Samsung SCH-R631DWACRI - Manual (Page 120)

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• Battery charging time depends on the remaining battery charge and the
type of battery and charger used. The battery can be charged and
discharged hundreds of times, but it will gradually wear out. When the
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.
• Use only Samsung-approved batteries and recharge your battery only with
Samsung-approved chargers. 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 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, or other serious hazard.
• Extreme temperatures will affect the charging capacity of your battery: it
may require cooling or warming first.
• Do not leave the battery in hot or cold places, such as in a car in summer or
winter conditions, as you will reduce the capacity and lifetime of the
battery. 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