| Subject | Hungarian | English |
| environ. | akkumulátor/elem | battery A series of cells, each containing the essentials for producing voltaic electricity, connected together |
| environ. | akkumulátor ártalmatlanítás | battery disposal |
| comp., MS | akkumulátor üzemideje | battery life (The time for which the cell(s) in a rechargeable battery can produce an electric current before the battery needs to be recharged) |
| stat., el. | egy akkumulátor | low-tension battery |
| stat., el. | egy akkumulátor | A battery |
| environ. | elektromos akkumulátor | electric battery A direct-current voltage source made up of one or more units that convert chemical, thermal, nuclear, or solar energy into electrical energy |
| econ. | elektromos akkumulátor | electricity storage device |
| comp., MS | elemüzemidő, akkumulátor üzemideje | battery life (The time for which a dry or alkaline cell is able to produce an electric current before it needs to be replaced) |
| stat., el. | hordozható akkumulátor | portable battery |
| energ.ind. | szolár akkumulátor | solar battery |
| comp., MS | tartalék akkumulátor | backup battery (An additional battery source available in Windows Mobile powered devices. It avoids data loss if the primary battery loses power) |