NiCd D 5 Cell 6.0V Side by Side (Plate) Emergency Lighting Battery – EL&C
Yuasa 3DH4-0L4 3 Cell Emergency Light Battery Pack 3.6V 4Ah D Size - Inline | The Safety Centre, UK
Emergency Lighting Battery Type 1 3/HTDS with Solder Tags (3 Cell Stick)
Emergency Lighting Batteries & Conversion Kits
E2Lighting LED Downlight 6 Inch | 16W Dimmable w/ 90 Min Emergency Battery Backup | Ultra-Slim LED Recessed Light | IC Rated and Energy Star LED Roof : Amazon.co.uk: Lighting
LED Emergency Battery Backup | LED Lighting Battery Pack Kit