{"schemaVersion":1,"slug":"passive-cell-balancer","name":"Passive battery cell balancer","kind":"symbol","abbreviation":"BAL R","aliases":["Passive battery cell balancer","Passive battery cell balancer functional block","Passive battery cell balancer schematic reference"],"category":"microgrid-systems","drawingTypes":["Schematic"],"referenceFamilies":["Manufacturer"],"summary":"A passive balancer removes some energy from selected cells through a dissipative path.","description":["A passive balancer removes some energy from selected cells through a dissipative path.","A balancing circuit can use a resistor to reduce the charge of a selected cell relative to others.","Draw the balancing branch beside the cell that it can discharge. Passive balancing deliberately turns some stored energy into heat to reduce a selected cell’s charge relative to others. A conceptual diagram should therefore show a dissipative branch, rather than arrows moving energy into a neighbouring cell. This is original functional artwork, not a certified standard graphic or device pinout."],"readingNotes":["Identify the cells with balancing branches.","Reference balancing control and thermal requirements.","Keep balancing current separate from the pack load path.","Passive balancing dissipates energy; it does not transfer that energy to another cell."],"drawingChecklist":["Identify the cells with balancing branches.","Reference balancing control and thermal requirements.","Keep balancing current separate from the pack load path."],"distinction":"Passive balancing dissipates energy; it does not transfer that energy to another cell.","facts":[{"label":"Representation type","value":"Original functional block; not a certified IEC or IEEE graphic"},{"label":"Concept input","value":"Selected higher-charge cell"},{"label":"Concept output","value":"Energy dissipated as heat"}],"references":[{"sourceId":"expansion-20261027-balance","relevance":"Battery monitors and balancers: public technical context for the named function. Product and compliance details remain with the publisher."}],"related":["battery-cabinet","battery-cell-voltage-monitor","active-cell-balancer","battery-cell-temperature-monitor"],"artwork":"expanded-passive-cell-balancer","publishedOn":"2026-10-27","updatedOn":"2026-10-27","provenance":"independent-public-research","plainEnglish":{"title":"What does Passive battery cell balancer mean?","introduction":"A passive balancer removes some energy from selected cells through a dissipative path.","example":"A balancing circuit can use a resistor to reduce the charge of a selected cell relative to others.","drawings":"Draw the balancing branch beside the cell that it can discharge. Passive balancing deliberately turns some stored energy into heat to reduce a selected cell’s charge relative to others. A conceptual diagram should therefore show a dissipative branch, rather than arrows moving energy into a neighbouring cell.","terms":[{"name":"Bleed path","meaning":"A controlled branch that removes charge from a cell."},{"name":"Dissipation","meaning":"Conversion of electrical energy into heat."}],"diagram":"flow","caption":"Original functional explanation. Arrows show information or energy roles; two-headed arrows identify two-way interfaces. This is not a pinout, certified standards graphic or complete circuit.","sources":[{"label":"Battery monitors and balancers","url":"https://www.ti.com/product-category/battery-management-ics/battery-monitors-balancers/overview.html"}],"profileId":"researched-functional-reference","checklist":["Identify the cells with balancing branches.","Reference balancing control and thermal requirements.","Keep balancing current separate from the pack load path."],"questions":[{"question":"Where does the removed energy go?","answer":"It is dissipated, commonly in a resistive path. This differs from active balancing, which uses a conversion circuit to transfer energy between selected parts of the battery."}],"steps":["Selected higher-charge cell","Controlled bleed path","Energy dissipated as heat"],"bidirectional":false},"url":"https://eloragrid.ai/symbols/passive-cell-balancer","illustration":{"url":"https://eloragrid.ai/tools/electrical-library/illustrations/passive-cell-balancer.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"expansion-20261027-balance","title":"Battery monitors and balancers","publisher":"Texas Instruments","url":"https://www.ti.com/product-category/battery-management-ics/battery-monitors-balancers/overview.html","type":"manufacturer","scope":"Public functional documentation. Original explanatory text and educational block artwork; no publisher graphics or files reproduced.","checkedOn":"2026-10-27","reuse":"link-only","relevance":"Battery monitors and balancers: public technical context for the named function. Product and compliance details remain with the publisher."}]}