Energizer/XPal XP600 Battery Pack

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Energizer/XPal XP600 Battery Pack
$4.99 + $5 Shipping
Condition: New

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I have this device.

It works, but takes a while to charge. It also does not work with iPhones.

i got two of these last time, works with my Motorola but not the iphone.

Does anyone know how long this will hold a charge. For instance, could I charge it and leave it in my car or backpack until I need it, or would I need to charge it like the night before?

Thanks

The axe murderer is on the LOOSE! not lose.
But this won’t start your car anyway. Try to lose him at the mall.

I’ve had one in my backpack for the last 45 days and it still has a full charge when I pulled it out to use it last week. Very happy with it.