A lithium-ion battery or Li-ion battery (abbreviated as LIB) is a type of rechargeable battery. … In the batteries, lithium ions move from the negative electrode through an electrolyte to the positive electrode during discharge, and back when charging.
- Self-discharge rate: 0.35% to 2.5% per month
- Charge/discharge efficiency: 80–90%
- Energy density: 250–693 W·h/L (0.90–2.43 MJ/L)