Replacement battery for CMOS/BIOS. Specifications: 1200mAh, 3V, Lithium, Lithium Carbon Monofloride (BR). Compatible with: CMOS/BIOS. Replaces: 6135-01-399-8104, BR2/3AE2SP, BR2/3AE2SPN, FT-70, FX-600, FX-800 and 3 more. Indigo replacement battery designed for CMOS/BIOS devices. Provides reliable power for your device.