JAR Systems Active Charge Power Bank 4-Pack with HP Connectors 4-PackCharge devices anywhere with Active Charge Power Bank 4 Packa portable, classroom ready solution designed to keep students, teachers, and staff productive without interruption. Active Charge is built to power a wide range of devices, from laptops and tablets to smartphones and accessories, so work doesnt have to pause when outlets are scarce. This 4 pack delivers scalable, bulk charging that suits schools, training centers, co working spaces, and busy