From the ChillBuster Q&A section:

"Q. - How long will my S.U.B. stay warm?
A. - On average the S.U.B. will heat for 2 1/2 to 3 hours."

Not long enough to keep me cozy overnight.

B&S
'87 Westy 'Esmerelda Blanc'
SoCal

On Aug 22, 2008, at 7:26 PM, Peter T. Owsianowski wrote:

> Now, there's a "cool" idea!
>
> Does seem hard to get - Amazon has it listed but out of stock.
> Would be
> perfect for that 45 degree night in the top bunk.  Wonder how long the
> battery lasts?
>
> Found some reviews here:
> http://www.e-hoffman.net/chillbuster/testimonials.htm