Power distribution box for astronomy telescope

Power distribution box 12V and 5V for astronomy telescope accessories.

BOM

2x DC 12V Car Cigarette Lighter Socket Outlet Power

2x 5V 4.2A Dual 2USB Charger Socket Adapter Power

4x GX16 2pin 16mm Aviation Connector

1x DC Power Supply Jack Socket Female Panel Mount Connector 5.5 x 2.1mm

5x Small power ship type switch size 15mm x 21mm

1x DC 100V 10A Voltmeter Ammeter Red+Red LED module

1x Red Terminal Banana Plug Socket Jack Connector

1x Black Terminal Banana Plug Socket Jack Connector

4x M3x20 screw

4x M3 nuts

4x 2x6mm self-tapping screws

1x Sprinter P12V1575 battery 65Ah or similar types