Adapted to the base of AA/AAA dry batteries
Using screws as terminal blocks, no welding required, convenient wiring
Screw size 6 * 3 mm
5号、7号电池底座,使用3毫米的螺丝作为导线连接头,无需购买其他五金件,随用随打,你也可以根据家里现有的螺丝型号,更改孔洞大小