This prebuilt module is suitable for building into OEM equipment or as a stand-alone charger. It features, auto trickle charge (150mA) Output polarity protection, LED indication of power, charge and trickle charge.
Power Supply : 15V-18VDC @3Amp
Charge Current : 150mA-2Amps (adjustable)
Battery Types : Lead Acid (wet) or Sealed Lead Acid (SLA)