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UL 9540A is a test method that a battery manufacturer can use to demonstrate the safety of its solutions. To complete the test, a testing agency will force the lithium-ion battery to catch on fire and then monitor the fire. The agency will evaluate whether the fire’s flames move from one cabinet to another. To successfully complete the test, flames must be limited to the originating cabinet, and the fire must be able to be fully extinguished with water.
A successful UL 9540A report demonstrates that solutions have completed a critical fire test. Battery manufacturers can present the data in the report as evidence of the fire safety of their solutions.
BESS solutions that complete the UL 9540A test method have demonstrated that they have a lower fire propagation risk. This makes them suitable for use in all environments, but especially those that might be densely populated or mission-critical, such as a high-rise office building or a hospital.
Potential to Waive Spacing and Capacity Requirements
International Fire Code (IFC) 2018 (code), National Fire Protection Association (NFPA) 1 2018, and NFPA 855 (standards) all require that a BESS be spaced three feet apart if a group or array is greater than 50 kWh. That translates to greater space constraints as your equipment will take up more space in your data center, potentially increasing your building and operational costs, while decreasing your capacity. Space and capacity requirements may be waived by an AHJ based on the findings of a UL 9540A report.This will allow you to purchase and place equipment for maximum energy capacity and efficiency in your data center or hosting facility.
Vertiv offers two solutions that have completed the UL 9540A test method:
Contact our sales or support teams for more information about our power distribution products.
Vertiv™ HPL Lithium-Ion Battery Energy Storage System
Designed by data center experts for data center users, the Vertiv™ HPL battery cabinet brings you cutting edge lithium-ion battery technology to provide compelling savings on total cost of ownership, with longer battery life, lower maintenance needs, easier installation and services, safe operations and transparent information. Equipped with proven lithium-ion nickel-manganese-cobalt (NMC) battery modules that are widely used in automotive industry, the Vertiv™ HPL delivers safe, reliable and efficient energy to your critical operations whenever called upon.
Batteries are portable sources of power. They provide the ability to power different electrical components on the go, such as phones or laptops. For electronic cigarettes there are a large selection of batteries - and it's important to select the ones that fit your device and your needs. Batteries operate by exploiting certain chemical properties of different materials. Batteries have two terminals - the positive (cathode) and negative (anode). These are separated by an electrolyte (a material that allows the flow of ions) so that when the battery is placed into a circuit, current can flow through the battery and be used as power.
In order to understand the following section, you must be sure which end of your battery is which.
These are examples of the positive (+) end of two different batteries, the one on the left having a button top, and the one on the right having a flat top. Some devices require that a specific form of battery is used so it is important to understand which goes into your device. Neither tops affect the performance of the battery.
These are examples of the negative (-) end of two different batteries. The example on the left has a slightly recessed bottom (the wrapper covers the bottom) and the example on the right has a slightly protruding wrapper (there is a raised platform on the battery). Neither end affects the performance of the battery.
There are many different kinds of batteries used for electronics. For electronic cigarettes, they are primarily lithium ion batteries - batteries composed of lithium and a complimentary material (the cathode).
Batteries come in various sizes and shapes. There is a standard naming convention for referring to the chemistry, width, and length of a battery.
Typically a battery name will be in the format of three letters which refer to the chemistry, and then five numbers that refer to the size. The format for naming batteries are CCCDDLLT. CCC refers to the composition, DD refers to the diameter, LL refers to length, and T refers to type (shape). Let's take a look at the following example:
I - This is a Lithium Ion battery.
M - This refers to the other constituents (the cathodes) of the battery, in this case the M means Manganese Oxide. Other common examples are C for cobalt, F for iron phosphate, and N for Nickel/Manganese oxide.
18 - Refers to the diameter of the battery in millimeters. Common numbers are 18 mm and 26 mm, with smaller batteries used for niche purposes such as 14 mm and 16 mm.
0 - Refers to the shape once again, in this case the 0 means the battery is round. Batteries each have different capabilities based on their composition. There are several different specifications related to batteries that are important to us as electronic cigarette users.
Batteries start at their full output voltage when fresh off a charger and decrease in voltage as they are drained. IMR (Lithium Ion Manganese Oxide) batteries have a nominal voltage of 3.7 volts. This refers to the average voltage that a battery will output when taken from full charge to it's lowest charge. The highest voltage that most IMR batteries can be charged up to is 4.2 volts, and the lowest they can typically be discharged (without overstressing them, or pushing them down beyond the point of still holding a charge) is 3.0 volts. So IMR batteries when fully charged discharge 4.2 volts when put in a circuit without a regulator (mechanical mod), and as they are used discharge lower rates.
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