Replacement battery for 1519/01. Specifications: 700mAh, 3.6V, Ni-MH. Compatible with: 1519/01, 1519 U, 9497320. Replaces: Busch-Jaeger 2TKA00004530, Busch-Jaeger 2TKA00004531. Busch-Jaeger replacement battery designed for Emergency Lighting devices. Fits like the original manufacturer part.