Table 7
Preset Float Voltage Settings
Battery Type
Preset Float Voltage
Freedom XC 1000
Flooded
13.5
Gel
13.8
AGM
13.4
Custom Float
13.5 (default),
changeable between 12.0 to 18.0
NOTE:
The battery voltage can increase above the float voltage when
using an external charging device such as PV arrays, wind turbines, and
micro-hydro generators. Be sure to include appropriate charge
management equipment with all external DC sources.
56
Freedom XC Owner’s Guide
Operating in Grid Mode
Equalize Charging
Many battery manufacturers recommend periodic equalize charging
to counter cell charge imbalance and capacity-robbing electrolyte
stratification. Equalizing helps to improve battery performance and
lifespan by encouraging more of the battery material to become
active.
Battery equalization is a controlled overcharging method that mixes
up stratified electrolyte and reactivates unused areas of the plate
material. Periodic equalizing can help to regularly restore batteries to
a full and healthy state of charge.
Consult the battery manufacturer's recommendation for equalize
charging settings. Sealed batteries should
never
be equalized.
Consult the battery manufacturer for optimal charging procedures
when using sealed batteries.
When Equalization is enabled, the battery is charged from bulk to
absorption, and then to the equalize phase. The Freedom XC will
transition from the absorption phase to equalize at an equalize
current set to 10 amps.
After absorption, this constant current charge will continue until the
voltage has increased to 16 volts DC.
Equalization duration is fixed at one hour.
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