Charge batteries in ambient temperatures from
5°C to 40°C (41°F to 104°F)
0°C to 45°C (32°F to 113°F)
. The device always performs battery charging in a safe and intelligent manner. At higher temperatures (e.g. approximately +37°C (+98°F)), the device may, for small periods of time, alternately enable and disable battery charging to keep the battery at acceptable temperatures. The device indicates when charging is disabled due to abnormal temperatures via its LED.
