And KeyBattery.com sells the F960 replacement (7.4V 6000mAh) for
$34.00+. It lasts 6.5 hrs.
http://www.keybattery.com/advanced_search_result.php?keywords=3DSony+F960&x=
=3D0&y=3D0
Bernie
>Hi all,
> just to share with you my experience.
>
>I ran my 722 with two batteries' combinations, here the results:
>
>722 with standard SONY NP-F770 battery, rated 7.2V 4400 mAh: I got a
>bit more than 4 hours of continuous rec 96/24 to HD with phantom ON,
>backlight OFF.
>
>722 as above plus an external battery Polarmate PM148-8000, rated
>14-18V 8000 mAh: after 11 hours (backlight ON) the external battery
>was empty and the recorder switched to its battery to work for
>additional 4:20 hours (backlight OFF). On the whole I totalled 15:20
>hours of continuous recording. I kept the external battery attached
>to the 722 (it has the same footprint) all the time.
>
>The Polarmate is a compact Litium Ion external battery for laptops
>(but I successfully used it to power a MOTU Traveller as well); it
>belongs to a wide family of batteries with different V and mAh
>ratings; it is available with both 12V cigarette light adapter and
>standard power adapter for recharging. The only one drawback of it is
>a strong bip that alerts when the battery is empty!
>
>I also used a SONY NP-F970 rated 6600 mAh; with this battery I
>recorded 7 hours.
>By the way, Amazon sells the F970 for about 105$ and the F770 for
>70$. Not bad.
>
>Along with an additional SONY battery it is useful to have an
>external charger, possibly able to run at 12V.
>12V chargers can be easily found on Ebay for few bucks, but I don't
>know if the expensive original SONY charger is better or smarter than
>cheaper compatible units.
>
>All these tests were made at about 20 C temperature, with batteries
>used/recharged only few cycles. I don't have any information on their
>life cycle and how different chargers may affect their lifetime (the
>722 itself, Sony charger or compatible 12V charger).
>
>Gianni
>
>PS; I'm now planning to build a solar panel system to allow
>continuous recording. I'll post my results.
>--------------------------------------------------------------
>Gianni Pavan
>Email
>Centro Interdisciplinare di Bioacustica e Ricerche Ambientali
>Universita' degli Studi di Pavia
>Via Taramelli 24, 27100 PAVIA, ITALIA
>Tel +39-0382-987874
>Fax +39-02-700-32921
>Web http://www.unipv.it/cibra
>
>
>--
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>
>
>
>
>
>"Microphones are not ears,
>Loudspeakers are not birds,
>A listening room is not nature."
>Klas Strandberg
>Yahoo! Groups Links
>
>
>
>
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