Scores are relative 0–100 marks within this atlas. Use them to browse, not as an engineering spec.
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Quick answers
Which local authority or corridor rules matter for this type?
Start with the local lens: type approval, operator licences and the hubs named on this page — not a single global checklist.
Is this a buying guide?
No. Tool-Lifes /vehicles is an educational atlas. It explains history, systems and culture without affiliate rankings.
Are the scores official?
No. The six scores are relative editorial 0–100 marks across the twenty-four types on this site.
Where do the photos come from?
Lead images resolve from Wikimedia Commons via Wikipedia titles on the English masters, with licences recorded on the credits page.
Why metric units?
Metric is the default. Regional notes (US customary, local brand culture) appear in culture and market chapters.
How is this different from a wiki article?
Each type gets seven fixed-depth chapters, comparable scores and cross-type labs — structured for browsing, not a single freeform page.
Every Electric car is a negotiated stack of structure, energy conversion, control and human interfaces under weather and regulation.
The systems, meters and hotspots below are type-level engineering — manufacturers vary; load paths and failure modes do not.
Systems
Battery pack & BMS
Prismatic or pouch cells in modules feed a high-voltage bus monitored by the battery management system. Cell balancing, isolation detection, and thermal limits protect state-of-health.
Traction inverter
Silicon-carbide or IGBT inverter converts DC pack voltage to three-phase AC for the permanent-magnet motor. Regenerative braking reverses power flow into the pack.
On-board charger & DC port
OBC rectifies AC from Type 1/2 or NACS connectors; DC fast charge bypasses it via contactors and cooling interlocks.
Drive-by-wire chassis
Steer-by-wire or EPS racks, brake blending, and one-pedal profiles coordinate through domain controllers on automotive Ethernet.
HV safety interlocks
Pyro-fuses, service disconnects, and crash sensors open contactors and vent gas paths if isolation fails.
Heat pump thermal loop
Refrigerant circuit heats or cools cabin and battery; plate chillers and PTC heaters extend cold-weather range.
Relative meters
Hotspots
HV contactors
Welded or high-resistance contacts prevent safe isolation and can overheat during charge or drive.
Cell tab welds
Micro-fractures raise internal resistance and localized hot spots inside modules.
Coolant pump seals
Leaks near orange HV cables create isolation faults and derated charging.
DC charge inlet
Pin overheating from misalignment shows as reduced charge rate or connector damage.
12 V auxiliary battery
A weak low-voltage battery can lock out HV contactors despite a full traction pack.
Materials
NMC811 cathode cells
Nickel-rich layered oxide cathodes deliver high energy density with managed thermal runaway barriers.
6061 aluminum extrusions
Battery enclosure rails and crash structures combine stiffness with repair-friendly sections.
Silicone thermal interface pads
Compliant pads transfer heat from cell faces to cold plates without stressing welds.
Immersion dielectric fluid (select packs)
Engineered fluids suppress arcing and improve uniform cooling in high-performance packs.
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