Try Aolithium batteries. Those are $1700 Canadian for a 48v battery including shipping. And they ship from CanadaSo i purchased an EG4LL from signature solar. Cost $400 USD to ship... ok, then at the border, it cost another $700 CAD for taxes and duties. Shipping and Duties was a third of the price... :S
Is anyone in Canada selling these? This is already a $2500 battery and i can only afford 1 :| To add $1000 to the price just to ship and clear customs is insane.