Battery Terminal Hat 2

This is a hat covering a Lead–acid battery.
I wanted a power supply that can be moved on a desktop.
Version 2 has built-in regulated power supply.
The case area consists of the upper stage circuit and the lower stage line.

** Spec **
- Output Adjustable from 1.25 to 12 V
- Maximum Current 5 A
- Battery capacity 12 V 5 Ah

** Top **
- Output voltage display
- Output voltage adjustment

** Front **
- Battery voltage display
- Power on/off switch
- Fuse

** Side **
- Output terminal banana
- Charge DC Jack

Check it out and let me know what you think.