Replacement battery for ESC 90 Emergency Exit Light. Specifications: 1200mAh, 4.8V, Ni-MH. Compatible with: ESC 90 Emergency Exit Light, XWT9001/EA051, W120011. Replaces: Teknoware W120011, Teknoware XWT9001, Teknoware EA051, Teknoware 85073080.00. Teknoware replacement battery designed for Emergency Lighting devices. Perfect for professional or everyday use.