Xantrex Technology FREEDOM SW 3000 - Manual (Page 69)

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Battery Charging Reference
This section describes the multistage charging algorithm (formula) of the
Freedom SW 3000. Battery Types
Freedom SW 3000 charges flooded (or wet) lead-acid, gel, AGM (absorbed
glass mat), and custom batteries. See “Batt Type” on page 16 for
information on selecting your battery type.
Flooded (or wet) batteries have removable battery caps for refilling with
distilled water and testing the electrolyte.
Gel batteries have the electrolyte in the form of a gel rather than a liquid
and do not require topping up. Gel batteries are sealed and the battery caps
are not removable.
AGM (Absorbed Glass Mat) batteries are similar to gel batteries except
that the electrolyte is absorbed into a fiberglass matting.
Custom Custom is configured by the dealer, factory, or service center for
battery types other than those listed above.
RISK OF BATTERY DAMAGE
Since the Freedom SW 3000 can only select one battery type setting for
all batteries connected to its bank, do not mix battery types. All connected
batteries should either be: Flooded (or wet) or Gel or AGM or Custom.
Failure to follow these instructions can damage the unit and/or
damage other equipment.