Extensa 4620Z / 4220 User's Guide EN
Page 6
... between 15°C and 25°C (59°F and 77°F). Short-circuiting the terminals may present a risk of radio equipment in any charger or battery that which could cause an explosion or fire resulting in your product. Always try to turn off your device in fuel depots, storage... notebook near gas pumps at service stations. Switch off your vehicle engine. Use of them away from the battery, which came bundled with Acer approved chargers designated for this device. Do not disassemble or dispose of another battery may damage the battery or the connecting object.
... between 15°C and 25°C (59°F and 77°F). Short-circuiting the terminals may present a risk of radio equipment in any charger or battery that which could cause an explosion or fire resulting in your product. Always try to turn off your device in fuel depots, storage... notebook near gas pumps at service stations. Switch off your vehicle engine. Use of them away from the battery, which came bundled with Acer approved chargers designated for this device. Do not disassemble or dispose of another battery may damage the battery or the connecting object.