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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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Emergency Light Batteries: Understanding Recharging and Maintenance
Emergency Light Batteries: Understanding Recharging and Maintenance Feb. 24, 2024

​Yes, all emergency lights and lighted emergency exit signs use a battery for powering the lamps. In order to insure continuous readiness and operation of the emergency light, these batteries are rechargeable. Circuitry within the emergency light both charges the battery and insures that it stays charged.

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Emergency Signs and Lights Rely on Different Battery
Emergency Signs and Lights Rely on Different Battery Feb. 20, 2024

​There are four main types of batteries used in emergency exit signage and lighting: Lead Calcium batteries, Ni-Cad (Nickel-Cadmium) batteries, Lithium Iron Phosphate batteries, and Nickel-Metal Hydride batteries.

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Do You Know The Advantages And Disadvantages Of Ni-Cd Battery?
Do You Know The Advantages And Disadvantages Of Ni-Cd Battery? Feb. 06, 2024

​A Nickel-cadmium or Ni-Cd Battery is a rechargeable battery which uses nickel oxide hydroxide and metallic cadmium as electrodes. The most of these batteries have the cell potential of about 1.2 volts. Because NiCd batteries are fairly cheap to produce, they're also relatively cheap to buy and are used for several diverse kinds of devices.

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​Emergency Lights - Should I Change the Battery or Change the Entire Fixture?
​Emergency Lights - Should I Change the Battery or Change the Entire Fixture? Jan. 11, 2024

​Batteries for emergency lighting must be regularly cleaned and tested to ensure they are still operational and the lighting is not dimmed.

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What Types of Battery Are Used in Emergency Lighting?
What Types of Battery Are Used in Emergency Lighting? Jan. 05, 2024

​Self-discharge rates vary among rechargeable batteries. For LFP (Lithium Iron Phosphate) batteries, the discharge rate is only 3-5% per month, whereas NiCd (Nickel Cadmium) batteries can lose up to 20% per month thereafter (depending on temperature).

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How to Choose Power Tool Batteries - Godson Tech
How to Choose Power Tool Batteries - Godson Tech Dec. 13, 2023

​Lithium-ion batteries (Li-Ion) are the newest technology in rechargeable batteries to be introduced to cordless power tools. They are definitely the best choice of the three types of batteries

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