"FLUX Power provides products to make energy storage and use much easier for many application. Here are some interesting videos displaying our technology." Their product line includes LiFePO4 batteries, battery management, and charging systems.
Rather than selling LiFePO4 cells they show a prepackaged box that is "12 volts", either 160ah or 200ah, and weighs 53 lbs. The box includes a BMS which is CAN-BUS enabled. By comparison SLA batteries weighing 50 lbs might carry 80 ah of capacity.