Offline Standby UPS 400VA-3000VA from Shenzhen Factory

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Excellent microprocessor control guarantees high reliability.
A wide range of applicable voltage.
AVR for voltage stabilization (two boost and one buck).
Auto-restart while AC is recovering.
Cold start function.
Fully automatic charging and off-mode charging prolong the battery service life.
Perfect protection functions: battery over-charge, over-discharge, output overload, short circuit, and over-temperature.
Excellent generator compatibility and power grid synchronization tracking ability.
Large-screen LCD display with all parameters or LED indicator.
USB + RJ45 communication port (optional).