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| Stützbatterie f | |||
| Sicherungsbatterie f; Hilfsbatterie f (Datenerhalt-Sicherung) | |||
| Sicherungsakku f (An additional battery source available in Windows Mobile powered devices. It avoids data loss if the primary battery loses power) | |||
| Pufferbatterie f | |||
| backup battery: 11 phrases in 6 subjects |
| Business | 1 |
| Computers | 3 |
| Electronics | 2 |
| General | 1 |
| Information technology | 1 |
| Technology | 3 |