... operations and settings.With output short-circuit, output overload, anti-reverse polarity protection, battery full, over-discharge automatic shutdown, automatic recovery, all ... .6V;X2/24V(Duration:10min)(Discharge only if there have been calls)Enhance the charging voltage14.4V; X2/24V ... lights battery components, the green charge indicator (1) does not shineCheck the battery power of light at both ends ...