The Occuplaytional Therapist - When my own battery is low as a parent, I know I find it hard to “charge” my child's batteries, too. I do two things in that case:
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Adafruit Universal USB / DC / Solar Lithium Ion/Polymer charger [bq24074] : ID 4755 : $14.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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