Article 3 sets out the working definitions. Portable batteries are sealed, 5 kg or less, and not specifically designed for industrial use or for EV, LMT, or SLI use. LMT batteries are sealed, 25 kg or less, and specifically designed for traction in light means of transport. SLI batteries are specifically designed for starting, lighting, or ignition. Industrial batteries include batteries specifically designed for industrial uses, repurposed batteries intended for industrial uses, and any other battery over 5 kg that does not fall into another category. EV batteries are traction batteries for eligible road vehicle categories, including category L batteries above 25 kg.
These weight thresholds and intended use tests are the place where many classification errors occur.