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Crestron TPS-6X-BTP Battery Pack for TPS-6X
Charging
NOTE: A Nickel Metal Hydride (NiMH) battery typically provides 500
charge/discharge cycles.
To charge the TPS-6X-BTP, install the TPS-6X-BTP in a TPS-6X
touchpanel and mount the touchpanel on a powered TPS-6X-DS or
TPS-6X-DS-C Docking Station/Charger (TPS-6X-DS-C sold separately).
NOTE: The battery pack may take up to three hours to charge in a
powered touchpanel if the panel is in use during charging.
Storage
Over time, the capacity and voltage of rechargeable Nickel Metal
Hydride (NiMH) batteries will decrease if the batteries are not recharged
at regular intervals. This is caused by a chemical reaction that takes place
within the batteries, commonly known as “self-discharge”.
Temperature is a major factor affecting the rate of self-discharge of the
battery when placed in storage. Higher temperatures will increase the rate
of self-discharge. The storage time table on the following page shows
how long it will take NiMH batteries to self-discharge at different storage
temperatures. After the allotted time in storage, the batteries will need to
be cycled (charged and discharged) to prevent permanent damage to the
batteries.
NiMH batteries and packs can be stored at any state of charge. The
information in the storage time table is valid for batteries in any state of
charge. A fully discharged battery will last as long in storage as a fully
charged battery. Storing the battery in a charged state will not increase
the maximum storage period in the storage time table.
• The energy storage capability of the battery negative electrode will
be decreased if the battery is allowed to completely self-discharge.
Therefore, it is important to cycle NiMH batteries that have been
stored for extended periods before use.
• If the batteries are cycled (charged and discharged), the storage
capability will be restored up to 95% of its initial rated capacity
after the second or third cycle.
Installation Guide – DOC. 6740A Battery Pack for TPS-6X: TPS-6X-BTP • 11