I have one of these...it is only good to jump start the van and to run some real low-level items like lights, fans, computers.  It will not run electric frypans,
vacuum cleaners, air conditioners, etc.

On Mon, 3 Sep 2001 00:01:08 -0400, Automatic digest processor wrote:

>Date:    Sun, 2 Sep 2001 16:53:35 EDT
>From:    Frank Brancolino <Clubsb@AOL.COM>
>Subject: Camper battery
>
>I was thing of using one of those "jumper Battery" things they are portable,
>have an ac charger and also charges from the lighter socket anyone know if
>they are deep cycle and would last for a aux battery for camping may use for
>lights and notebook computer i figured it would be handy to have if i did
>need a jump and could mount under the bed seat. Any ideas?
>Thanks
>Frank
>82 westy diesel

--peace--
    stu