The CPU board contains a lithium battery (button cell CR2032, 3 V, 210 mAh, 20 mm diameter) to keep the terminal's memory alive on power down.
| Caution: It is very important that the battery is of an approved brand (Duracell, Eveready, Panasonic, Ray-O-Vac, Sanyo, Varta, Toshiba, Seiko, or another major battery manufacturer). |
The battery must be replaced at least every 5 years.
Figure 10, Backup Battery case
