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Lipo Safety: A Safety Guide for Using Lithium Polymer Battery Chargers

Lipo Safety: A Safety Guide for Using Lithium Polymer Battery Chargers

When it comes to lithium cell technology, the lithium polymer (LiPo or Li-poly) and the lithium ion (Li-ion) are significantly different from the commonly-used NiMH and NiCd batteries. There are various aspects to consider before you use lithium cells.

One of the most being safety. While every type of cell should be treated with caution due to energy contained in the batteries, once they are fully charged it is important to know that lithium cells contain the maximum in energy density. These batteries have unique qualities and require extremely specialized safety considerations.

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Charging Lithium Polymer Batteries

The lithium cells have to be charged in a very different way than the NiMh and NiCad batteries. These batteries require specialized chargers that are designed in a specific way in order to charge lithium polymer cells. One of the recommended chargers would be the TAHMAZO T26 charger; this is the type of charger that can be used on all cell types and is able to charge up to 10 LiPo cells. This charger features 10 battery memories, which makes it far easier to utilize.

Typically any type of charger that is able to charge the lithium ion will be able to charge the lithium polymer, making sure that the batteries in question have the correct cell count. It is extremely important to note that a NiMh or NiCad-only battery charger is never used to charge the lithium cells because charging the cells is dangerous when using the lithium batteries.

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Manufacturers and experts all recommend extreme caution when charging these cell types.[1] One of the first steps in preparing the charger for lithium cells is to make sure the charger has been set to the right cell count or voltage. If this step is missed the battery could potentially burst into violent flames. To date there have been numerous fires that have been caused directly from lithium batteries. For this reason it is now a standard practice that anyone wishing to use lithium polymer batteries should be aware of how to charge the cells and the safety precautions involved.

Below are the guidelines for charging and using lithium polymer batteries:[2]

  • Only use the chargers that have been approved for use with lithium batteries. These chargers should be designed for use on Li-Ion and Li-Poly.
  • The correct cell-count must be set on the charger. If the user is not informed on how to perform this operation it is advisable to rather use a charger that you do know how to operate or not charge the batteries at all.
  • Make sure to balance charge your new lithium battery for the next couple of cycles. After that you can do it every 10th cycle. This is vital due to the risk of a pack that has become unbalanced, thus having the potential to explode. If each of the cells is showing a reading that they are not within at least 0.1 volt to one another, the user needs to charge each of the cells separately up to 4.2 volts, which means they will all be equal. If after the period of each discharge the lithium pack shows up unbalanced, one of the cells are more than likely faulty and the entire pack will need to be replaced. (Of course, some lithium packs are different and will require a different amount of volts for recharging.)
  • The batteries and the charger need to be placed onto surfaces that are safe before charging the batteries, which means that if they do catch on fire damages can be contained. Some of the suggestions include fireplaces, Pyrex dishes that are filled with sand or a vented fire safe.
  • The batteries should never be charged for more than an hour at a time. Exceeding this time significantly increases the chances of a fire.
  • If one of the cells happens to balloon while on charge, the cell should not be punctured while still hot. This will cause a short circuit resulting in overheating. After you have let the cell sit in a fire safe place for at least 2 hours. Discharge the cell/pack slowly by wiring a flashlight bulb of appropriate voltage (higher voltage is ok, lower voltage is no) up to your batteries connector type and attaching the bulb to the battery. Wait until the light is completely off, then throw the battery away. This is an important step to do so the cell is safe enough to throw away.
  • The batteries should only be charged in ventilated and open areas. (In the case of a battery rupturing or exploding they will emit dangerous material and fumes.)
  • When charging lithium batteries, keep a bucket of sand nearby. This is a cost effective way to extinguish fires. It is very cheap and absolutely necessary.

(Also make sure to check out this battery disposal guide for information regarding instructions and regulations about battery disposal.)

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Final Thoughts

When it comes to handling lithium polymer batteries with care it is important for any user to realize that these batteries can be extremely dangerous. It is very important to follow these safety tips and ensure that the right charger is used.

