Lowell UPS9 Series Manual
Pg. 42
Storage and Maintenance
The unit contains no user-serviceable parts . If the battery service life (3~5 years at 77˚F [25˚C] ambient temperature) has been
exceeded, the batteries must be replaced . In this case, contact your dealer .
Storage
Before storing, charge the unit 4 hours . Store the unit covered and upright in a cool, dry location . During storage, recharge the
battery in accordance with the following table:
Be sure to deliver the spent battery to a recycling facility .
Storage Temperature
Recharge Frequency
Charging Duration
–13˚F to 104˚F (–25˚C to 40˚C)
Every 3 months
1–2 hours
104˚F to 113˚F (40˚C to 45˚C)
Every 2 months
1–2 hours