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USB transfer rate
Read the statement on USB transfer rate in the User Guide. See “Access User Guide” for
details.
Safety information
Plastic bag notice
DANGER: Plastic bags can be dangerous. Keep plastic bags away from babies and children
to avoid danger of suffocation.
General battery notice (for selected models)
DANGER:
Batteries supplied by Lenovo for use with your product have been tested for compatibility and
should only be replaced with approved parts. A battery other than the one specified by
Lenovo, or a disassembled or modified battery is not covered by the warranty.
Battery abuse or mishandling can cause overheat, liquid leakage, or an explosion. To avoid
possible injury, do the following:
• Do not open, dissemble, or service any battery.
• Do not crush or puncture the battery.
• Do not short-circuit the battery, or expose it to water or other liquids.
• Keep the battery away from children.
• Keep the battery away from fire.
Stop using the battery if it is damaged, or if you notice any discharge or the buildup of foreign
materials on the battery leads.
Store the rechargeable batteries or products containing the rechargeable batteries at room
temperature, charged to approximately 30% to 50% of capacity. We recommend that the
batteries be charged about once per year to prevent overdischarge.
Do not put the battery in trash that is disposed of in landfills. When disposing of the battery,
comply with local ordinances or regulations.
Notice for removable rechargeable battery (for selected models)
DANGER:
Only recharge the battery strictly according to instructions included in the product
documentation.
If the battery is incorrectly replaced, there is danger of an explosion. The battery contains a
small amount of harmful substance.
Notice for built-in rechargeable battery (for selected models)
DANGER:
Do not attempt to remove or replace the built-in rechargeable battery. Replacement of the
battery must be done by a Lenovo-authorized repair facility, technician, or an independent
qualified professional.
Only recharge the battery strictly according to instructions included in the product
documentation.
The Lenovo-authorized repair facilities or technicians recycle Lenovo batteries according to
local laws and regulations.
Lithium coin-cell battery notice (for selected models)
DANGER: Danger of explosion if battery is incorrectly replaced.
If the coin-cell battery is not a CRU, do not attempt to replace the coin-cell battery.
Replacement of the battery must be done by a Lenovo-authorized repair facility or technician.
The Lenovo-authorized repair facilities or technicians recycle Lenovo batteries according to
local laws and regulations. When replacing the lithium coin-cell battery, use only the same
type or equivalent type that is recommended by the manufacturer. The battery contains
lithium and can explode if not properly used, handled, or disposed of. Swallowing the lithium
coin-cell battery will cause chocking or severe internal burns in just two hours and might even
result in death.
Keep batteries away from children. If the lithium coin-cell battery is swallowed or placed
inside any part of the body, seek medical care immediately.
Do not:
• Throw or immerse into water
• Heat to more than 100°C (212°F)
• Repair or disassemble
• Leave in an extremely low air pressure environment
• Leave in an extremely high-temperature environment
• Crush, puncture, cut, or incinerate
Dispose of the battery as required by local ordinances or regulations.
The following statement applies to users in the state of California, U.S.A.
California Perchlorate Information:
Products containing manganese dioxide lithium coin-cell batteries may contain perchlorate.
Perchlorate Material - special handling may apply, see
https://www.dtsc.ca.gov/hazardouswaste/perchlorate
Laser safety information (for selected models)
CAUTION:
When laser products (such as CD-ROMs, DVD drives, fiber optic devices, or transmitters)
are installed, note the following:
• Do not remove the covers. Removing the covers of the laser product could result in
exposure to hazardous laser radiation. There are no serviceable parts inside the device.
• Use of controls or adjustments or performance of procedures other than those specified
herein might result in hazardous radiation exposure.
DANGER:
• Some laser products contain an embedded Class 3A or Class 3B laser diode. Note the
following:
• Laser radiation when open. Do not stare into the beam, do not view directly with optical
instruments, and avoid direct exposure to the beam.
