Dell OptiPlex 790 Technical Guidebook - Page 22

TECHNICAL GUIDEBOOK - V 1.6, 0v CMOS battery Type and estimated battery life

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DELL™ OPTIPLEX™ 790 TECHNICAL GUIDEBOOK - V 1.6 POWER NOTE: These form factors utilize a more efficient Active Power Factor Correction (APFC) power supply. Dell recommends only Universal Power Supplies (UPS) based on Sine Wave output for APFC PSUs, not an approximation of a Sine Wave, Square Wave, or quasi -Square Wave. If you have questions, please contact the manufacture to confirm the output type. 3.0v CMOS battery (Type and estimated battery life) Brand Type Voltage Composition PANASONIC CR-2302L/BE 3V Lithium MITSUBISHI CR2302 3V Lithium Life Continuous Discharge Under 15 kΩ Load to 2.5V EndVoltage. 20℃±2℃.1183Hrs. or Longer.1133Hrs.or Longer after 12 months. Continuous Discharge Under 15 kΩ Load to 2.0V EndVoltage. 20℃±2℃.1000Hrs. or Longer.970Hrs.or Longer after 12 months. 0℃±2℃. 910Hrs. or Longer.890Hrs.or Longer after 12 months. 22

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DELL™ OPTIPLEX™ 790
TECHNICAL GUIDEBOOK - V 1.6
22
POWER
NOTE:
These form factors utilize a more efficient Active Power Factor Correction (APFC) power supply. Dell
recommends only Universal Power Supplies (UPS) based on Sine Wave output for APFC PSUs, not an approxi-
mation of a Sine Wave, Square Wave, or quasi-Square Wave. If you have questions, please contact the manu-
facture to confirm the output type.
3.0v CMOS battery (Type and estimated battery life)
Brand
Type
Voltage
Composition
Life
PANASONIC
CR-2302L/BE 3V
Lithium
Continuous Discharge Under 15 k
Ω
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 k
Ω
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.