Section 14: Health and Safety Information 229Battery PrecautionsSection 14• Follow battery usage, storage and charging guidelines found inthe user’s guide.• Battery charging time depends on the remaining battery chargeand the type of battery and charger used. The battery can becharged and discharged hundreds of times, but it will graduallywear out. When the operation time (talk time and standby time)is noticeably shorter than normal, it is time to buy a newbattery.• If left unused, a fully charged battery will discharge itself overtime.• Use only Samsung-approved batteries and recharge yourbattery only with Samsung-approved chargers. When a chargeris not in use, disconnect it from the power source. Do not leavethe battery connected to a charger for more than a week, sinceovercharging may shorten its life.• Do not use incompatible cell phone batteries and chargers.Some Web sites and second-hand dealers, not associated withreputable manufacturers and carriers, might be sellingincompatible or even counterfeit batteries and chargers.Consumers should purchase manufacturer or carrierrecommended products and accessories. If unsure aboutwhether a replacement battery or charger is compatible,contact the manufacturer of the battery or charger.• Extreme temperatures will affect the charging capacity of yourbattery: it may require cooling or warming first.• Do not leave the battery in hot or cold places, such as in a carin summer or winter conditions, as you will reduce thecapacity and lifetime of the battery. Always try to keep thebattery at room temperature. A phone with a hot or coldbattery may temporarily not work, even when the battery isfully charged. Li-ion batteries are particularly affected bytemperatures below 0 °C (32 °F).• Do not place the phone in areas that may get very hot, such ason or near a cooking surface, cooking appliance, iron, orradiator.
