For the current supply of the terminal Lithium-Ion batteries are used. A rechargeable, not exchangeable by the user, backup battery secures the main memory if the capacity of the main battery is low or during the change of the main battery. The backup battery is charged by the main battery.
| Battery |
Capacity |
Weight |
Charging Time |
Running Time |
| HA-F20BAT (3,7V) |
1.100 mAh |
28g |
3,0 hours (Cradle) |
9 - 15 hours |
| HA-F21LBAT (3,7V) |
1.880 mAh |
46g |
5,5 hours (Cradle) |
15- 26 hours |
| Backup-Battery |
- |
- |
4,0 days |
10 minutes for RAM |
Further information, especially about calculating the running time can be found in the Hardware Manual. For WLAN operation we strongly recommend using the large battery HA-F21LBAT.
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