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Energizer ER-DVD Battery
Hello Board,
I just purchased a Polaroid Portable DVD Player 7" Screen. It came with the standard up to 3 hour battery.
I'm looking to purchase a back-up battery. One of the brands I'm considering is the Energizer ER-DVD or the Mini ER-DVD by Energizer. The ER-DVD is up to 6 hours of play and the Mini ER-DVD is up to 3 hours of extended play.
How does it work? Do you wait until your regular battery is completely dead and then you plug in the back-up battery?
Or is this just a booster to your regular battery or is it like putting in a new battery that could last up to 6 hours?
If anyone has any experience with this battery: good or bad, please share?
Perhaps you have other recommendations...
Thanks!
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