Go to Wal-Mart and buy a group 27 or 29 deep cycle battery. Probably weighs
2x the battery pack, but has 5x the power supply capability. Costco has
batteries also (I say these 2 because they are among the cheaper places to
buy deep cycles (IMHO). Wal Mart gives 100% free replacement fr 2 years.
Bill

"JJ" wrote in message
...
Hi again. I am installing 2 downriggers on my boat. I want to run them on
a separate battery. They draw 7amps each. What kind of battery do I need
for a full day of fishing ? Would a portable power pack (33 ah deep cycle)
work ?

Thanks again for all the help.

JJ