Passive battery balancing is the simpler and more common method, especially in smaller or lower-cost systems. It works like this: When one cell in a pack reaches full charge before the others, a resistor shunts (diverts) current away from that cell and releases the excess energy as heat. [pdf]
Submit your inquiry about solar container systems, photovoltaic folding containers, mobile solar solutions, and containerized solar power. Our solar container experts will reply within 24 hours.