... ,CE,UL,VDS,FCC,IEC Shenzhen Battery General features: 1. Using oxygen recombination technology: maintenance-free 2. Special grid alloy: less ... , optimised manufacturing process , additives for deep discharge 4. Thermal management system (optional) 5. Special anti-vibration design (optional) 6. High quality ... rewarding.151*65*94.5 Shenzhen Battery for Solar Energy System 12V 200AH