Jargon Buster
Welcome to our Jargon Buster, a simple, no-nonsense guide to help you understand the terms and phrases you might come across when using our site. Whether you're a healthcare provider, workplace safety officer, a concerned parent, or simply a first-time, buyer seeking to make an informed purchase, this glossary is here to take the confusion out of technical talk.
What are Alkaline Batteries?
Alkaline batteries use an alkaline electrolyte instead of the normal acidic ammonium chloride or zinc chloride electrolytes usually found in zinc-carbon batteries. They generally have a higher energy density and longer shelf life.
What are the Different Alarm Grades (BS 5839 Part 6)?
Description of different alarm types
| Power Type | BS 5839-6: 2013 Grade | BS 5839-6: 2019 Grade |
|---|---|---|
| Battery Operated (Alkaline) | Grade F | Grade F2 |
| Battery Operated (Lithium) | Grade F (may be accepted as a replacement to grade D) | Grade F1 and F2 |
| Mains Powered (Alkaline Back-up) | Grade D, E and F | Grade D2, F1 and F2 |
| Mains Powered (Lithium Back-up) | Grade D, E and F | Grade D1, D2, F1 and F2 |