Framework RK-10v1.0July 2026Executive Brief

Cost Engineering Decomposition Model

BOM is 60% of landed cost. Decompose it into 12 cost drivers, then optimize each. The gap between best and worst OEM is 22%.

Updated July 2026 · 5 Figures · For B2B Buyers & OEM Partners

12-driver cost decomposition — BOM is 60% of landed cost; ea
Figure 1: 12-driver cost decomposition — BOM is 60% of landed cost; each driver has a leverage range.
Cost waterfall from cell to retail. Where margin is created
Figure 2: Cost waterfall from cell to retail. Where margin is created and where it leaks.
OEM cost benchmark — best vs. worst OEM across 12 drivers. T
Figure 3: OEM cost benchmark — best vs. worst OEM across 12 drivers. The gap is 22% of total BOM.
Six cost engineering rules — from cell grade selection to to
Figure 4: Six cost engineering rules — from cell grade selection to tooling amortization strategy.
Mid-range 10000mAh — redesign saved $1.85/unit (13%) through
Figure 5: Mid-range 10000mAh — redesign saved $1.85/unit (13%) through cell regrading + connector simplification + PCB optimization.

Download the Full RK-10 Cost Engineering Decomposition Report (PDF)

Includes the 12-driver cost model, benchmark data across 50+ OEM projects, and the complete cost optimization playbook.

Download Report →

Free for qualified industry professionals.

Get a Cost Decomposition Analysis from Our Engineering Team

We reply within 24 hours. Our team will break down your BOM into 12 cost drivers and identify where you can save without sacrificing quality.

Book an Engineering Consultation →

Related Frameworks

RK-02

RK-06

RK-15

References

• McKinsey & Company — Consumer Electronics Cost Optimization Framework (2024)

• BloombergNEF — Lithium-Ion Battery Price Survey (2024)

• IPC — Electronics Manufacturing Cost Standards (2023)

• Supply Chain Management Review — BOM Cost Decomposition Methodology (2023)

Inquiry Form

Reachinno is your OEM/ODM partner for power solution

and we pay close attention to your requirements.

*Required

Reachinno aim to be the world leading supplier of the power bank.

Subscribe to our newsletter for the latest news and product updates straight to your inbox