NOTE: This command has been reported as "buggy" - make sure you save your game before using it. This command should add 100 charges to all of your abilities, excluding class abilities.
The syntax for the GiveAbilityCharges command is as follows:
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Find below working examples of the GiveAbilityCharges command.
This is the only way that you can use the GiveAbilityCharges command - it should give you 100 charges for each non-class ability.