KOSS UPS Battery Backup Manuals

2 KOSS ups battery backups with owner guides and verified specifications

Select your KOSS model number below for installation steps, settings, maintenance schedules, troubleshooting and the full specification sheet. Your model number is printed on the rating plate.

KOSS ups battery backups by model number

KOSS UPS Battery Backup Manuals

Model	Description	Certified
Axcell AX-3KWR	3,000 VA / 2,700 W online double-conversion UPS	December 2025
Maxtron II MX-10KR	10 kVA / 10 kW rack-mount online double-conversion UPS	February 2026