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Battery testing

Truths and False regarding AGM Battery

Truths and False regarding AGM Battery Have you detected a lot of deep cycle battery square measure getting into the trunks and underneath the seats of some vehicles? Likelihood is that, if the deep cycle rv battery isn’t underneath the hood, it’s an absorbent glass-mat (AGM) battery or gel battery for solar. AGM battery eliminates acid spilling in an accident as a result of it is sealed. They will be put in at odd angles. These AGM batteries pack a great deal of power for his or her size and weight, which permits makers to shave off a number of pounds from the vehicle. That’s a giant reason why they’re being found a lot of and a lot of on late-model vehicles. Also, these deep cycle rv batteries have a bigger reserve capability to support stop/start systems and key-off functions. Truths and False regarding AGM Battery You can use your regular charger on AGM or gel batteries. FALSE. These batteries wish to be charged slow and low because of variations in internal resistance. Many AGM battery chargers have microprocessors that collect info from the battery and change the present and voltage consequently. Some have completely different settings for charging flooded lead acid battery or AGM batteries. Overcharging will kill these batteries. Also, alternators don’t seem to be chargers. Don’t think about a generator to try to to the work of a charger. If battery is discharged to the purpose that it cannot begin the vehicle, use a charger as before long as doable to form certain the battery gets totally charged. AGM and gel battery are tested an equivalent means as typical batteries. FALSE. These styles of batteries have lower internal resistance than flooded batteries. Older capacitance battery testers/analyzers might not be ready to accurately scan these batteries. Most new battery analyzers have a special mode for AGM/gel-cell batteries. Old-school load

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Problems with lithium ion batteries

Problems with lithium ion batteries

Problems with lithium ion batteries Overview: As electronics become more portable and lightweight, they need batteries that can provide long battery life before being recharged. Lithium-ion batteries are increasingly common in electronics such as smart phones, laptops, and tablets because they can last for up to two to five years. However, the problems with lithium ion batteries can cause lithium battery packs to fail. The type of lithium ion battery failure will depend on the structure of the battery pack, how it is charged, how it is used and disposed of, and environmental factors. So, this article will tell you common lithium ion battery issues, and how to solve it.  The battery short circuit problem One of the major problems with lithium ion batteries we often hear about in the news is lithium-ion battery packs catching fire in smartphones, laptops, or other devices. The manufacturer would then have to issue a massive recall of the battery packs. In these rare cases, the failure is caused by metal particles coming into contact with components inside the battery. The contact causes a short circuit. While a minor short circuit usually only causes a lithium battery to self-discharge without any major explosion or combustion, a severe short circuit can lead to more serious negative results. They occur when metal particles gather in a particular place. A lot of current flows between the negative plate and the positive plate because it creates heat. As the heat increases, it begins to erode the insulation; This process is called thermal runaway. The presence of metal particles is often a problem in manufacturing complex components that produce large amounts of metal dust. Having a quality control process and reducing the amount of dust generated by using the clean room can prevent such failures. What happens when a battery

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KW vs kWh

Why do we measure electricity in kilowatt-hours kWh

Why do we measure electricity in kilowatt-hours (kWh) In this article, we’ll explore everything we know about kilowatt hours, how we calculate them, and why we need to measure electricity in the first place. If you’ve looked closely at your electricity bill, you’ve probably noticed that your service provider measures your energy in kilowatt-hours (kWh). In fact, this unit of measurement is used by nearly all household appliances, devices, and gadgets. But what exactly are kilowatt hours and why do we use them so often? Why do we measure electricity in the first place If you give any thought to this question, you may find the answer quite obvious. We need a standard unit of measure to understand how one device’s consumption compares to another. We also need a way to measure how much energy we generate. For example, common sense tells us that a light bulb consumes far less energy than an air conditioner, but how much? How do we know we’ll have enough power to run both? That’s why there must be a consistent way of measuring electricity. What does a kilowatt hour measure In order to understand this, we must first understand watts. Watts tell you how much energy your device is using. In fact, you can find out how many watts a device uses by multiplying volts by amps. So it will tell you the rate of power flowing to the device. On the other hand, one kilowatt is one watt multiplied by 1,000. Like kilograms and kilometers, kilowatts are simply units that are better suited for larger measurements. So, now that we know about watts and kilowatts, what does a kilowatt-hour measure? Essentially, it tells us the total amount of energy used over time. For example, one kilowatt hour equals 1000 watts of electricity consumed

