Product Description MODEL BSM-5500BLV-48 CAPACITY 5.5KVA/5.5KW Parallel Capability Yes,Max to 12 Units INPUT Nominal Voltage 220VAC Acceptable Voltage Range 170-280VAC(For personal Computer)；90-280VAC(For Home Appliances) Frequency 50/60 Hz (Auto sensing) OUTPUT Nominal Voltage 220/230VAC±5% Surge Power 11000VA Frequency 50/60 Hz Waveform Pure Sine wave Transfer Time 10ms(For personal Computer)；20ms(For Home Appliances) Peak Efficiency (PV to INV) 96% Peak Efficiency (Battery to INV) 93% Overload Protection 5s@>=15C% load; 10s@110%~150% load Crest Factor 3:1 Admissible Power Factor 0.6-1 (inductive or capacitive) BATTERY Battery Voltage 48VDC Floating Charge Voltage 54VDC OverCharge Protection 63VDC Charging Method CC/CV Solar Charger& AC Charger Solar Charger Type MPPT Max.PV Array Power 5500W Max. PV Array Open Circuit Voltage 500VDC PV Array MPPT Voltage Range 120VDC-450VDC Max. Solar Input Current 18A Max. Solar Charge Current 100A Max. AC Charge Current 60A Max. Charge Current 100A PHYSICAL Dimensions, D x W x H(mm) 482x290x113 Package Dimension^ D x W x H(mm) 565x380x190 Net Weight (Kgs) 10 Communication Interface USB/RS23  Dry~contact ENVIRONMENT Operating Temperature Range -10°C to 50°C Storage temperature -150 60°C Humidity 5% to 95% Relative Humidity (Non-condensing) Packing Details  Program Contact Information Email: info@bluesunpv.com Whatsapp/Wechat: +86 158 5821 3997 Address: 1499 Zhenxing Road, Shushan District,230031 Hefei,China