This is the Ocean Power Supply Co., Ltd.We are a specialized manufacturer in rechargeable lead-acid batteries.We adopts Japanese technology and with higher standards than Japanese JISC8702-1 and international ISC61056-1.We can provide batteries of 2v,4v,6v,8v,10v,12v and 24v.Our company has obtained the certification of ISO9001-2000,Export Quality License,UL and CE. We have batteries for emergency system and solar energy lightening system and lights etc.We believe that we can meet all your requirements!