12 volt lithe-on battery

[Dalejam]

hi guys,
  i want to purchase a 12 volt litheon battery this is for my kayak. i have a watersnake trolling motor that fits in the skeg plug. does anyone now of a good brand one and decent price. hoping someone has a connection.
i use my kayak a lot so when i go out i use it about 5 hours minimum for a trip.

any help would be appreciated.

DALE