Hikvision do recommend using an Uninterruptible Power Supply (UPS) with their NVRs if you wish to protect/maintain the power supply.
If you are using POE from the NVR to power your IP cameras, then the UPS will in fact keep your whole IP CCTV system running during a power outage.
However, currently none of the Hikvision range of NVRs offer any connectivity to interact with a UPS and shutdown safely before the UPS power finally runs out...
Using a UPS with Hikvision NVRs
If you are using POE from the NVR to power your IP cameras, then the UPS will in fact keep your whole IP CCTV system running during a power outage.
However, currently none of the Hikvision range of NVRs offer any connectivity to interact with a UPS and shutdown safely before the UPS power finally runs out...
Using a UPS with Hikvision NVRs