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KilgoretheTrout55 t1_j62n16g wrote

What do you mean by 45 minutes of backup?

Give me an extra battery life or something?

This seems to be way below market value so it's either a great deal or it's too good to be true or it's defective or something.

If it is a legitimately functional pair, $45 is a extremely competitive price

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Gobutobu OP t1_j62ozbw wrote

It is functional but batteries have been replaced. That's why I think backup is low. It's more than 2 years old that's why maybe cheap. It is not refurbished. it's price touched $86 during an amazon sale recently. I was stupid enough to miss it. But this person purchased it in December 2020. Also maybe he is the 2nd buyer as he has blurred out shipping address on Amazon invoice.

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AmirZ t1_j64e6mw wrote

Just FYI, the term "battery backup" sounds weird in English, it means you have a spare battery. The proper phrasing in English is "battery life", which means how long can you use the device until the battery runs out (and "dies", until the next charge).

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