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Serial transfer mode

RS485 vs Modbus – What is the difference

RS485 vs Modbus – What is the difference Is the RS485 communication tutorial the same as the communication protocol RS485 is a serial data transmission standard widely used in industrial implementations. When implementing RS485 cable communication, the communication protocol is usually used. This distinguishes max485 from the industry standard protocol for serial communication connections, the RS232 protocol communicates via ANSI code character transmission. If you will be using equipment that uses the RS485 Arduino protocol, it is important to understand the communication protocol. If you’re a technician responsible for supporting RS485 devices, there are a few tips to make your job easier. We provide this short tutorial that demonstrates the difference between the communication protocol and the RS485 protocol. What is RS485 and RS232 RS485 and RS232 are only the physical protocol of communication (ie interface standard), RS485 is the differential transmission mode, and RS232 is the single-ended transmission mode, but the communication program does not have much difference. RS485is is an industry-standard protocol similar to serial communication connection, used to realize serial data communication. The two protocols use different electrical signals to achieve data transmission. One of the reasons for using the RS485 interface in industrial environments is its ability to serve multiple devices on the same bus. This eliminates the need for multiple available interfaces when querying multiple devices. This can be done by using a bus terminator, moving a switch, or screwing a small resistor on the terminal. Care must be taken to ensure the correct interface is used, as the RS485 and RS232 protocols are not fully compatible. You can build a gateway between an industry-standard serial communication connection and an RS485 interface, but typically you will see the RS485 protocol connected directly to an RS485 to USB, GSM, or Ethernet port. This lower-cost method does not require the

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Car battery leakage

Differences between AGM Battery and Lead Acid Battery

Difference between AGM Battery and Lead Acid Battery It’s most likely concerning 10 years since the primary Stop-Start vehicles became production vehicles. Consequently, the batteries for these vehicles are currently requiring dynamical. Motorists with these Start-Stop vehicles became terribly confused as regards to that battery to exchange their previous batteries. Confusion surrounds the two new technology automobile batteries that were originally fitted to those vehicles, which are the deep cycle AGM battery and therefore the EFB Batteries. However, I’ll try and justify the distinction and conjointly the right fitments for your car/van. Thanks to environmental problems then there are currently quite seventieth of recent cars that are equipped with an Associate in Nursing energy saving Start-Stop system. Automobile makers developed this method together with battery makers. So, the Start-Stop system allows the vehicle to change off the engine once the vehicle involves a halt! Say at traffic lights and get road junctions. Difference between AGM Battery and Lead Acid Battery How AGM battery VS Lead Acid Battery Work The AGM battery and therefore the commonplace lead acid battery is technically identical once it involves their base chemistry. They both use lead plates and an electrolyte mix of sulfuric acid and water and have a chemical reaction that produces hydrogen and oxygen as a byproduct. However, this can be once they begin to diverge. Here’s how: Flooded Lead Acid Battery The flooded lead acid battery (FLA battery) uses lead plates submerged in a liquid solution. The gases made throughout its chemical process are ventilated into the atmosphere, inflicting some water loss. Thanks to this, the solution levels would like regular renewal. AGM Battery The AGM battery uses AGM mats sandwiched between lead plates. It’s wherever the battery gets its name – Absorbent Glass Mat (AGM). The glass mat wicks the solution resolution, keeping it suspended in situ, therefore it’s not free-flowing. Because

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Why do lithium batteries need UN38.3

UN38.3 – Why do lithium batteries need UN38.3

UN38.3 – Why do lithium batteries need UN38.3? What does UN38.3 mean? UN38.3 is the prevailing United Nations standard that lithium batteries must meet to receive certification for safe transport. Lithium batteries un38 3 must undergo a rigorous series of tests performed by an approved independent testing laboratory to ensure they do not rupture, leak, disassemble, or catch fire. Why do we need UN38.3 DOT/UN38.3 Tests are performed on all lithium batteries being shipped. The test standards comply with the United Nations (UN) test manual and US Department of Transportation (DOT) regulations. DOT/UN38.3 is not only a requirement in the United States but has also been adopted as an international standard because lithium batteries may be transported across international waters and borders. What is the test object of UN38.3 The test object of UN38.3 is Lithium cells and Lithium batteries, which are mainly composed of negative electrode materials, electrolyte and positive electrode materials. The chemical activity of the cathode material graphite in the charging state is close to that of lithium metal, and the SEI film on the surface decomposes at high temperature. Why test lithium batteries Lithium batteries contain the metal lithium in their chemical composition. The metal has the extremely high energy density and low discharge rate that consumers have come to expect from their electronic devices.  Unfortunately, the metal is very unstable and reactive. When the temperature rises too fast during charging and exceeds the battery’s melting point, the chemical composition of lithium batteries goes into thermal runaway. This can cause lithium batteries to emit dangerous hot gases or build them up to the point where the battery pack can explode or catch fire. All lithium batteries must be equipped with a battery management system (BMS) in the battery pack to ensure thermal runaway without fail-safe features. BMS will equip the battery with electronic protection circuits and various other safety mechanisms to monitor the battery during charging and discharging. If a high surge is detected that may cause the un38 3battery pressure to exceed the safe limit, the protection circuit will perform various tasks, such as safely discharging gas at a controlled

