Outperforming cheaper cells in a pack means that the higher-priced cells offer better performance, efficiency, or longevity compared to more affordable alternatives. This could be due to advancements in technology, materials, or manufacturing processes. In this scenario, customers may be willing to pay a premium for the enhanced performance, durability, or reliability offered by the more expensive cells.

battery for Siren R3+, R2 and S5 alarms