Xantrex Technology Solar 400 - Manual (Page 28)

Operation
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Charging with the AC Charger
Using the AC Charger is the simplest method for recharging
the battery. While charging from an AC source, the Charging
Status LED indicator light on the Control Panel will flash
intermittently. The indicator light will stay on when the
battery has reached capacity.
Charging when the battery is fully discharged takes around
16 to 20 hours. If the wall outlet voltage is less than 120 Vac,
it may take more than 20 hours to fully recharge the
Powerpack Solar 400.
Powerpack Solar 400 AC Charging Feature
The Powerpack Solar 400 AC charging port has a regulated
internal switch that monitors charging to prevent the battery
from being overcharged. Once the battery reaches 100%
charge level, the switch disconnects the charging source from
the unit. The unit goes into a maintenance charge mode and
allows the unit to remain connected to the AC Charging
source until it’s needed to power loads.
Note : After taking the unit out of the box and before using it for
the first time, charge it for 48 hours to maximize battery life.
Important: Whenever possible, store the Powerpack Solar 400
with AC power supplied to the unit.
When storing without AC power available, charge it once every
month or at least once every three months.
Failure to do so may damage the battery, render the unit
inoperable, and void the product warranty.