Model Number: uninterruptible 501-600VA-1 Brand Name: SAKO Key Specifications/Special Features: With one boost AVRMicro-process controlWide input voltage rangeOver-voltage, low-voltage, overload and short-circuitprotectionsBig charge current (1 to 3A), suitable for no power countriesand short charging time

Full bridge technology and high-efficiency

Cool start

Color LED display

Beeping alarm

Smart USB and RJ45 and RJ11 (optional)

Automatic start UPS when main power is coming (optional)

Silence start (optional)

Compatible with generators

Input voltage range: 145 to 290/165 to 270V AC

Output voltage range: 200 to 255V AC/200 to 242 ±5VAC

Output frequency: 50 ±0.5Hz (DC mode)

Transfer time: ≤10ms

Wave form: square wave (DC mode)

Capacity and quantity of battery: 1 piece x 12V at 7.0Ah(2.1kg), 2 pieces x 12V at 7.0Ah (2.1kg) 2 pieces x 12V at 7.5Ahand 2 pieces x 12V at 9Ah

Charging period: 5 to 12 hours

Backup time (1 piece): 10 to 15, 20 to 30, 25 to 35 and 25 to40 minutes

Transformer dimensions and material: pure aluminum (105 x 50),(114 x 30) and (114 x 50mm)

USB (optional)

Automatic charging (offline charging): supported

Dimensions: 305 x 85 x 140 or 350 x 120 x 188mm

Color box dimensions: 365 x 130 x 210 or 405 x 195 x 288mm

Master box dimensions: 380 x 278 x 440 or 420 x 410 x303mm

Loading capacity (20ft carton): 2,240, 910, 910 and 910pieces

Loading capacity (40ft GP) 4,800, 2,160, 2,160 and 2,160pieces