Replacement battery for Dualie. Specifications: 2200mAh, 3.7V, Li-ion. Compatible with: Dualie, Inova UR611, Inova T4 (Old Style), Inova T4 Lights (Old Style). Replaces: Streamlight 68792, Inova FLB-LIN-7, Inova UR611. Streamlight replacement battery designed for Flashlight devices. Manufactured to exact OEM specifications.