Ready to use : No need for preparation, just Plug-and-Play. Voltage – 12.8 V 5 Ah (60W). State of charge indicator integrated. Lighter weight up to 70% than lead acid batteries. Multi-positioning mounting – up to 180. No acid, no leakage risk, no heavy metal, no toxic. Extensive cycle life over 2000 cycles. Heat temperature resistance up to 446F. Fast charging capabilities. Very low self discharge. Impressive cold cranking performance. Brass terminals. Silicone sealant for excellent sealing performance.