There are two types of PCMs:
• 580 W PCM - Used in HP M6720 and HP M6710 drive enclosures
• 764 W PCM (includes a replaceable battery pack) - Used in controller node enclosures
The following table provides the technical specifications of the replaceable battery located inside
the 764 W PCM.
Table 10 Battery Pack Technical Specifications
DescriptionSpecifications
41° to 104° F (5° to 40° C) - Reduce rating by 1° F for
each 1000 ft altitude (1.8° C/1,000 m)
Operating Temperature
10,000 ft / 3,048 mOperating Altitude (max)
32° to 140° F (0° to 60° C)Shipping Temperature
40,000ft / 12,192 mShipping Altitude (max)
Over-Voltage, Under-Voltage, Over-Current,
Over-Temperature
Built-In Protection
49.5Wh (5.0Ah)Capacity
The battery is designed for an expected operational life of
5 years.
Design Life
2 years minimumShelf Life
Under normal operating conditions, each battery will
undergo a Maintenance Discharge Cycle once every three
Maintenance Discharge Cycles
months. System software ensures that only one battery at
a time is discharged. Maintenance Discharge Cycles test
the current charge capacity, and ensure the longest battery
life.
Minimum of 200 cycles. Expected operational life of
greater than 500 cycles
Charge/Discharge Cycles
The Battery Pack has no calendar-based Expiration or End
of Life date. End of Life is determined by reaching a
Expiration/End of Life
minimum charge capacity. This event will be reported by
the HP 3PAR software.
A battery may be replaced by removing the PCM indicating
a battery fault, removing and replacing the Battery from
the PCM, and replacing the PCM within the enclosure.
Replacement
24 Power Requirements
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