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Charge batteries in temperatures from 5°C to 40°C (41°F to 104°F). The device or cradle always performs
battery charging in a safe and intelligent manner. At higher temperatures (e.g. approximately +37°C
(+98°F)) the device or cradle may for small periods of time alternately enable and disable battery charging
to keep the battery at acceptable temperatures. The device and cradle indicates when charging is disabled
due to abnormal temperatures via its LED.
Table 2 Charging/Notification LED Charging Indicators
State LED Indication
Off Device is not charging. Device is not inserted correctly in the
cradle or connected to a power source. Charger/cradle is not
powered.
Slow Blinking Amber (1
blink every 4 seconds)
Device is charging.
Slow Blinking Red (1 blink
every 4 seconds)
Device is charging but the battery is at end of useful life.
Solid Green Charging complete.
Solid Red Charging complete but the battery is at end of useful life.
Fast Blinking Amber (2
blinks/second)
Charging error, e.g.:
• 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 end of useful life., e.g.:
• Temperature is too low or too high.
• Charging has gone on too long without completion (typically
eight hours).
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