This article gives you information on the battery life of the APEX, and how to charge the APEX.
APEX has an acquisition duration of ~4 hours while solely powered from its internal power source. This means that APEX is capable of measuring for 4 hours when performing a SD card measurement or when recording via Bluetooth.
When the battery charge is lower than a certain level (20% of charge left), the power indicator LED of the device becomes orange. When the battery charge is below 10%, the LED blinks orange to indicate that it is time to charge.
Charging the battery is possible during data acquisition. APEX can be charged using a USB cable or a portable power supply (such as a certified power bank). For example, with a powerbank of 3.000 mAh (3.7 V) and a fully charged APEX, the acquisition duration can be extended to ~14 hours. It is not recommended to charge APEX using a charger connected to a mains power outlet during recording.
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