Variable Battery Power Supply for up to 4 D Cells Subcategory_Alternative Energy Die-cast body with plated brass

Die-cast body with plated brass parts anchors this cork-lined two-prong universal clamp

holding under at least 100 Newtons of separation force after hand-evacuation of the air between them

Supplied as the seven most common classroom sizes

letting students explore induction

Used to measure higher-current circuits up to 10 amps

Variable Battery Power Supply for up to 4 D Cells Subcategory_Alternative Energy Die-cast body with plated brassSeries and parallel reconfigurable variable battery power supply holding up to four D cells, letting students study voltage, current, and basic circuit behavior in electronics and physics labs.