Samsung Focus SGH-I917 User Manual page 136

operation time (talk time and standby time) is noticeably shorter than
normal, it is time to buy a new battery.
If left unused, a fully charged battery will discharge itself over time and
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must be recharged before use.
Use only Samsung-approved batteries and recharge your battery only
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with Samsung-approved chargers which are specifically designed for
your phone. When a charger is not in use, disconnect it from the power
source. Do not leave the battery connected to a charger for more than
a week, since overcharging may shorten its life.
Do not use incompatible cell phone batteries and chargers. Some Web
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sites and second-hand dealers, not associated with reputable
manufacturers and carriers, might be selling incompatible or even
counterfeit batteries and chargers. Consumers should purchase
manufacturer or carrier recommended products and accessories. If
unsure about whether a replacement battery or charger is compatible,
contact the manufacturer of the battery or charger.
• Misuse or use of incompatible phones, batteries, and charging devices
could result in damage to the equipment and a possible risk of fire,
explosion, leakage serious injuries, damage to your phone, or other
serious hazard.
Extreme temperatures will affect the charging capacity of your battery:
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it may require cooling or warming first.
Do not leave the battery in hot or cold places, (below 0 °C (32 °F) or
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over 45 °C (113 °F) such as in a car in summer or winter conditions, as
you will reduce the charging capacity and lifetime of the battery.
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Always try to keep the battery at room temperature. A phone with a
hot or cold battery may temporarily not work, even when the battery is
fully charged. Li-ion batteries are particularly affected by temperatures
below 0 °C (32 °F).
Do not place the battery in, on or near areas that may get very hot,
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such as on or near a microwave oven, cooking surface, cooking
appliance, iron, or radiator. Batteries may explode when overheated.
Do not get your phone or battery wet. Even though they will dry and
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appear to operate normally, the circuitry could slowly corrode and
pose a safety hazard.
Do not short-circuit the battery. Accidental short-circuiting can occur
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when a metallic object (coin, clip or pen) causes a direct connection
between the + and - terminals of the battery (metal strips on the
battery), for example when you carry a spare battery in a pocket or
bag. Short-circuiting the terminals may damage the battery or the
object causing the short-circuiting.
• Do not permit a battery out of the phone to come in contact with metal
objects, such as coins, keys or jewelry.
Do not crush, puncture or put a high degree of pressure on the battery
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as this can cause an internal short-circuit, resulting in overheating.
Dispose of used batteries in accordance with local regulations. In some
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areas, the disposal of batteries in household or business trash may be
prohibited. Do not handle a damaged or leaking Lithium Ion (Li-Ion)
battery. For safe disposal options for Li-Ion batteries, contact your