Aircraft and electrical grid: what they have in common

1. Step 1. Aircraft — includes — Quadcopter (drone). An aircraft.
2. Step 2. Quadcopter (drone) — has part — Lithium-ion battery. A lithium-polymer battery.
3. Step 3. Lithium-ion battery — is part of — Grid battery storage. Lithium-ion modules.
4. Step 4. Grid battery storage — is part of — Electrical grid. Storage balances the grid.

Open Evothings