Max Configurable Power (Watts)700Watts / bx1400ui /bx1400va Output Frequency (sync to mains)50/60 Hz +/-1 Hz Output Frequency (not synced)50/60 Hz +/-1 Hz TopologyLine Interactive Waveform type Stepped approximation to a sine wave Transfer Time 8ms typical : 10 ms maximumBattery typeLead-acid batteryTypical recharge time8hour(s)Expected Battery Life (years)2 – 5Battery Charge Power (Watts)21WattsBattery Volt-Amp-Hour Capacity168