infaco A3M V2.0 Instructions For Using Manual page 14

Charging the battery
It is strictly forbidden to charge the batteries when the temperature in the
room is below 0°C or higher than 40°C.
When charging, the battery must not be covered and not be close to a heat
Charging a second battery
A second battery can be placed on the charger:
1. Place the battery on channel 1 of the charger
2. Once the battery is in place, the charger detects it
and begins charging:
- Channel 1: Green LED flashes quickly
3. Battery charge completion:
- Channel 1: Green LED on (not flashing). The time
needed to fully charge an 831B battery is about one
and a half hours
4. Place the battery on channel 2
5. If the battery on channel 1 is charging, the battery on
channel 2 switches to a waiting charge status:
- Channel 1: Green LED flashes quickly throughout the
charge.
- Channel 2: Green LED flashes slowly throughout the wait.
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