2 - 12 WT4070/90 Wearable Terminal Integrator Guide
Battery Charging Indicators
Each battery charging well has an amber Spare Battery Charge Status LED. (see Figure 2-10 on page 2-11). See 
Table 2-2 for charging status indications.
The standard capacity battery usually charges in less than four hours and the extended capacity battery usually 
charges in less than eight hours.
Table 2-2    
 Spare Battery Charge Status LED Indicators
LED Indication
Off No spare battery in slot; spare battery not placed correctly; cradle is not powered.
Fast Blinking Amber Charging error:
•
Temperature is too low or too high.
•
Charging has gone on too long without completing (typically eight hours).
Slow Blinking Amber Spare battery is charging.
Solid Amber Charging complete.