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New installation lithium-ion SmartUPS will not start on battery before connecting utility.


When you first connect the battery, you need to connect the UPS to utility power before turning it on.

Product Line:



SMTL2200RM2UC, SMTL2200RM2UCNC, SMTL3000RM2UC, SMTL3000RM2UCNC - All Serial Numbers


The Lithium-Ion battery needs to wake-up the first time by applying AC input power to the UPS, before the UPS can power up on battery (“Cold-Start”)


Connect the UPS to AC power to start up. After the battery is powered up for the first time, the UPS can be cold-started (power up on battery) from then on.

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