Product size: Each battery box D batteries in parallel measures approximately 7 x 7 x 3cm/2.8" x 2.8" x 1.2";Cable Length( Each ) : 14cm/ 5.5", fits D size batteries; please note that batteries are not included.
Usage: The battery box can be used for your physical science experiments or other purposes, enough to meet your diverse needs.
High quality: Made of high quality PVC and tinned copper metal, good electrical conductivity, safe and durable.
Easy to use: The battery box is simple to install, easy to weld or connect, safe and durable with a long service life.
Stable transmission: The copper contacts inside the battery box and the nickel-plated steel spring clips have good conductivity, and the tinned copper core inside the wire can stably transmit the battery current
Alligator Clips: Extra alligator clips can connect the wires at both ends of the battery box, making it convenient for you to use it in many ways.
Package Content: 4 x 2 Slot D Cell Battery Holder with Two Wires, 20 x Aligator Clips.