Emergency Light Batteries: Everything You Need to Know About

08 Dec, 2022

By hqt

emergency light Batteries

What is meant by emergency light Batteries?

A rechargeable battery used in emergency lights is known as an emergency light battery. Large housing complexes, manufacturing facilities, and commercial buildings need exit signs and emergency lighting. The tenants of buildings are left in the dark when a problem arises. Many facility managers fail to notice when lights stop working, even though they are almost always visible. Building maintenance is essential to keeping your exit or emergency lights ready for the worst scenarios, and conserving the backup battery packs is essential to that task. Fortunately, if you understand the basics of emergency batteries, such as emergency light batteries from JIEYO, performing them effectively is easy.

How are the batteries in the emergency light checked?

  • By checking the lights regularly, the batteries may be effectively maintained, and the illumination of evacuation zones is preserved. Each emergency lighting system is expected to undergo a monthly inspection.
  • The test should be long enough to ensure the luminaire functions properly while minimizing any harm to the system's parts, such as the lights and batteries.
  • Ensure that your lights don't turn off or dim by pressing and holding this button for around 30 seconds. You want a specialist to restore your light as soon as possible if it starts to fade or if any bulbs aren't functioning correctly. Every four years, the battery should be replaced, albeit this does happen sometimes.
  • Making ensuring your batteries are in excellent shape is crucial. According to the declaration, a building must have adequate illumination so people can exit and see the firefighting apparatus. Every emergency light has a test button on the housing.

What circumstances may result in an emergency light's batteries lasting less time than they should?

  • The battery in an emergency light typically lasts three to four years. The following elements might result in an early battery failure:
  • It's quite hot outside.
  • Keep the emergency lights in storage before installation for a long time after purchase.
  • Additional economic savings and aesthetic advantages come from installing emergency lights rather than standalone batteries or emergency lighting systems.
  • When producing LiFePO4 batteries, for example, it is necessary to keep emergency light batteries in a discharged state for a prolonged time at temperatures below 0°C.
emergency light Batteries

Features of SC2500mAh 3.6v 70 degrees C High-temperature battery pack for emergency light

  • Power: 3.6V.
  • Dimensions: 2.5Ah.
  • 2.5A maximum charging current.
  • 2A maximum discharge current.
  • Charge Temperature: -0 to 70 °C.
  • Discharging Range: -20 to 70 °C.
  • Size: around 23*25*132mm Weight: approximately 150g.
  • Five hundred cycles are in a cycle.
  • Warranty: 2 years.
  • Application: Security lighting, miner's lantern, and emergency light
  • Battery pack safety performance follows UL and IEC requirements.
  • FOB Shenzhen or HK are the shipping terms (C&F and DDP are available too).

How effectively do lights work in an emergency?

In the case of a mains power outage, emergency lighting must offer enough illumination along the escape route so that building occupants may do so safely. In an emergency, it illuminates the area so people may leave a building or specific location. It is a required step in most construction regulations to guarantee the security of human life. The need for emergency lights cannot be overstated. They provide first responders with direction and assist in ensuring that people may safely exit a building in an emergency. 

Types of emergency light batteries:

  • Battery NiCd:

 Rechargeable NiCd batteries are an option for power tools, floor sweepers, forklift trucks, and other battery-operated machinery. They have been upgraded to provide more capacity, a longer lifespan, and high cycle capability while using the same charging method as Nickel Metal Hydride (NiMH) batteries. Self-contained emergency lighting has traditionally utilized NiCd battery technology. Cadmium and nickel oxide hydroxide are used as electrodes in NiCd batteries. NiCd batteries harm the environment due to cadmium's toxicity and dangerous nature. 

Except for medical, military, and emergency installations, they are no longer permitted in most applications since NiMH batteries have mostly taken their place. There are no indications that the European Union (EU) would limit their usage in emergency lights, even though they are prohibited in such a wide range of applications. The main advantage of NiCd batteries is their excellent robustness; compared to NiMH batteries, they can sustain higher temperatures and are more resilient in severe environments. 

Characteristics of NiCd:

  • Extremely durable and suitable for high temperatures (up to 55 °C)
  • Cadmium content makes this battery type hazardous to the environment, and its design life is four years. Its dimensions are also more significant than those of other battery kinds. 

Battery NiMH:

Because NiMH batteries have a 30% greater energy density than NiCd batteries, smaller luminaire designs are possible. NiMH batteries require a different, microcontroller-controlled charging technique (such as multilayer or intermittent charge) to attain more excellent temperature ratings since they are less resistant to extreme environmental conditions than NiCd batteries. 

Characteristics of NiMH:

  • Suitable for operation at high temperatures (up to 55 °C)
  • 4-year design life at 55 °C
  • Eight years at 35 °C — Storage time: up to 12 months from the creation date — Greater energy density than NiCd and NiMH batteries — not harmful to the environment because it contains no heavy metals.

LiFePO4 battery:

The lithium ions in a lithium-ion battery (sometimes referred to as a Li-ion battery) migrate from the negative electrode to the positive electrode during discharge and back again during charging. One of the most powerful batteries on the market is the LiFePO4 battery. The lifepo4 battery has a longer lifespan and can endure more charge/discharge cycles than conventional rechargeable batteries, including lead-acid batteries. 


It's probably time to update the batteries if your emergency lights are not lasting as long or performing as effectively as they once did. In contrast to traditional batteries, it has advantages. Anyone can use it once it is made available. JIEYO emergency light batteries have a long lifespan and excellent power density. As the world changes, modern innovations are becoming part of our daily existence. By leveraging cutting-edge technology to enhance people's lives, we want to bring everything up to current. You may get one right now on our website.