Description:This battery holder with spring load design, can be hold 4 x 1.5V AAA Batteries.You can easily to put the batteries in it.The metal column in the positive can be bounced to most fit the device.Batteries are not included here.1. When the battery case is working, the maximum power should be less than 10W, the working current should be less than 2A.2.Please pay attention to your battery heat generation while using this product and do not use the poor quality battery.
