uninterruptible power supply (SLP-12V2/V3)
SLP-12V2 External battery with changing and AC voltage. Switching function when the power is on.
SLP-12V3 Built-in 12V/7AH backup battery (max of 2 parallel 12V/5AH batteries) with charging and AC voltage switching function when the power is on. - Update: 2009-12-25