Which Battery Type Is Best For Your PCMS?

Which Battery Type Is Best For Your PCMS?

Portable Changeable Message Sign (PCMS) Battery Options: Wet Lead-acid (FLA – stands for Flooded Lead-Acid) Sealed Lead-acid (SLA) Lithium Iron Phosphate (LiFePO4) Wet lead-acid batteries: The battery is like the battery in your car. Some PCMS manufacturers are moving...
Full-Size PCMS Comparison: Spyder Platform vs Traditional Message Boards

Full-Size PCMS Comparison: Spyder Platform vs Traditional Message Boards

Comparison of Full-Sized, Full-Matrix Portable Message Boards This document presents a factual comparison of the INEX Spyder Platform and other full-size, full-matrix portable message boards. All specifications are sourced from manufacturer-published data as of 2026....
Impact From Low Battery State of Charge (SOC)

Impact From Low Battery State of Charge (SOC)

Power Output vs SoC: Lead‑Acid vs LiFePO₄ How declining SoC affects power output. Lead‑Acid Voltage falls linearly as SoC drops. Internal resistance rises quickly → voltage sag under load. Power output becomes unstable below ~50% SoC. LiFePO₄ Voltage stays flat from...