FLEX Series
One terminal body, swappable heads for top-post, side-post and threaded-stud batteries.

Modular Heavy-Duty Battery Terminal

Heavy-Duty Interchangeable-Head Terminals
Independently tested, not just claimed
Anyone can print "aircraft-grade aluminium" on a listing. We had ours tested by SGS, an independent laboratory, and we publish the report numbers so you can ask for them.
| Series | SGS report | Date | Result |
|---|---|---|---|
| STING | KK-25-09211A | 13 Sep 2025 | A6061-T6 composition verified · 46.0% IACS |
| Eagle | KK-26-04498 | 05 Jun 2026 | 48.0% IACS |
| FLEX | KK-26-04499 | 05 Jun 2026 | 46.7% IACS |
Electrical conductivity tested to ASTM E1004-23. IACS is the standard scale for how well a metal conducts — the figures above are measured on our own parts, not quoted from a material datasheet. Machined and tested in Taiwan. See the actual test reports →
Coming: Battery Terminal Fitment & Torque Guide
Post identification chart, the four measurements to take in your own engine bay, torque table, and a print-to-scale paper template you can hold against your battery before you order. Body dimensions are already published in the dimension table.
We are still measuring — every dimension in the guide is taken off the actual product rather than a drawing, and we would rather publish it late than publish a number we have not verified. There is no signup form here yet because we have nothing to send you yet. When the guide is ready this box becomes the place to get it.