Replacement battery for DSP80-F4. Specifications: 3V, Alkaline. Compatible with: DSP80-F4, First Innov DSP-80, First Innov DSP80-S5 2LR20. Replaces: PRIMAPROTECT SBP25, PRIMAPROTECT 2-LR20, First Innov SBP25, First Innov 2-LR20. PRIMAPROTECT replacement battery designed for Security System devices. Built to deliver the same performance as the original.