Rechargeable Batteries

In short: A rechargeable battery (accumulator) is a battery that can be recharged.

In more detail: When charging, electrical energy is stored chemically, and released again when discharging.

In Depth

Types

• Lithium-ion (Li-ion) and lithium polymer (LiPo): phones, laptops, EVs. High energy density.
• LiFePO4: long-lived and safer, popular for storage.
• NiMH: AA/AAA rechargeables, robust.
• Lead: car batteries.

Notes

Deep discharge and heat harm them. Damaged Li-ion batteries can catch fire. Dispose of them at collection points (Battery Act). See batteries, electric cars, chargers.

See also: Batteries, Electric Cars, Chargers