... of caseInside of case with Ground connection point design for lightning protection, anti-static and anti-Surgewiring spaceSufficient space for wiring, ... exhausted, the battery will damage and obsolescence,If without the protection for exhaust ,will result in a critical state, invalid for ... Voltage12VDC (11-14V)current Rating3AStorage battery Specification7AH 12VDCStorage battery Protection Voltage9V