The e-Thermal Bank is an innovative energy solution that utilizes electricity for a high-density thermochemical system, generating heat and cooling through reversible chemisorption. It offers versatile storage options and can be conveniently charged using existing EV battery infrastructure. By offloading thermal management tasks, it extends the primary battery pack's lifespan, enhances EV driving range, provides efficient cabin heating and cooling, and offers a cost-effective and environmentally friendly alternative to conventional HVAC systems.