Ring Power Pack battery backup - Li-Ion

Each Ring Power Pack delivers up to eight hours of backup battery to your Ring Alarm Pro and also works with your eero 6 Extender, sold separately. Connect up to three Power Packs to Alarm Pro to keep it powered for up to 24 hours, depending on use. The sleek design allows Ring Power Pack to stack neatly underneath your Ring Alarm Pro or eero 6 Extender.