Douglas Harper's Etymology Dictionary
1901 of batteries, etc., from recharge + -able. Earlier in financial accounts.
Wiktionary
a. able to be recharged, especially of a battery that can be recharged from mains electricity via a charger n. A device that may be recharged
WordNet
adj. capable of being recharged; "a rechargeable battery"
Usage examples of "rechargeable".
The suits had toilet functions, heating and cooling units, rechargeable batteries, waterbottles, and air tanks, all the comforts of home.
The rechargeable batteries only lasted four hours if she used both lamps, eight hours if she alternated, but the light they gave was steady, strong, and clear.
There were also rechargeable batteries, light bulbs, solid alcohol for fuel, film, a whetstone, solder and soldering iron, adhesive, assorted fishing line, fire extinguishers .