vipierce, open or disassemble the battery. If the battery leaks and you come intocontact with the leaked fluids, rinse thoroughly with water and seek medicalattention immediately. For safety reasons, and to prolong the lifetime of thebattery, charging will not occur at temperatures below 0°C (32°F) or above 40°C(104°F).The full performance of a new battery is achieved only after two or threecomplete charge and discharge cycles. The battery can be charged anddischarged hundreds of times, but it will eventually wear out. When theoperation time becomes noticeably shorter than normal, buy a new battery. Useonly the approved batteries, and recharge your battery only with the approvedchargers designated for this device.Use the battery only for its intended purpose. Never use any charger or batterythat is damaged. Do not short-circuit the battery. Accidental short-circuiting canoccur when a metallic object such as a coin, clip or pen causes direct connectionof the positive (+) and negative (-) terminals of the battery. (These look likemetal strips on the battery.) This might happen, for example, when you carry aspare battery in your pocket or purse. Short-circuiting the terminals maydamage the battery or the connecting object.The capacity and lifetime of the battery will be reduced if the battery is left inhot or cold places, such as in a closed car in summer or winter. Always try tokeep the battery between 15°C and 25°C (59°F and 77°F). A device with a hot orcold battery may not work temporarily, even when the battery is fully charged.Battery performance is especially limited in temperatures well below freezing.Do not dispose of batteries in a fire as they may explode. Batteries may alsoexplode if damaged. Dispose of batteries according to local regulations. Pleaserecycle when possible. Do not dispose as household waste.Wireless devices may be susceptible to interference from the battery, whichcould affect performance.Replacing the battery packThe notebook uses lithium batteries. Replace the battery with the same type asthat which came bundled with your product. Use of another battery maypresent a risk of fire or explosion.Warning! Batteries may explode if not handled properly. Do notdisassemble or dispose of them in fire. Keep them away fromchildren. Follow local regulations when disposing of usedbatteries.Caution for Optical Drive Device(only for certain models)CAUTION: This appliance contains a laser system and is classified as a "CLASS 1LASER PRODUCT." In case of any trouble with this device, please contact your