Periodically, charge the battery for 10 hours. This assures that the maximum charge
capacity of the battery is maintained. The charger enters the trickle charging cycle
after the current supplied to the batteries drops below .5 amps. Charge the batteries
for 10 hours for every eight charges to 100%.

Battery discharging

You discharge the battery by (1) disconnecting the battery system from the
AC power source and (2) powering the load.

When the battery has been discharged for a long period of time, it reaches a point
at which it needs to cut off power to its load. The battery system communicates to
the host computer and requests a safe shutdown or hibernation.

Thermal protection

The universal power supply is thermally protected and self-resetting. The battery
enclosure contains a cooling fan that is activated whenever the system is plugged
into an AC power source.

Depth of discharge protection

After the power to the load is cutoff, the internal circuitry goes into sleep mode to
prevent further battery discharging. The sleep mode is intended to prevent the
batteries from deep discharge.

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