158 VQT4D14The battery used in this unit is a rechargeable lithium-ion battery. It issusceptible to humidity and temperature and the effect increases themore the temperature rises or falls. In cold areas, the full chargeindication may not appear or the low battery indication may appear about5 minutes after starting use. At high temperatures, the protection functionmay be triggered, making it impossible to use the unit.Be sure to detach the battery after use.≥ If the battery is left attached, a minute amount of current continues toflow even if the unit is off. Keeping the unit in this state may result inover discharge of the battery. This may result in you not being able touse the battery even after it is charged.≥ The battery should be stored in the vinyl bag so metal does not comeinto contact with the terminals.≥ The battery should be stored in a cool place free from humidity, with asconstant temperature as possible. (Recommended temperature: 15 oCto 25 oC (59 °F to 77 °F), Recommended humidity: 40%RH to 60%RH)≥ Extremely high temperatures or low temperatures will shorten the lifeof the battery.≥ Do not contaminate the terminal portion of the battery attachmentportion or the battery terminals.≥ If the battery is kept in high-temperature, high-humidity, or oily-smokyplaces, the terminals may rust and cause malfunctions.≥ To store the battery for a long period of time, we recommend youcharge it once every year and store it again after you have completelyused up the charged capacity.≥ Dust and other matter attached to the battery terminals should beremoved.≥ Do not remove the external labels and this may result in a malfunctionof the unit.Prepare spare batteries when going out for recording.≥ Prepare batteries enough to last for 3 to 4 times the period you areplanning to record for. Cold places such as a ski resort can shortenrecording time.About the battery