Power Management

Internal battery

Type:	CR2032 Lithium coin cell battery
Capacity:	240 mAh
Rechargeable:	No
Replaceable:	Yes
Monitoring:	Hardware allows the battery capacity to be accurately monitored during charging and usage
Protection:	Keypad powers down after each confirmed response transmission to conserve battery life.

Battery life

20,000 responses or battery shelf life

*The keypad samples the battery each time a button is pressed. If it has been a long time between uses of the keypad, it may take a couple of button presses to average out the battery state. Environmental factors also play into this. If the keypads are stored in a cold area and are then brought into a warmer area you may see the battery level reported low until the entire unit warms up. The keypads perform to the same level in all battery states.

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