Emmerich emergency lights cell stick battery 3 6v 2500mah emmerich 36c2500s p the emmerich 36c2500s is an emergency lights battery rated at 3 6v 2500mah this nickel cadmium nicd battery has a 3x in line battery configuration and is ideal for use in emergency light fittings the battery is universal and suitable for use in most brands of emergency lighting p emmerich 36c2500s emergency lights battery 3 6v 2500mah