Apc Back UPS, Frequency : 50Hz

We are offering back-ups specification:output power capacity 300 watts / 500 va. Max configurable power 300 watts 500 va nominal output voltage 120v topology standby output connections (4) nema 5-15r (battery backup) nema 5-15r input nominal input voltage 120v input frequency 47 - 63 hz input connections nema 5-15p nema 5-15p cord length 2.44 meters batteries & runtime battery type maintenance-free sealed lead-acid battery with suspended electrolyte : leakproof typical recharge time 8 hour(s) replacement battery rbc2 rbc™ quantity