... -Acid, Gel, AGM 2. 5a to 40amp charging current . 3. 12V/24V Lead Acid Battery Charger Three stages variable charging voltage ... manual adjustable24Vdc manual adjustableOutput currentInput voltage 180-280V, output current 40A; Input voltage 90-180V, output current 20AInput voltage 180-280V ... controlEMCEMS: EN55024 EMI: EN55022, Class ASafety CEDimensions260*225*83mm CE 12V/24V Lead Acid Battery Charger