fairly sure thats an in-line UPS with line filtering.
open it up and have a look at the battery, find out the Voltage and AH if you can and what type it is.
never mind its a sealed Lead-Acid battery.
if you find out the voltage of the battery you should be able to buy a new one and replace it. who knows you might find a stronger one. (more amp hours)
“it's still EA.. they will F*** it up. F***ing up games is the only thing they do consistently.” -TRIPTEX_MTL