Umgomo wokusebenza wamabhethri ezithuthuthu ubandakanya ikakhulukazi ukuguqulwa kwamandla amakhemikhali namandla kagesi.Umsebenzi oyinhloko webhethri likagesi, owaziwa nangokuthi ibhethri, ukuguqula amandla amakhemikhali abe amandla kagesi.Ibhethri ivamise ukuqukatha amapuleti avumayo noma anegethivu, i-electrolyte, nesihlukanisi.Lapho isithuthuthu singakaqalwa, ugesi ogcinwe ebhethrini usetshenziselwa ukunika amandla izinto ezihlukahlukene zikagesi esithuthuthwini.Ngemuva kokuthi injini iqale, i-alternating current ekhiqizwa i-magneto ilungiswa yi-rectifier ukuze ibe yamanje eqondile, eshaja ibhethri futhi iqhubeke nokunikeza amandla esithuthuthu.ishumi nambili
Izinto ezisebenzayo kumapuleti alungile noma angalungile ngaphakathi kwebhethri, njengomthofu kanye ne-lead dioxide kumabhethri e-lead-acid, nezinhlanganisela ze-lithium kumabhethri e-lithium, zibhekana nokusabela kwamakhemikhali phakathi nenqubo yokushaja nokukhipha.Phakathi nenqubo yokukhipha, ukuhola kwensimbi kusebenza njenge-electrode engalungile ukuze ibhekane nokusabela kwe-oxidation, ikhiqize i-lead sulfate;I-lead dioxide isebenza njenge-electrode enhle ukuze ibhekane nokusabela kokunciphisa, ikhiqize i-lead sulfate.Ngesikhathi sokushaja, lawa ma-lead sulfate ayabola futhi abuyele esimweni sawo sangaphambi kokuphuma.amashumi amabili nantathu
Amabhethri e-lead acid namabhethri e-lithium ayizinhlobo ezimbili ezijwayelekile zamabhethri ezithuthuthu.Amabhethri e-lead acid akhiqiza amandla amanje ngokusabela kokunciphisa i-oxidation ye-lead sulfate kanye ne-metallic lead ku-dilute sulfuric acid electrolyte, kuyilapho amabhethri e-lithium esebenzisa izixazululo ze-electrolyte ezingenawo amanzi, ezinesisindo esilula, isikhathi eside sokuphila, kanye nezimo ezingcono zokushisa.
Kafushane, isimiso sokusebenza samabhethri ezithuthuthu sibandakanya ukuguqulwa kwamandla ekhemikhali (ngokusabela kwamakhemikhali) abe emandleni kagesi, kanye nokusetshenziswa nokujikeleza kwamandla kagesi (ngamanje) ezithuthuthuni.