Charging From A Dc Source - PerkinElmer Photovac 2020 Manual

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 you battery pack:
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4. Plug the AC adapter into an AC outlet. If you are using
the European AC adapter, ensure the correct plug is
installed on the line cord. If it is not correct for the wall
outlet in your area, then it must be replaced.
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 four 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 as the battery charges.
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 2020 as outlined in Battery
Charging on page 30.
1. Remove the battery pack as outlined in Battery
Charging on page 30.
2. Attach the connector from the battery pack to the
socket on the off line charger.
Connecting Accessories