It can add up to eight hours of battery life.
Will my laptop charge if I replace it's 28V adapter with a 20V adapter even though the Voltage is lower?
No, you should always match the voltage requirements. Not only will your battery not charge you could actually damage it.
