What are the specs of the internal battery?

Rechargeable 2200mAh / 7.77Wh, 3.7-4.0V lithium-ion battery.

If you have any further questions please contact our Customer Service Department, which is available Monday through Friday, 8:00am to 5:00pm PST.

Email: info@grencoscience.com
Phone: (800) 948-7480

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