... series °cSophisticated switch-mode charger has several phases for 12 cells LifePO4 batteries in seriesFeatures/ FunctionsContinuously monitoring battery voltage ... , CE, BS, SAA, EK, PSE, CB, FCC, EMC, C-tick General SpecificationsInput :100-240VAC, 50/60Hz Output voltage: 27 ... 5W Efficiency: 85 % Min. Temperature: Case 75°C Max. Operating temperature: -29°C - +45.5°COver load protection & Short-circuit ...