Dual-Lite 0120705 Approved 4-volt 8Ah 4.2-Amp for 90-Minute New Pure Lead Battery New, valve regulated, pure lead (PL) battery 4V, 8Ah capacity, F2 Faston terminals Supplies 4.2A at 4V for 90 minutes to an end voltage of 3.5V, per UL 924, Emergency Lighting and Power Equipment Meets pressure release requirements per UL 1989, Standby Batteries Alternate battery part number: 12-705