Energizer Holdings acquires the Nu Finish Brands. 2018 Energizer Holdings completes the acquisition of Rayovac, VARTA, Armor All, STP, and A/C Pro from Spectrum Brands. 2019 Energizer introducers 3-in-1 Child Shield ™ safety technology for lithium coin cell batteries. 2024 The post Year 2024 appeared first on Energizer Holdings .