Featured photo credit: Hexcam via dronetraining.co.uk

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Reference

[1] Battery University: Lithium-ion Safety Concerns
[2] Sydney Radio Control Society: October 2006 Newsletter

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Elise Bauer

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Last Updated on March 30, 2020

10 Best Calendar Apps to Stay on Track in 2020

10 Best Calendar Apps to Stay on Track in 2020

The success of our day is largely dependent on the quality of our planning. Not to miss out anything in their to-dos, some people prefer to make a list of upcoming tasks in a notebook, while others have long started using digital technology solutions.

Calendar applications are some of the main tools that are worth using to organize our life and plan your time carefully.

Many people have switched to specific tools; however, there are still some who do not use calendars on a daily basis. They may find some applications uncomfortable to use, non-functional, or expensive.

In this article, we are going to check out the best calendars apps to help you stay organized.

1. Cal Calendar

    Cal Calendar has recently appeared on the market of mobile applications (Android, iOS). It is the brainchild of the development team of Any.do that features impressive functionality and well-thought-out design.

    The application comes with many great features, including support for Exchange and Google Calendar, widgets, voice recording, and many more.

    Cal Calendar has direct integration with Any.Do To-Do List, which gives you a unique tandem of two applications.

    Apart from its extended functionality, Cal Calendar is easy to use. The creation of events is very simple and fast.

    What is more, depending on the name of the event, the application automatically adds contacts and geolocation data to the entry description. You can even import your lists and entries from Any.do.

    Cal Calendar is a great option for any type of user. It is very convenient and doesn’t overcomplicate the mode of display.

    Another good thing is that this tool is available for free, so you can use it without spending a dime for the software.

    Available for iOS and Android

    2. Google Calendar

      Google Calendar is the official calendar for Android devices that has been tested out by many users around the globe. If you are right now trying to get away from it, consider changing your mind.

      Since this application is installed on most Android devices by default, many users think that there is nothing special in this program. They are wrong.

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      Google has been updating its calendar for quite a few years, and now it comes in Material Design with advanced event features, direct integration into other Google services (for example, supports reminders and Google Now), and comes with Exchange support.

      The program is super easy and will not cost a dime for you. It is a good thing, right?

      Available for iOS and Android

      3. Jorte Calendar

        Jorte Calendar is one of the most popular calendar applications in the Google Play store.

        The program features a wide range of configuration options, with many design alternatives. You can adjust display mode to your needs and view calendar entries sorted by month, week, or day (by hours). It is convenient for quickly picking the desired date, using task bars, and setting reminders.

        Apart from its ordinary information storing function, this application can be a special cloud service, Jorte Cloud, allowing you to synchronize calendars, schedules, and task lists on multiple devices. The application also supports data importing from Google Calendar.

        For those paying attention to the program design, there is also Jorte Store, where you can buy styles and icons to personalize the calendar. This feature makes Jorte is one of the brightest calendar applications.

        A basic version of the app is free of charge, so if you do not want to spend money on a calendar application, it is a good option.

        Available for iOS and Android

        4. Business Calendar

          Business Calendar is geared towards people who use their calendar for work purposes and business task planning. It offers different modes with wide configuration capabilities.

          The application gives a default view mode by months, and events can be marked in different colors. Display modes/ sorting can be adjusted to your needs (by month, day, year, or events).

          You can also set a multi-day viewing mode to see how things look for the next few days. Scrolling up and down moves you by month, and if you check a few days, they will be shown in a more detailed form.

          The day display mode offers hourly scheduling, and the schedule mode provides a detailed schedule for a single event.

          Business Calendar is a great tool for planning/ scheduling cases, tasks, and events. There is a support for recurring events, which can be set up in just a few clicks.

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          Having purchased software, you can use it to import and export other calendars, delete, copy, or move several events at the same time.

          Android Business Calendar application may seem somewhat chaotic, but it works fine and is easy to work with if you play with it for a while.

