Short product description:
Line-interactive UPS QOLTEC 53774 provides 1 kVA (600 W) output with sine waveform and AVR to stabilise voltage. Single Type E AC outlet, 12 V 7 Ah battery with cold-start and 6 h recharge time. Protects against short circuits and overvoltage, supports 140–300 V input and 50/60 Hz. Compact black unit (92×140×275 mm, 4.8 kg) for home or small office power backup.