Charger optimizer battery 3 x 4 Quad Bank quality. These smart devices can charge up to 4 batteries simultaneously. That means they can optimize battery output and lifespan. Optimate "saves" batteries when their voltage is low and provides highly effective protection. Specifications:Recommended for AGM/MF, standard, GEL and spiral cell batteries from 2.5 Ah to 50 Ah rated capacity 5-phase program control, fully automatic Input voltage: 100-240V AC 50-60Hz, global input Reverse drain current less than 1 mA Output current (main charge) 0.8 A Automatic desulphation: Yes Charging time limitation: unlimited Maintenance/testing cycles 30 mins/30 mins (alternating hourly) Charge maintenance testing monitored for 30 mins, no charging intervals Size: 167 x 65 x 46 mm Weight: (with packaging) 0,4 kg (0,6 kg) Enclosure protection: fully encapsulated (IP54), 4 wall mounts Input cable length 2 m Output cable length 2 m Accessories included: O-1 weatherproof permanent lead O-4 battery clips Operating temperature range -20°C/+40°C AC power supply 100-240 V 50-60 Hz, 0.23 A at 100 V, 0.15 A at 240 V Ratings/approvals: safety, EMC, energy efficiency, IP54 enclosure protection, CECharger optimizer battery 3 x 4 Quad Bank that should not miss in your workplace.