TC22/TC27 Touch Computer Product Reference Guide

Main Battery Charging

Before using the device for the first time, charge the main battery until the green Charging/Notification light-emitting diode (LED) remains lit. Use a cable or a cradle with the appropriate power supply to charge the device.

There are three batteries available:

Standard 3,800 mAh PowerPrecision LI-ON Battery - part number: BTRY-TC2L-2XMAXX-01

Standard 3,800 mAh PowerPrecision LI-ON Battery with BLE Beacon - part number: BTRY-TC2L-2XMAXB-01

Extended 5,200 mAh PowerPrecision LI-ON Battery - part number BTRY-TC2L-3XMAXX-01

The device’s Charging/Notification LED indicates the battery charging status in the device. The standard battery charges from fully depleted to 80% in less than 1 hour and 20 minutes.

The extended battery charges from fully depleted to 80% in less than 1 hour and 50 minutes.

Charge batteries at room temperature with the device in Sleep mode.

Charging/Notification LED Charging Indicators
State	Indication
Off	The device is not charging. It is incorrectly inserted in the cradle or connected to a power source, and the charger/cradle is not powered.
Slow Blinking Amber (1 blink every 4 seconds)	The device is charging.
Slow Blinking Red (1 blink every 4 seconds)	The device is charging, but the battery is at the end of its useful life.
Solid Green	Charging complete.
Solid Red	Charging is complete, but the battery is at the end of its useful life.
Fast Blinking Amber (2 blinks/second)	Charging error, for example: Temperature is too low or too high. Charging has gone on too long without completion (typically eight hours).
Fast Blinking Red (2 blinks/second)	Charging error but the battery is at the end of its useful life, for example: Temperature is too low or too high. Charging has gone on too long without completion (typically eight hours).