HP NetRAID 1 Controller - Manual (Page 72)

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WARNING Do not dispose of the HP NetRAID Battery Backup Module by burning it. Do
not mutilate the battery pack. Do not damage it in any way. Toxic chemicals may
be released if it is damaged. Do not short-circuit the battery pack.
Installing the Battery Backup Module on the Adapter Card
Battery Specifications
Charge Time for Battery Packs
The following time-to-charge values are calculated assuming 80% efficiency in the charging process.
The time-to-charge values may vary depending on individual battery packs.
Fast Charge
Time
Fast Charge
Rate
Trickle Charge
Rate
Operating
Environment
6 hours 190 mA 28 mA: 25 C - 35 C ambient
Battery Charge Rates
Battery Life
The HP NetRAID software will warn you when the battery needs to be replaced. Under normal
usage, the battery should last twice the warranty period of the NetRAID adapter. A new battery pack
should be installed every 1 to 5 years.
Retention Time for Cache Memory
The Battery Backup Module can preserve 4 MB of data in HP NetRAID DRAM for up to 72 hours.
The retention time for cache memory will vary with the number of SIMMs installed, the number of
chips on the installed SIMMs, the DRAM memory size, and the DRAM manufacturer.