Hot Sale 8x AA Battery 12V Storage Holder Box Case Battery Pack with ON-OFF Switch Black with DC plug cable in side

Item Specifics:                                                                                                Model Number:HK-IDP-8AA Type: Battery Storage Box Material:ABS impact resistant material Hardware: nickel plated steel Spring: nickel plated steel Rivet: no Wire: 1007# 26AWG Exposed wire length: 150mm with DC2.1 head Color:black Plug size:OD-5.5mm / ID-2.1mm / Barrel Length-10mm 1x 8 AA Battery Holder Box Case (Battery not included)    Product Description                                                                                      100% Brand new and high quality This is for a Brand New Battery Holder Box Case with 8 AA Battery Capacity.  The case has a 5.5mm barrel plug cord and a built-in on/off switch. You can put 8 AA batteries to create a 12V battery power pack.  Most AA rechargeable batteries are 1.2Volts and most disposable alkaline AA batteries are 1.5Volts.  The holder is wired in series, so the voltage is eight times the voltage on a single battery.  This