a rechargeable battery
1 able to be recharged (= filled again with electricity) when it has used all its electricity:
A rechargeable battery designed for emergency automobile use powers the sound.
Rechargeable lithium ion batteries offer good specific powers.
It is a battery-powered machine and its rechargeable power pack will keep it running for half an hour.
It will be powered by solar panels and rechargeable batteries.
This particular scenario represents a rechargeable battery that is hooked up to a solar panel.
On-board rechargeable batteries provide about 5 hours of operation.
Its unique feature is a steel flywheel which acts as a rechargeable source of energy.
And so are batteries, especially rechargeable ones, and fluorescent and energy-saving bulbs.
