Dell PowerVault NX3500 Getting Started With page 22

Environmental and Safety (continued)
Safety Markings
120 V Model
230 V Model
EMC (Class B)
120 V Model
230 V Model
Battery (120 V and 230 V Models)
Configuration
Battery Type
Voltage
Fuses
Type
Charging
Monitoring
20
Getting Started With Your System
UL, cUL, NOM, BSMI
GS, CE, GOST, NRCS, TISI, KC, CQC, BSMI,
UL, cUL, KVALITET, KONCAR, OTAN,
UKSERT, Uzbekistan GOST
FCC Part 15, CNS13438, KN22: 2005, VCCI
FCC Part 15, CNS13438, AS/NZS 62040.2,
KN22: 2005, GB7260.2, EN62040-2,
CISPR 22: 2006
500 W: (4) 6 V, 9.0 Ah internal batteries
9.0 Ah
500 W: 24 Vdc internal
BPS: (2) 40 A fuses
Sealed, maintenance-free, valve-regulated,
lead-acid
Approximately 8 hours to 90% from a discharge of
50% rated load (usable capacity at nominal line
and no supplementary power supply load)
Advanced monitoring for earlier failure detection
and warning