Product Description
Availability Update: C‑Max PRO Busbar Kits are built to order. When you place an order, it is added to our active queue of pending builds.
On average, there are about 10 units in the queue at any given time. Most orders ship within 5–7 days, though this can vary slightly depending on current demand.
Thank you for your patience — your kit will be prepared and shipped as soon as it reaches the front of the queue.
Ford CMAX / Fusion 21‑Cell Busbar & Wiring Kit
This kit includes everything needed to properly wire and connect the Ford CMAX / Fusion 21‑cell 25Ah lithium modules—without disassembling or reconfiguring the cells.
Important: This kit does NOT include the battery module. It only includes the busbars, wiring, PCB, hardware, and (for the Pro version) the balancer.
Kit Options
Standard Kit – 3 M8 Terminals
Pro Kit – 6 M8 Terminals + Heltec Balancer
Both versions are designed specifically for the OEM 21‑cell Ford CMAX / Fusion hybrid modules, allowing you to create a clean and reliable 4s5p 14.8V pack capable of extremely high current output—without modifying the internal cell layout.
What’s Included
Precision‑cut metal busbars
Custom PCB board
Wiring harness
Washers and nuts
Heltec balancer (included only in the Pro Kit)
Product Overview
This busbar kit is engineered for the Ford CMAX / Fusion 21‑cell 25Ah lithium modules used in hybrid vehicles. It allows you to convert the module into a powerful 4s5p Li‑ion pack without opening or rearranging the cells.
Once installed, the module becomes a compact, high‑output 14.8V battery capable of delivering up to 1500A (over 22,000 watts), making it ideal for DIY powerwalls, RV systems, EV projects, and high‑demand 12V applications.
Battery module sold separately:
Ford CMAX Hybrid Battery Modules
Usually ships within 6 days. 
