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• Extreme temperatures can affect the ability of your battery to
charge. Battery needs the fit temperature. If the surrounding
temperature is over 40°C, the battery cannot be charged.
• Use the battery only for its intended purpose. Never use any
charger or battery that is damaged.
• Do not short-circuit the battery. Accidental short-circuiting
can occur when a metallic object such as a coin, clip, or pen
causes direct connection of the positive (+) and negative (-)
terminals of the battery. (These look like metal strips on the
battery.) Short-circuiting the terminals may damage the
battery or the connecting object.
• Leaving the battery in hot or cold places, such as in a closed
car in summer or a freezer in winter conditions, will reduce the
capacity and lifetime of the battery. Always try to keep the
battery between 59°F and 77°F (15°C and 25°C). A hot or cold
battery may not function temporarily, even when the battery is
fully charged.
• Battery performance is particularly limited in temperatures
below freezing.
• Do not dispose of batteries in a fire! Dispose of batteries
according to local regulations. Please recycle when possible.
Cellphones are not considered household waste.
 Mobile phone maintenance
• Keep the device dry. Precipitation, humidity, and all types of
liquids or moisture can contain minerals that will corrode
electronic circuits. If your device does get wet, remove the
battery and allow the device to dry completely before
replacing it.
• Do not store the device in hot areas. High temperatures can
shorten the life of electronic devices, damage batteries, and
warp or melt certain plastics.
• Do not store the device in cold areas. When the device
returns to its normal temperature, moisture can form inside
the device and damage electronic circuit boards.
• Do not attempt to open the device other than as instructed in
this guide.
• Do not drop, knock, or shake the device. Rough handling
can break internal circuit boards and fine mechanics.
• Do not use harsh chemicals, cleaning solvents, or strong
detergents to clean the device.
• Do not paint the device. Paint can clog the moving parts and
prevent proper operation.