No Standalone lithium batteries are sold with the product! This is a new product designed and produced in 2024, the POE02 24V mini UPS. It has multiple output ports, including one for USB DC5V output, one for DC9-12V wide voltage output, one for LAN IN input, and one for LAN OUT 24V output. It is a power supply device specifically designed for POE gigabit network endurance. The outputs of different power sources meet the needs of devices with different voltages. A large 29.86WH battery cell provides longer battery life and smoother gigabit networks