Transportation & Mobility (Large, High-Power Packs)
This is a rapidly growing sector centered on electrification.
- Electric Vehicles (EVs & PHEVs): The battery pack is the single largest and most critical component (e.g., Tesla, BYD, Volkswagen ID. series).
- Electric Bicycles & Scooters (E-bikes & E-scooters): Powering the personal micro-mobility revolution.
- Electric Motorcycles & Scooters.
- Electric Buses & Commercial Trucks.
- Advanced Automotive Applications: The 12V lithium-ion starter battery in some modern conventional and hybrid cars, replacing lead-acid.
- Marine Applications: Electric boat motors and onboard power systems.
- Aviation: Emerging use in electric vertical take-off and landing aircraft (eVTOLs) and as auxiliary power units (APUs) in conventional aircraft.
Stationary & Grid Energy Storage (Very Large Scale Packs)
These systems store energy for backup or grid management.
- Home Energy Storage Systems: Like the Tesla Powerwall, LG Chem RESU, or Enphase IQ Battery. They pair with solar panels or provide backup power.
- Commercial & Industrial (C&I) Backup Power: Replacing traditional diesel generators for critical infrastructure (data centers, hospitals).
- Utility-Scale Battery Energy Storage Systems (BESS): Football-field-sized installations that stabilize the electrical grid, store renewable energy (solar/wind), and provide frequency regulation.
Medical & Critical Devices (Reliability-Critical Packs)
- Portable Medical Equipment: Infusion pumps, portable oxygen concentrators, defibrillators (AEDs), and diagnostic devices.
- Wheelchairs & Mobility Scooters: Providing independence for users.
- Implantable Devices: Pacemakers and neurostimulators use specialized, long-life lithium primary (non-rechargeable) cells.
Industrial & Commercial Equipment
- Unmanned Aerial Vehicles (UAVs/Drones): For commercial, agricultural, and industrial inspection.
- Robotics: Warehouse robots (like those from Amazon), automated guided vehicles (AGVs), and robotic vacuum cleaners.
- Telecom Backup Power: Backup batteries for cell phone towers and network equipment.
- Emergency Lighting & Exit Signs
- Unmanned Aerial Vehicles (UAVs/Drones): For commercial, agricultural, and industrial inspection.
Key Takeaway: The defining characteristics of lithium batteries—high energy density, rechargeability, and relatively low self-discharge—make them the dominant choice for applications ranging from tiny wearable devices to massive grid-support systems. Their use continues to expand into new sectors as technology advances and costs decline.