... Specification: CH3512 : Voltage 13.8 VDC , Current 5A Automatic Battery Charger for Genereator Sets Wide Input Range 100~240 VACFeaturesShort Circuit ... Charging Under All Conditions Compact Size & High Efficiency Low Battery Voltage Monitor With Dry Contacts Opening or Closing Under ... voltage, short circuit, current limitingEnvironmentVibration : 5~30 Hz 1.5 G , 30~500 Hz 5.0 GRelative Humidity : < 90% ...