Some of the first Sony Discmans included rechargeable batteries. These batteries were nickel metal hydride batteries (because of the technology of the time) and are now well past their service life.

Some cameras won't retract their lenses ... but flash recycling is markedly slow. The Sony W170 uses a custom rechargeable lithium-ion battery for power, and ships with a charger.

Flash maker Godox has announced the V100, a fully-featured 100W rechargeable camera strobe with rechargeable Li-ion battery, ...