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alternative to using an uninterruptible power supply, and a second level of fault tolerance when used in
conjunction with an uninterruptible power supply.
The temperature of the TR 700 Battery is generally 15-20°C (59-68°F) higher than the ambient temperature
during fast charge. Therefore, to complete a recharge cycle, the ambient temperature should be lower
than 55°C (131°F). If the ambient temperature exceeds 55°C (131°F), the recharge cycle will terminate
prematurely, thus preventing the TR 700 Battery from reaching a fully charged state. A recharge cycle lasts
at least six hours under normal operating conditions.
Attention: It is recommended that you replace the TR 700 Battery annually or after 500 recharging cycles,
whichever comes rst.
Installing the TR 700 Battery
Attention: Do not open your server or attempt any repair before reading and understanding “Safety information”
on page iii
and “Guidelines” on page 69.
This topic provides instructions on how to install the TR 700 Battery on a ThinkServer RAID 700 Adapter if
your server has one installed.
Before you begin, print all the related instructions or ensure that you can view the PDF version on another
computer for reference.
Note: Use any documentation that comes with the TR 700 Battery and follow those instructions in addition
to the instructions in this topic.
To install the TR 700 Battery, do the following:
1. Remove all media from the drives and turn off all attached devices and the server. Then, disconnect all
power cords from electrical outlets and disconnect all cables that are connected to the server.
2. If the server is installed in a rack cabinet, remove the server from the rack cabinet and place it on a at,
clean, and static-protective surface. See the Rack Installation Instructions that comes with the server.
3. Remove the server cover. See “Removing the server cover” on page 71.
4. Remove the cooling shroud. See “Removing and reinstalling the cooling shroud” on page 76.
5. Remove the riser card assembly 1 and lay it upside down on a at, clean, and static-protective surface.
See “Replacing the riser card assembly 1” on page 135
.
6. Remove the ThinkServer RAID 700 Adapter, which is a kind of RAID card, from the riser card assembly
1. See “Replacing the RAID card” on page 139
.
Note: Carefully handle the ThinkServer RAID 700 Adapter by its edges and place it on a at, clean,
and static-protective surface after you remove it.
7. Touch the static-protective package that contains the TR 700 Battery to any unpainted surface on the
outside of the server. Then, take the TR 700 Battery out of the package.
94 ThinkServer User Guide