Nokia 918 Owners Manual - Page 12
Important Battery Information, 14°F -10°C. - car charger
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Important Battery Information • Use only batteries and chargers approved by the phone manufacturer. • When a charger is not in use, disconnect it from the power source. Do not leave the battery connected to a charger for longer than a week; overcharging may shorten its life. • If left unused, a fully charged battery will discharge itself in about a week at room temperature. • Never use any charger or battery that is damaged or worn out. • Use the battery only for its intended purpose. • Do not short circuit the battery. Accidental short circuiting can occur when a metallic object (e.g. coin, clip, or pen) causes direct connection of the + and - terminals of the battery (metal strips on the back of the battery), for example when you carry a spare battery in your pocket or purse. Short circuiting the terminal 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 winter conditions, reduces 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 phone with a hot or cold battery may temporarily not work (or charge) even if the battery is fully charged. NiMH battery performance is particularly limited in temperatures below 14°F (-10°C). • Temperature extremes affect the ability of your battery to charge: it may require cooling or warming first. • When the battery is not in use, store it uncharged in a cool, dark and dry place. • The battery is a sealed unit with no serviceable parts. Do not attempt to open the case. • It is recommended that you allow your battery to fully discharge before you recharge it. 6