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Comment by Kurtz79 | Hacker News Reader

The only gripe I have with using bluetooth keyboards for my desktop is that batteries seem to drain much faster than the models using proprietary dongles.

What is your experience with the K810 ?

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This is why I love my K750 with integrated solar panels. No batteries to worry about; it just works, always. And it's great to type on.

I tried the K750 and found the keys spaced out wider than I was used to. Did you get used to it?

I switch between a Macbook Pro and a Windows ultrabook (long story) and the keys are spaced slightly different on both. After couple days of finger-confusion, my hands just adjust to them easily. The mind/body is amazing that way.

I've got K760 (Mac one) and it's simply amazing. I think it's died on me once (when it didn't get enough indoor lighting) in like 1.5 years.

I've been using this K750 with the solar panels for a while now... no issues whatsoever.

The battery time is probably my biggest gripe with it as well. I keep the backlight continuously on at the lowest setting (it turns off when inactive), and I think I get around 3-4 days of heavy usage (note: ballpark estimate!). The battery is also not (easily) replaceable. So while it's no problem from day to day (and you could keep the USB cable connected at all times if you wanted too), it's quite poor compared to regular wireless keyboards. The USB cable is only for charging btw, so I've played with the thought of gluing one of those superthin Qi pads to the back of the keyboard :)

Yikes, that' abysmal. I have an iMac and use the apple wireless keyboard that comes with it and I can't even remember the last time I changed the batteries.

I may be mistaken about the battery time, so don't take my word for it. The Logitech site says about 10 days with backlight on (12 months(!) without it)[1]. And while I get the Ubuntu keyboard battery warning after 3-4 days, there still may be a few days left in it.

[1] http://logitech-en-amr.custhelp.com/app/answers/detail/a_id/...

It's worth noting that the K810 is rechargeable, however. You can leave it plugged in over USB while it's at your desk, and unplug as needed. I carry mine around with a tablet as a laptop replacement and charge both every few days. I can handle 2 or 3 days of life if it means I don't need to stock AA batteries.

Yes, actually I like the idea of an internal chargeable battery through USB much more than replaceable AA batteries, since nowadays I´m very likely to have one (or two) USB chargers around when I´m travelling.

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