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5V 9V 12V Uninterruptible Power Supply Mini UPS USB 10400MAh Battery Backup for WiFi Router CCTV(US Plug)
No Standalone lithium batteries are sold with the product. Mini uninterrupted power supply for power outage, compatible with router, modem, security
Shanqiu Mini UPS Battery Backup Uninterruptible Power Supply for Router, Modem, Security Camera with Input AC Output USB 5V DC 5V 9V 12V (74Wh)
Shanqiu Mini UPS Battery Backup Uninterruptible Power Supply for Router, Modem, Security Camera, Input DC or USB Output USB 5V DC 5V 9V 12V 2A (37Wh) : Electronics
What is a good way to provide a power backup for my router apart from a normal UPS? - Quora
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Callmate India