Overview
The emWave2 is a portable handheld device powered by an internal lithium-ion rechargeable battery. Regular charging ensures that your device is ready for standalone use whenever you need to practice coherence on the go.
How to Charge Your Device
-
Use the Provided Cable: Locate the USB cable that came with your emWave2.
-
Connect to Power: Plug the small end of the cable into the bottom of the emWave2 and the larger end into a powered USB port on your computer.
-
Note: You can also use a standard USB wall adapter (like a cell phone charger) if a computer is not available.
-
-
Automatic Start: The charging process begins automatically as soon as the device is connected to a power source.
Understanding the Charging Indicators
The Heart Action Strip (the vertical row of lights on the face of the device) acts as your battery gauge during the charging process:
-
In Progress: You will see blue lights moving upward in a “climbing” motion. This indicates that the battery is currently drawing power.
-
Fully Charged: When the battery reaches 100%, all five blue lights will remain solid.
-
Technical Tip: In some units, the four bottom lights will be solid while the top (fifth) light continues to flicker. This usually indicates the unit has reached its maximum charge capacity.
-
Battery Performance and Maintenance
-
Charge Time: It takes approximately 2 hours to reach a full charge from a completely drained state.
-
Usage Time: A fully charged battery provides between 5 to 8 hours of active session time, depending on your brightness and sound settings.
-
Low Battery Warning: When the battery is low, the device may exhibit a red light or fail to start a session.
-
Long-Term Storage: If you do not plan to use your emWave2 for an extended period, it is recommended to charge it fully before storing it. To maintain battery health, try to charge the device at least once every few months even if it is not in active use.
Troubleshooting
If your device does not show any lights when plugged in:
-
Ensure the computer is turned on and not in “Sleep” mode, as many USB ports stop providing power when the computer sleeps.
-
Try a different USB port or a different USB cable to rule out connection issues.
-
If the battery is extremely depleted, it may take 10–15 minutes of charging before the lights appear.