Workbench mode · read-only

Demo 12V 12Ah · Generic 18650 Li-ion (demo)

3S4P

Nominal

11.1 V

Max (full)

12.6 V

Capacity

12.0 Ah

Cells

12

PACK + = positive side of G3 · PACK − = negative side of G1

Verification status: NOT ENGINEERING-VERIFIED

This layout was generated automatically. Correct S/P maths does not make a pack safe or ready to weld. Have the design, BMS, fusing, interconnects, insulation and thermal design independently validated before assembly.

Tap a cell to identify it · 55×74×65 mm (cells only)

Connection plan review

0 proposed link(s) — see the Links tab above. Conceptual only; not a weld or build plan.

Topology correctness

Not verified
  • No manual proposals yet — topology is only described by suggestions.

Physical route feasibility

Not verified
  • Routes are straight conceptual corridors between cell centres; real conductor paths, clearances and insulation are not modelled.

Conductor & thermal

Not verified
  • 0 of 0 proposal(s) have a conductor note.
  • Electrical and manufacturing ratings not verified: no current capacity, resistance, heating, sizing or weld design is calculated.

Cell matching

Not verified
  • Cell matching (capacity, internal resistance, state of charge, batch) is not checked.

BMS & protection

Not verified
  • BMS topology, balance leads, individual cell fusing and the main pack fuse are not modelled or verified.

No overall "safe to build" or "ready to weld" status is given. Electrical and manufacturing ratings not verified.

  • Electrical protection is unverified: BMS topology, individual cell fusing and pack fuse are not modelled.

Protection / BMS review

Info needed

Insufficient information

No BMS entered

  • BMS

    No BMS entered. A multi-cell lithium pack needs a BMS matched to its chemistry and series count.

A match only means the values you typed agree with this pack. It does not verify the BMS, its real ratings, wiring, fusing, conductors, cell matching or thermal design. Follow the BMS manufacturer's manual.

Material cost estimate

Incomplete
  • Cells12 × price missingMissing
  • BMSBMS not selected
Priced subtotal (incomplete)€0.00

Estimate incomplete — not a final total. Missing: Cells, BMS not selected.

Materials only — labor, shipping, taxes, consumables and overhead not included unless entered. Prices are your own entries; no currency conversion.

Safety checklist

0/9

The checklist is a personal reminder only. Completing it does not certify the pack.