Valve regulated lead acid battery 6v4ah Dear sir or madam, We are glad to know that you are interested in our products. I hope our price can draw your attention and our service can make you pride yourself on choosing us.We are specialized in manufacturing sealed lead acid battery from 1998. There are four series of our products: standard series, deep cycle series, long life series, and high temperature series which are all approved ul&ce certificate.Here i give you some prices for your reference: Standard series (keep 3 to 20 years) long life series (12years): 6v 4.5ah us$1.30fob 6v10ah us$3.65fob 12v100ah us$ 48.50fob 12v200ah us$107.50fob Deep cycle battery(300times): high temperature series(70c): 12v12ah us$6.73fob 6v14ah us$6.80fob 12v40ah us$ 25.35fob 12v65ah us$36.60fob delivery time: 25 days Payment terms: l/c Sample: freewhy can we give you competitive price? we produce battery materials for our own use! Why can we produce according to our custom design? we have our own professional r&d staff!we sincerely invite you to visit our factory when you travel china!i am looking forward to your response urgently! Best regards!alan tianonce cooperate, cooperate forever! once friend, friend forever! 20 pieces per box