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How Do I Know if My Exit Sign Battery Is Bad?
How Do I Know if My Exit Sign Battery Is Bad? Jun. 01, 2024

​Most emergency lights or exit signs have a small "push to test" button somewhere on the casing. You can push and hold this button for thirty seconds to test the bulbs and battery. This works ok if you have a small number of devices that can be easily reached.

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When Should a Battery Pack for an Emergency Lighting Fixture Be Replaced?
When Should a Battery Pack for an Emergency Lighting Fixture Be Replaced? May. 21, 2024

​Central to the operation of these fixtures is the emergency battery pack, which stores the energy needed to power the lights when the primary power source fails. Knowing when to replace these battery packs is crucial to maintaining the reliability of emergency lighting systems.

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What Types of Battery Are Used in Emergency Lighting?
What Types of Battery Are Used in Emergency Lighting? May. 16, 2024

​Lithium: There are many types of lithium battery and they are becoming more widely used for emergency lighting. They have many advantages over lead acid, NiCd and NiMH so their use is increasing rapidly.

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Replacement of Batteries for Self-Contained Emergency Lighting
Replacement of Batteries for Self-Contained Emergency Lighting Apr. 10, 2024

​Replacing the battery becomes necessary when it can no longer meet its rated duration, ensuring ongoing system compliance. At this juncture, a decision must be made: replace just the battery or the entire emergency luminaire.

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What Is the Difference Between NiCad and NiMH Battery?
What Is the Difference Between NiCad and NiMH Battery? Mar. 20, 2024

​Nickel-metal hydride (NIMH) batteries have a higher capacity than nickel-cadmium (NICAD) batteries, which means that they can generally power your device for longer. They also don't suffer from the same memory effect, so they won't "forget" the ability to achieve a full charge over time.

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Nickel Cadmium (NiCd) vs. LiFePO4 (LFP) — Which Battery Is Better?
Nickel Cadmium (NiCd) vs. LiFePO4 (LFP) — Which Battery Is Better? Mar. 15, 2024

​LiFePO4 batteries have almost twice the energy density than Ni-Cd batteries. This is one of the largest most favorable characteristics of LiFePO4 batteries as compared to Ni-Cd batteries.

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Upgrading from Ni-Cad to Ni-MH Batteries
Upgrading from Ni-Cad to Ni-MH Batteries Mar. 02, 2024

​​We are often asked if it is safe to replace the original Ni-Cd batteries (also labeled Ni-Cad or NiCd) with a newer higher capacity Ni-MH (also labeled NiMH) type as an upgrade.

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