E-outstanding Battery Holder 4PCS 3 x 1.5V AA Battery Storage Box Spring Clip Battery Case with ON/Off Switch and Wire Leads

Specification: Material: ABS plastic and metal Battery type: 3 x 1.5V AA Rivet: Brass Colour: Black Wire length: about 6 inches (150 mm) Package content: 4PCS 3-slot AA battery box holders (with ON/OFF switch) Feature Easy to install and easy to use. The enclosed bracket is attached with screws. Through the spring clip design, you can easily put the battery in it (battery not included). The plastic is sturdy and can hold the battery firmly. The springs are sturdy and durable, and if you need to tighten or tighten the battery holder, they have convenient screw holes. The ends of the wires are pre-tinned and easy to solder. If you need more voltage, please add it in series.