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• Redesigned battery visualization with improved colors and clearer status indicators. • Added a new Contact Support option in Settings. • Fixed UPS connection navigation and display issues. • Additional bug fixes and stability improvements.
UPS monitoring for NUT, Synology, Unraid, Proxmox and NAS systems
UPSLink is a modern UPS monitoring app for Network UPS Tools (NUT), Synology NAS, Unraid, Proxmox, TrueNAS, Home Assistant, Raspberry Pi, and other NUT-compatible infrastructure environments. WEAR OS COMPANION UPSLink Pro includes a Wear OS companion app for monitoring your UPS directly from your wrist. Connect to your NUT server over your network, view live UPS status, battery level, estimated runtime, load and power conditions, and receive replace-battery status at a glance. Network discovery and optional NUT authentication are supported directly on the watch. Wear OS complications provide glanceable UPS information directly on supported watch faces, including battery level and estimated runtime. UPSLink Pro must be unlocked in the UPSLink phone app to access the Wear OS companion features. Monitor UPS battery status, runtime remaining, power events, load, voltage, and battery health directly from your Android device with real-time updates, outage alerts, home screen widgets, and background monitoring. Whether you're protecting a homelab, NAS, server rack, virtualization cluster, or critical home infrastructure, UPSLink helps you stay informed when power conditions change. FEATURES • Monitor NUT and upsd-compatible UPS servers • Live UPS battery percentage and runtime remaining • Real-time load, voltage, frequency, and status monitoring • Instant power outage notifications • Low battery and low runtime alerts • Replace Battery (RB) detection and warnings • Android home screen widgets • Multiple UPS support • Auto-discover NUT servers on your network • Background monitoring and alerting • Pull-to-refresh live status updates • Dark modern dashboard built for fast visibility • Multiple widgets linked to different UPS devices PERFECT FOR • Synology NAS UPS monitoring • Unraid UPS monitoring • Proxmox UPS monitoring • TrueNAS UPS monitoring • Home Assistant UPS monitoring • Raspberry Pi NUT servers • Homelab environments • Home servers • Virtualization hosts • Self-hosted infrastructure • Server racks and labs • IT administrators and power users • UPS battery backup monitoring • Network UPS monitoring COMPATIBILITY UPSLink is designed for Network UPS Tools (NUT) and upsd-compatible environments. Common deployments include: • Synology NAS • Unraid • Proxmox • TrueNAS • Home Assistant • Raspberry Pi NUT servers • Linux NUT installations • Self-hosted UPS monitoring environments Compatible with many UPS brands including: • APC • CyberPower • Eaton • Tripp Lite • Vertiv / Liebert • PowerWalker Support depends on the UPS metrics exposed by your NUT server. POPULAR USE CASES • Monitor your Synology UPS remotely • Track UPS runtime on Unraid • Monitor power events on Proxmox • Watch Home Assistant NUT servers • Receive outage notifications on Android • Monitor UPS battery health and replacement status • Check runtime remaining before shutdown events • Keep visibility into critical infrastructure from anywhere on your network MONITOR YOUR POWER INFRASTRUCTURE Track UPS health, battery charge, runtime remaining, power events, load, voltage, and battery replacement conditions with a polished real-time Android experience built specifically for NUT-powered environments.