Lenovo System x3550 M5 Installation And Service Manual page 244

CAUTION:
When replacing the lithium battery, use only Part Number 33F8354 or an equivalent type battery
recommended by the manufacturer. If your system has a module containing a lithium battery,
replace it only with the same module type made by the same manufacturer. The battery contains
lithium and can explode if not properly used, handled, or disposed of.
Do not:
– Throw or immerse into water
– Heat to more than 100°C (212°F)
– Repair or disassemble
Dispose of the battery as required by local ordinances or regulations.
To remove the coin-cell battery, complete the following steps:
Step 1. Read the safety information that begins on "Safety" on page v and "Installation guidelines" on
page 116.
Step 2. Turn off the server and peripheral devices and disconnect the power cords and all external cables,
if necessary.
Step 3. Remove the cover (see "Removing the cover" on page 119).
Step 4. If necessary, lift PCI riser-card assembly 1 or the rear 2.5-inch hot-swap-drive kit out of the
chassis (see "Removing a PCI riser-card assembly" on page 169 or "Removing the rear 2.5-inch
hot-swap-drive kit" on page 140).
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Lenovo System x3550 M5 Installation and Service Guide