Two solar panels at the top of the keyboard work to keep the internal battery charged, even in low indoor ambient light.
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UT Conference Center, 311 Conference Center Suite B3, Knoxville, TN 37996 | phone: 865-974-9218 | fax: 865-974-1838 | info@tnsolarenergy.org | TSEA is not a subsidiary of the University of Tennessee, the UTk Campus, or its associated research facilities. 