Product Overview Zeta125/ Zeta125s | 27
EN
3.1 Batteries
3.1.1 Operating Principles
First-time use /
Charging
batteries
• The battery must be charged prior to using it for the first time.
• The permissible temperature range for charging is between 0°C to +40°C/
+32°F to +104°F. For optimal charging, we recommend charging the
batteries at a low ambient temperature of +10°C to +20°C/+50°F to
+68°F if possible.
• It is normal for the battery to become warm during charging. Using the
chargers recommended by GeoMax, it is not possible to charge the battery
if the temperature is too high.
• For Li-Ion batteries, a single refreshing cycle is sufficient. We recommend
carrying out a refreshing cycle when the battery capacity indicated on the
charger or on a GeoMax product deviates significantly from the actual
battery capacity available.
Operation /
Discharging
• The batteries can be operated from -20°C to +55°C/-4°F to +131°F.
• Low operating temperatures reduce the capacity that can be drawn; high
operating temperatures reduce the service life of the battery.
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