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Gear / Technical Help => Remote Power => Topic started by: twatts (pants are so over-rated...) on September 15, 2004, 12:15:01 PM

Title: 9 volt portabel rechargable UA5 battery with lots of accessories:
Post by: twatts (pants are so over-rated...) on September 15, 2004, 12:15:01 PM
9 volt portabel rechargable UA5 battery with lots of accessories:

http://www.digital-camera-battery.net/portable-dvd-battery.htm#

Title: Re: 9 volt portabel rechargable UA5 battery with lots of accessories:
Post by: mirth on September 15, 2004, 12:45:08 PM
Thats pretty sweet it comes with a cig adapter for in-car charging.

You'd have to hack the output cable in order to hook up yer UA-5 tho... :-/
Title: Re: 9 volt portabel rechargable UA5 battery with lots of accessories:
Post by: bhtoque on September 15, 2004, 01:40:57 PM
Looks like it is the same oem as the wallmart battery lots of us are using, but the car adapter plug makes this one a better deal.

Plus the added bonus of not giving Sam any $$.

JAson
Title: Re: 9 volt portabel rechargable UA5 battery with lots of accessories:
Post by: dnsacks on September 15, 2004, 01:44:32 PM
The wallmart battery's capacity is 5,200 mah (5.2 ah) -- this one lists its capacity as 39Wh (watt/hours?) -- any idea of whether one has a greater capacity?

Also, the wallmart battery's charger puts out 12v (and the charging regulator is built into the battery).  Would be pretty easy to rig up a cigarette lighter adaptor to charge the wallmart battery if that's needed.

Title: Re: 9 volt portabel rechargable UA5 battery with lots of accessories:
Post by: mirth on September 15, 2004, 01:58:34 PM
The walmart one is roughly 50 watt hours.... IIRC the math for watt hours is capacity x voltage drawn. So, assuming the UA-5 draws a perfect 9.6v line (untrue, isn't it less?) 9.6 * 5.2 = 49.92
Title: Re: 9 volt portabel rechargable UA5 battery with lots of accessories:
Post by: twatts (pants are so over-rated...) on September 15, 2004, 02:10:53 PM
Another one, more expensinve, but with built in charger and 6500mAh capacity...

http://www.bixnet.com/unpodvbapa.html

T

Title: Re: 9 volt portabel rechargable UA5 battery with lots of accessories:
Post by: bhtoque on September 15, 2004, 02:56:37 PM
Quote from: twatts on September 15, 2004, 02:10:53 PM
Another one, more expensinve, but with built in charger and 6500mAh capacity...

http://www.bixnet.com/unpodvbapa.html

T



Cool that it's 9/12v switchable, but that's too expensive.

JAson
Title: Re: 9 volt portabel rechargable UA5 battery with lots of accessories:
Post by: mirth on September 15, 2004, 03:03:34 PM
Batteryspace has a 5Ah (I think) 3-12v switchable external LiION battery pack for DVD players...
Title: Re: 9 volt portabel rechargable UA5 battery with lots of accessories:
Post by: leegeddy on September 15, 2004, 03:46:00 PM
Quote from: dnsacks on September 15, 2004, 01:44:32 PM
The wallmart battery's capacity is 5,200 mah (5.2 ah) -- this one lists its capacity as 39Wh (watt/hours?) -- any idea of whether one has a greater capacity?

Also, the wallmart battery's charger puts out 12v (and the charging regulator is built into the battery).  Would be pretty easy to rig up a cigarette lighter adaptor to charge the wallmart battery if that's needed.



the battery's capacity in Amp-hour would be 39Wh divided by the rated voltage (9v), which is a bit over 4.3AH.  the Walmart one has larger capacity, though.

marc