Troubleshooting - The battery will not fully charge, battery life is too short. - Baby Monitor

• The temperature for the charging conditions is too low or too high. Charge the battery within the specified charging condition range
• Charging conditions (monitor unit) 5 °C – 40 °C (41 °F – 104 °F)
• The battery may not be installed correctly. Check the battery. Refer to "How to install the battery in the monitor".
• The battery may be deteriorated. Replace the battery.
• If the Monitor unit has been accidentily damaged the USB charging port may be damaged. This would prevent the battery from charging properly. If damaged contact an Authorized Panasonic Service center. For information on service select "Support Links" then "Service locator".

This answer applies to KX-HN1032W, KX-HN3001, KX-HN3051, KX-HN4001W, KX-HN4101W, KX-HN4102W