What devices can be connected to this UPS?
Any 9 V devices: primarily 9 V Wi-Fi routers and other network devices.
Are batteries included?
No. The UPS uses standard 18650 batteries (1000–2000 mAh, 3.7 V), purchased separately at any specialized store.
How many batteries can be installed?
From 1 to 4. You choose the number of batteries yourself — this sets the total capacity and backup runtime.
How long does the backup power last?
It depends on the installed battery capacity and the power draw of the connected device: the more 18650 batteries installed, the longer it runs off-grid.
Does the UPS switch to battery automatically?
Yes, when mains power fails the UPS automatically switches to battery power, and the connected device keeps running without interruption.