On 24 Jul 2006 08:17:46 -0700, "Chuck Gould"
wrote:

If you store your boat on the hard during the winter, a lot of people
disconnect or even remove the battery at the end of the season and then
let it trickle charge back up to strength over a day or two prior to
launching in the spring. There's no reason to deliberately discharge
it, however.

Absolutely right. Discharging a lead acid battery for no reason is
inherently bad for it and will greatly shorten its life.