... and new design Battery charger lead-acid battery charger u Three stages variable charging voltage algorithm by timing for maximizing the battery lifetime.u Large ... % at 230VAC full load, 25. Output voltage 28.8VBattery type selectedFlooded Lead-Acid, Gel, AGM, manual adjustableParallelable outputsAllow two ... : EN55024 EMI: EN55022, Class ASafety CEDimensions260*225*83mm Battery charger 20A/40A