Custom Power Bank |4| BOM Analysis
Intro
This series of notes describes developing process of custom power bank.
Purpose: analyzing of price distribution between different components of whole device.
Analyzes of BOM
Note: most of prices are from JLCPCB.
| *Battery holder included | *Batteries included | *Housing included |
Pie Chart
Line Chart
JLCPCB PCB+ASM
 |  |
| *Shipping price not accounted | *Battery holder not accounted | *Batteries not accounted | *Housing not accounted |
Table
| Q | 5Q | 10Q | 15Q | $20Q | $25Q | 30Q | 50Q |
| PCB | $7 | $13 | $35.7 | $39.6 | $43.50 | $47.40 | $62.90 |
| PCBA | $218.54 | $280.66 | $362.49 | $430.81 | $493.89 | $551.69 | $816.73 |
| TOTAL: | $225.54 | $293.66 | $398.19 | $470.41 | $537.39 | $599.09 | $879.63 |
| UNIT: | $45.11 | $29.37 | $26.55 | $23.52 | $21.50 | $19.97 | $17.59 |
Chart
Conclusions
| 🔴 | The total device price looks high, so device is non-viable on commercial market |