Help & Advice
Emergency lighting battery advice without the guesswork.
Practical guides to help electricians, maintenance teams and facilities managers identify, replace and order the correct emergency lighting batteries with confidence.
Find My BatteryCommon things we help with
- Voltage and capacity checks
- NiCd vs NiMH replacements
- Connector identification
- Brand compatibility
- Old or unclear part numbers
Featured Guide
How to Identify an Emergency Lighting Battery
Learn how to check voltage, capacity, chemistry, cell configuration and connector type before ordering a replacement.
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Battery Basics
Understand what you are replacing.
Voltage & Capacity Explained
What 3.6V, 4.8V, Ah and mAh actually mean when replacing emergency lighting batteries.
NiCd vs NiMH Batteries
Understand the difference between common emergency lighting battery chemistries.
Connector Types
Why the connector matters and how to avoid ordering a battery that will not fit.
Replacement Guides
Brand-specific help.
Still not sure what battery you need?
Send us a photo of the battery, label or connector and we’ll help identify the correct replacement.
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