Options:

Combiner-2: 2 Port Combiner Box (for 2 batteries in parallel) View the Specifications here:

Lithionics Battery® 2P Combiner Box

Combiner-3: 3 Port Combiner Box (for 3 batteries in parallel) View the Specifications here:

Lithionics Battery® 3P Combiner Box

Combiner-4: 4 Port Combiner Box (for 4 batteries in parallel) View the Specifications here:

Lithionics Battery® 4P Combiner Box

Combiner-6: 6 Port Combiner Box (for 6 batteries in parallel) View the Specifications here:

Lithionics Battery® 6P Combiner Box