EKGraph Battery Info:
The EKGraph has a built in rechargeable lithium ion battery.
On a full charge it can take anywhere from 150-300 recordings (depending on the time of a recording). Or 4 hours of continuous use.
Charging the Battery:
A full battery re-charge takes around 2 hours. But may be quicker if you are re-charging the device more often.
Ways to Charge:
You may use the included USB and Wall block charger to charge your device. You can also charge the device by plugging it in to a computer USB port.
WE DO NOT RECOMMEND: Using any adaptor other than we provided. Our adaptor charges the device at a specific voltage. Other adaptors can exceed the voltage and damage the battery.