Backup UPS F Series 850VA 1-1.5KVA Uninterruptible Power Supplies LED Indicator(S) Line interruptible design with Boost & Buck AVR function Protection Against Overload and Short-circuit Surge Protection for Phone/Modem/Internet 850VA-12V9AH 1KVA-24V7AH 1.5KVA-24V9AH Runt Time 10-20 Minutes depending on load connected
