BATTERY MODULE, BATTERY PACK, APPARATUS, AND METHOD AND DEVICE FOR MANUFACTURING BATTERY MODULE

The present application discloses a battery module, a battery pack, an apparatus, and a method and device for manufacturing a battery module. The battery module includes n first-type battery cells and m second-type battery cells, n≥1, m≥1, and the n first-type battery cells and them second-type battery cells are arranged and satisfy: VED>VED, ΔF>ΔF, and (ΔF×n+ΔF×m)/(n+m)≤0.8×ΔF, where VED, VED, ΔFand ΔFare respectively defined in the description.