Intermec Janus 2020 Quick Reference Manual page 9

Charging a Battery Pack
3. The charger begins charging the battery packs. Each battery slot works
4. When a battery pack in a slot has been fully charged, the Charge LED
If you lose power to the battery charger, all battery packs in the charger begin
charging or maintain their full charge when the power is returned.
Note: The optimum battery temperature to begin charging battery packs is 68°F
(20°C). Battery packs charged at 68°F (20°C) have a higher charge capacity and hold
more charging cycles than battery packs charged at a higher temperature.
JANUS 2020 Battery Charger Quick Reference Guide
Battery Pack
Power Supply
independently to completely charge its own battery pack within 2.5 hours.
flashes and the Ready LED is lit to indicate the charger has finished
charging the battery pack. You can remove the battery pack from the slot.
If you leave the battery pack in the slot, the charge current to the battery
pack is reduced to maintain the full charge, but not overcharge the battery
pack.
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