
Trex™ HD Monitoring Amplifier
User & Service Manual
50
12. Natus External Battery Pack
For more information on the Natus External Battery Pack, refer to 034148 - Natus External Battery Pack
Instructions for Use.
12.1. External Battery Pack Warnings and Cautions
Charge battery only in clean, well-ventilated, non-hazardous locations.
For infrequently used batteries, or batteries for long-term storage (longer than 3 months),
the recommended method of storage is to leave the battery connected to the power
supply.
If stored disconnected from the power supply, charge the battery to approximately 40%
charge prior to storing and recharge annually if not used sooner.
Battery should not be left in a discharged state. Recharge battery immediately after use.
Do not open or allow water to enter battery case.
Sealed unit-do not disassemble. No field serviceable parts inside case. Do not attempt to
open the case or expose to moisture. Doing so may result in serious bodily injury or death
due to electrical shock.
Do not install the Trex HD Monitoring system or use an electrical outlet within 10 feet of a
swimming pool.
Do not use with an electrical outlet in the bathroom.
Battery must be recycled or disposed of properly. Do not incinerate.
For indoor use only.
Charge only with approved power supply.