TY - RPRT TI - Discrete versus continuous: Enhancing battery optimization in capacity expansion models AU - Chen, Yunzhi [National Renewable Energy Laboratory (NREL), Golden, CO (United States)] AU - Cole, Wesley [National Renewable Energy Laboratory (NREL), Golden, CO (United States)] (ORCID:000000029194065X) AU - Sergi, Brian [National Renewable Energy Laboratory (NREL), Golden, CO (United States)] (ORCID:0000000234539878) PY - 2026 DO - 10.1016/j.est.2026.122637 UR - https://www.osti.gov/biblio/3365138 ID - 3365138 ER -