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Lithium batteries dominate liveaboard sailing

Lithium marine batteries dominate liveaboard sailing

Liveaboards offer the freedom of motorhome or van life, along with the beautiful scenery and exhilarating excursions of sailing – and they’re becoming more popular every day. Like other full-time travelers, liveaboarders have to deal with maintaining various home systems on the go—including their power supply. Enter lithium marine batteries. This convenient and practical technology is fast becoming a world leader in liveaboard sailing. What defines a liveaboard Definition of liveaboard1: a person who lives on a boat. 2: a boat suitable for a person to live on. What is a liveaboard and who lives on it Just like it sounds, liveaboards are designed for people to live full-time. Think of it as an RV on the water or a mobile houseboat. Compared to more traditional sailboats, liveaboards tend to have more spacious cabins and improved or extended versions of power, water, and waste storage systems. While there are no solid statistics on who lives on a sailboat full-time, it’s safe to say that there are thousands of people practicing this lifestyle in the US alone. Back in 2000, there were an estimated 50,000-100,000 liveaboard residents in the United States. To be sure, these numbers have only increased since then, with huge advances in cell phones and other technologies and the growing popularity of remote work. The liveaboard lifestyle isn’t just for singles or young couples. Families, even with young children, are increasingly wading and transitioning to liveaboard life. What is a liveaboard dive boat A liveaboard is a scuba diving purposely-build boat or an adapted existing vessel that offers diving trips that usually last longer than one night. The average duration is 7 nights but you can find both shorter and longer trips. What are the power requirements of a liveaboard Similar to motorhomes or converted vans, liveaboards tend to have

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Clean lead acid battery

How do prolong the life of batteries

Lead-acid batteries are one of the foremost common chemistry energy storage devices and square measure utilized in a spread of applications, from cars to submarines and plenty of alternative applications in between. Our space of experience lies in industrial applications like self-propelled vehicle truck lead acid batteries and we specialize in a way to maximize the performance of the batteries to match and even reach the far side of the lifetime of the trucks themselves. In these applications, the typical secure period of a basic lead-acid battery is around 1,500 cycles. The life of batteries is entirely variable. It depends on how it’s managed, monitored, and maintained. What is the life of Batteries Batteries gradually deteriorate until they can no longer provide enough power to start an engine. This wear time could take three to five years and a vehicle’s usage pattern is one factor contributing to the rate at which a battery will age. How to increase the life of Batteries Don’t let your battery fully drain. Letting a battery discharge below two-hundredth for long periods of your time will cause sulfation to occur. If sulfation starts to accumulate, it’ll block the lepton flow, inflicting a delay and additionally prolonging the charging time, drastically reducing the productivity of the battery and its period. To prevent A battery from fully exhausting, it’s crucial to follow associate correct maintenance schedule associated monitor battery charge levels closely ne’er rental it discharges below two-hundredth for an extended amount of your time. Don’t overcharge the battery. Charging an accumulator at associated excessive voltage can scale back its water levels and increase the temperature of the battery. As water levels decrease and temperatures rise, severe harm will occur to the battery, negatively touching its productivity and longevity. In addition, the frequency of charging can have an effect on a battery’s period as each

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Why do medical equipment use lithium battery UPS

Why do medical equipment use lithium ion UPS

As medical equipment has higher and higher requirements for power supply systems, various sensitive electronic components in the equipment require a continuous and stable power supply, so it is necessary to use lithium UPS power supply. lithium ion UPS  power supply can prevent the impact of data loss or sudden stop of work caused by a sudden power failure on the equipment. We all know that in the hospital, once the medical special equipment is powered off, even for a few seconds, the equipment loss and economic loss are immeasurable, so it is in line with the times that the UPS power supply is produced and widely used! UPS is a power protection device with an energy storage device, inverter as the main component, and stable frequency output. It is mainly composed of the rectifier, battery, inverter, and static switch. Medical equipment is an important tool, the doctor makes a diagnosis and gives the treatment to the patient in the hospital developing occupies a very important position. In order to guarantee a normal branch of medical equipment, UPS power supply needs to have stable and reliable. The stand or fall of power supply directly affects the use of medical equipment. With the rapid development of medical technology, medical equipment is constantly being updated, and some high-precision and cutting-edge equipment are increasingly used in clinical practice. And these advanced equipment has higher and higher requirements on the power supply system, and various sensitive electronic components in the equipment need a continuous and stable power supply. In particular, some imported equipment is designed in accordance with the environmental indicators of the international standard power grid. This equipment can work normally within the scope of the standard power grid, with few failures and long service life. If it is suddenly interrupted, it will seriously affect the safe operation of

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