We, SHENZHEN GUANZHEN SCIENCE AND TECHNOLOGY CO., LTD are a leading manufacturer of Sealed Lead Acid Battery. We are exporting our quality merchandise to Europe, North America, Middle East and Southeast Asia with a good reputation supporting by the certificate of ISO 9001, UL, CE. We have got our own Research and Development team, and we also produce plates for our own use. So we can control the quality from the very beginning and give our clients much lower price. Our TPB VRLA battery consists of three series: FP series, capacity from 1.2AH to 30AH, the design life standby is 3-5 years. LFP series, capacity from 33AH to 200AH, the design life standby is 5-7 years. CFP series, capacity from 100AH to 3000AH, the design life standby is over 15 years. For more information, please visit our website or feel free to contact me.