System and method for applying pulsation energy to online battery backup systems

A battery pulsation system for an online battery backup system having a plurality of battery cells, wherein each of the cells includes a pair of positive and negative terminals, the pulsation system comprising:

• a pulse generation circuit operatively connected to a plurality of switch devices;
• a voltage sampling circuit;
• and
• a controller operatively connected to said pulse generation circuit, said plurality of switch devices, and said voltage sampling circuit;
• wherein said plurality of switch devices is configured so that a circuit can be formed selectively by said controller between said pulse generation circuit and across any one of said pairs of terminals within said plurality of battery cells and not remaining ones of said pairs of terminals;
• and
• said controller being programmed to sample said voltage sampling circuit to monitor a float voltage drop across said terminals of at least two of said battery cells within said plurality of battery cells;
• select at least one of said at least two of said battery cells, but not all of said monitored battery cells, said at least one of said at least two of said battery cells having a float voltage drop greater than a float voltage drop of all remaining monitored battery cells;
• and actuate said pulse generation circuit to supply pulsation energy to said selected at least one of said at least two of said battery cells, but not all of said monitored battery cells, sufficient to effect reconditioning to said selected at least one of said at least two of said battery cells.

A battery pulsation system for an online battery backup system having a plurality of battery units, each battery unit including a plurality of interconnected cells, each of the cells having a pair of positive and negative terminals, the pulsation system comprising:

• at least one pulse generation circuit and at least one voltage sampling circuit, the circuits each being selectively connectable to the cells of one of the plurality of battery units across the pair of positive and negative terminals of the cells;
• and
• a controller operatively connected to said at least one pulse generation circuit and said at least one voltage sampling circuit;
• said controller being programmed to sample said at least one voltage sampling circuit, obtain float voltage drops across each of said pairs of positive and negative terminals of each of said plurality of interconnected cells of a selected one of said battery units, select one of said interconnected cells for pulsation, but exclude from said selection end ones of said interconnected cells of said selected one of said battery units, and operate said at least one pulse generation circuit to apply pulsation energy across said selected one of said pair of positive and negative terminals of said selected one of said plurality of interconnected cells.