**Consider battery type**
- **Lithium-ion batteries**:
- Advantages: high energy density, long cycle life, lightweight.
- Disadvantages: Higher cost, sensitive to overcharge and overdischarge.
- Scenarios: consumer electronics, electric vehicles, drones, etc.
- **Lithium iron phosphate (LiFePO₄)**:
- Advantages: high safety, long cycle life, moderate cost.
- Disadvantages: low energy density.
- Scenarios: energy storage systems, electric buses, backup power.
- **Sodium-ion batteries**:
- Advantages: low cost, abundant resources, high safety.
- Disadvantages: low energy density, technology not yet fully mature.
- Applicable scenarios: large-scale energy storage, low-speed electric vehicles.
- **Lead-acid batteries**:
- Advantages: low cost, mature technology, high reliability.
- Disadvantages: low energy density, short cycle life, high weight.
- Scenarios: car starting battery, backup power.
- **Nickel-metal hydride batteries (NiMH)**:
- Advantages: high safety, environmental protection.
- Disadvantages: low energy density, high self-discharge rate.
- Scenarios: hybrid vehicles, low-power devices.
- **Solid-state batteries**:
- Advantages: high energy density, high safety, long life.
- Disadvantages: high cost, technology not yet fully commercialised.
- Applicable scenarios: future electric vehicles, high-end consumer electronics.