INFICON 2020ppbPRO Portable Photoionization Detector - Manual (Page 80)

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8. When the battery pack is fully charged, remove the AC adapter, first
from the wall outlet, then from the off line charger.
9. Remove the battery pack connector from the socket on the off-line
charger.
10. Replace the battery pack in the 2020ppbPRO as outlined in Removing
and Replacing the Battery Pack on page 38.
You can keep the battery pack fully charged indefinitely, without overcharging it, by
leaving it connected to the off-line charger while the charger is operating.
Charging from a DC Source
To re-charge your battery pack:
1. Remove the battery pack as outlined in Removing and Replacing the
Battery Pack on page 38.
2. Attach the connector from the battery pack to the socket on the off-line
charger.
NOTE: The connector is polarized. It will only fit one way. Do not force the connection.
3. Plug the DC power cord into the jack on the opposite face of the off-line
charger.
4. Plug the DC power cord into a vehicle auxiliary 12 VDC or cigarette
lighter socket.
5. The LED on the upper face of the off line charger indicates the charge
state of the battery pack. Red indicates the battery is being charged.
Green indicates the battery is fully charged.
6. Charging a fully discharged battery pack will take approximately 6
hours.
7. It is normal for a fully charged battery pack to indicate it is charging (red
light) when first plugged in. The LED will turn green within a few minutes
to indicate the battery is fully charged.
8. When the battery pack is fully charged, remove the DC power cord, first
from the vehicle auxiliary 12 VDC or cigarette lighter socket, then from
the off-line charger.
9. Remove the battery pack connector from the socket on the off-line
charger.
10. Replace the battery pack in the 2020ppbPRO as outlined in Battery
Charging on page 39.
You can keep the battery pack fully charged indefinitely, without overcharging it, by
leaving it connected to the off line charger while the charger is operating.