DC UPS 10400mAh Lithium Battery/ Support 2 Devices up time 4 hours.

Mecer 7.4v 10400mAh Online UPS for Router and ONT

Built-in Li-ion battery
Microprocessor control guarantees high reliability.
Manual power off switch
auto-start when plugged in
Multi-color indicator
Overload, short-circuit, over-charge, and over-discharge protection

A 12-month warranty on electrical components and a 6-month warranty on batteries related to the below:
•    SOL-I-BB-M1
•    SOL-I-BB-M2
•    ME-650-VU
•    ME-850-VU
•    ME-1000-VU
•    ME-2000-VU
•    ME-3000-VU+
•    BBONE-012S+
•    BBONE-024S+
•    ME-1000-WPTU+
•    ME-2000-WPTU+
•    ME-3000-WPTV
•    ME-1000-WPRU
•    ME-2000-WPRU
•    ME-3000-WPRU
•    DC UPS-5200