Dell OptiPlex XE2 - Installing the Hard Drive; Removing the Optical Drive

DELL™ OPTIPLEX™ XE2 TECHNICAL GUIDEBOOK
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3.0v CMOS battery (Type and estimated battery life)
Brand Type Voltage Composition Life
PANASONIC CR-2302L/
BE
3V Lithium Continuous Discharge Under 15 kΩ Load to 2.5V End-
Voltage.
20℃±2℃.1183Hrs. or Longer.1133Hrs.or Longer after 12
months.
MITSUBISHI CR2302 3V Lithium Continuous Discharge Under 15 kΩ Load to 2.0V End-
Voltage.
20℃±2℃.1000Hrs. or Longer.970Hrs.or Longer after 12
months.
0℃±2℃. 910Hrs. or Longer.890Hrs.or Longer after 12
months.
POWER
NOT E: These for m factors utilize a more e ci ent Active Power Factor C orrec ti on (A PFC) po wer sup-
ply . De ll re co mme nds o nly Universal Powe r Sup plies (UPS) base d on Sine Wa ve ou tpu t fo r A PFC PS Us ,
not an approximation of a S ine Wave , Square Wave, or quasi - Square Wave. If you h ave questions,
ple ase co ntact the m an u facture to conrm t he ou t p ut type.