Safety Precautions For Power Supply Unit - HTC EVO Shift 4G Basic Manual

Safety Precautions for Proper Grounding
Installation
Connecting to an improperly grounded
CAUTION:
equipment can result in an electric shock to your
device.
This product is equipped with a USB cable for
connecting with desktop or notebook computer. Be
sure your computer is properly grounded (earthed)
before connecting this product to the computer. The
power supply cord of a desktop or notebook computer
has an equipment-grounding conductor and a
grounding plug. The plug must be plugged into an
appropriate outlet which is properly installed and
grounded in accordance with all local codes and
ordinances.

Safety Precautions for Power Supply Unit

Use the correct external power source
A product should be operated only from the type
of power source indicated on the electrical
ratings label. If you are not sure of the type of
power source required, consult your authorized
service provider or local power company. For a
product that operates from battery power or
other sources, refer to the operating instructions
that are included with the product.
This product should be operated only with the
following designated power supply unit(s). 
AC Adapter HTC, Model TC U250
Handle battery packs carefully
This product contains a Lithium-ion polymer or
Lithium-ion battery. There is a risk of fire and
burns if the battery pack is handled improperly.
Do not attempt to open or service the battery
pack. Do not disassemble, crush, puncture,
short external contacts or circuits, dispose of in
fire or water, or expose a battery pack to
temperatures higher than 140°F (60°C).
WARNING:
Danger of explosion if battery is incorrectly
replaced. To reduce risk of fire or burns, do not
disassemble, crush, puncture, short external
contacts, expose to temperatures above 140°F
(60°C), or dispose of in fire or water. Replace only
with specified batteries. Recycle or dispose of
used batteries according to the local regulations
or reference guide supplied with your product.
3A. Important Safety Information 121