battery recomendations

[master_of_wishes]

all hot and bothered today i thought i would go for a blast on the trike and yet again,hit the start button and click,battery had lost charge again,i know its the battery and nothing draining it as i disconnected it

anyone recomend a good battery make? would fit a optimate but its not possible where the trike is stored

cheers 

[trev]

have you got room for a small car battery,i had one on my v twin which took some turning over.