Universal Portable Rechargeable Laboratory Power Supply

Update. Version 2:
In the second version I removed the battery capacity indicator and slightly adjusted the design. I also attach the A.Fusion project

Version 1
Universal portable rechargeable power supply. Voltage is adjustable from 0 to 36V, current from 0 to 5A. Can also be used as a power bank.
Compared to the original from the respected Pavel (spiritus_sancti), I used a lithium polymer batteries from a faulty Mavic drone. I already had screw terminals with M6 threads from some old power supply. I also used the following components:

1. Buck Boost Converter:
   https://aliexpress.ru/item/1005005483268763.html?sku_id=12000033264291087&spm=a2g2w.productlist.search_results.2.ef107c96JjIrCC

2. Charging Board:
   https://aliexpress.ru/item/1005006431323756.html?spm=a2g2w.orderdetail.0.0.524a4aa6HeHLO5&sku_id=12000037143290399

3. Switch:
   https://aliexpress.ru/item/1005005644250905.html?spm=a2g2w.orderdetail.0.0.10bf4aa6yk8ori&sku_id=12000033864171845

4. Wiring terminal:
   https://aliexpress.ru/item/1005006282892547.html?spm=a2g2w.orderdetail.0.0.d1b84aa6VA5muZ&sku_id=12000036601115950

5. Battery Capacity Indicator:
   https://aliexpress.ru/item/32881158527.html?spm=a2g2w.detail.pers_rcmd.26.58843b34RMYrdc&mixer_rcmd_bucket_id=aerabtestalgoRecommendAbV21_controlRu3&pdp_trigger_item_id=0_1005002794614512&ru_algo_pv_id=4fa3cb-476f2e-45fc5e-0ee6c6-1712822400&scenario=pcDetailBottomMoreOtherSeller&sku_id=65674080194&traffic_source=recommendation&type_rcmd=core

I printed all the sides and bottom of the case separately to avoid using supports. Then glued it together with dichloromethane