          A full version of the application is available for $4.99, but you can also find a free version for the app test drive.

          Available for Android

          5. Calendar

            Calendar is a relatively new app. It works as a web app and for both iOS and Android devices. It is an intelligent app that learns your contacts, schedule and tasks. It also helps you schedule and arrange meetings according to your available time slots.

            A good thing about Calendar is that it allows you to sync up with other calendars you use such as Apple Calendar and Google Calendar. And so you can manage all the calendars you have in one place.

            Calendar also gives you analytics of your meetings, giving you a clear picture on how you can improve your time management.

            Available for Desktop, and iOS

            6. aCalendar

              aCalendar opens our collection of top 10 calendar applications available on the market today. With its appealing design, easy navigation, and great functionality, it is one of the most popular calendar apps in our list.

              Some of extra functions include color schemes for each case type (48 colors to choose from), different types of demonstrations, different widgets, moon phases, and much more.

              Taking into account it functionality, aCalendar is a reliable calendar application that has an easy-to-navigate interface with three display options. Scrolling from side to side allows you to switch between the display modes of the month, week and day.

              When scrolling down and up, you are moving through the calendar at intervals in accordance with the selected display mode.

              Apart from its time planning feature, aCalendar synchronizes photos from contact lists or social networks to remind you about birthdays, anniversaries, or any other special dates.

              The program also supports data transfer through NFC and full-screen widgets, which eases your work with any data.

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              The program is available for free, but you can also get even more features if you buy the extended version of software for $4.99.

              Available for Android

              7. DigiCal Calendar

                DigiCal Calendar is very similar to Cal Calendar in the fact that the application focuses on design more than on its functionality. However, this doesn’t mean that the application doesn’t serve the purpose.

                With this calendar application, you can synchronize all your calendars and view them in different ways.

                Along with the basic functions, this program comes with support for Google Calendar, Outlook, and includes some unique and interesting features. You can match keywords to the image or set up a dark theme.

                The app can even show you the weather forecast for three days. There are many other features that deserve the attention of people who really like to use calendar applications.

                Available for Android

                8. SolCalendar

                  SolCalendar can be called a universal application. It claims to be an all-in-one digital solution having a basic calendar functionality combined with some other advanced features, such as weather forecast for a specific day.

                  The application supports Google Calendar, as well as tasks, widgets, lunar calendar and even Foursquare.

                  Those searching for a calendar application to cover just everything in its functionality, SolCalendar is a program to consider. There are a lot of interesting things in this application; the program does an excellent job working in “all-in-one” mode.

                  Test SolCalendar – the application is available for free. You can test it out without purchasing the service.

                  Available for Android

                  9. Today Calendar

                    Today Calendar is one of the most hip and edgy calendars in our list. The solution was one of the first ones that really embraced Material Design and remains one of the few that adhere to the neat style.

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                    The calendar application offers bold colors, simple controls, and great functionality. This is not as heavy an application as many others; it will not eat all the memory of your device.

                    If you are not searching for something complicated and over-functional, Today Calendar is what you need. You can always test the application before paying for it – the program is available for free.

                    Available for Android

                    10. Calendar Widget: Month

                      Sometimes people do not need a heap of calendar applications. They would prefer to have one efficient calendar widget.

                      Calendar Widget: Month perfectly fills this niche and meets all the needs of a modern user. It has some features of an ordinary calendar, but the real great thing about this software is that it has 80 or more themes in its library.

                      The design of the application is great; the themes are perfectly tuned. There are options for almost any theme of your smartphone. The only drawback is the fact that the widget memory is not too large, and you should be ready for it.

                      This simple calendar widget was created in the image and semblance of widgets from Yahoo. The widget window displays one calendar month with the ability to go to the previous and move to the next one.

                      If you need a simple and affordable calendar to plan your tasks and affairs for one month, this widget is ideal for you. Calendar Widget: Month is so simple that it does not even have Google Calendar support.

                      At the moment, it does not have the function of connecting any third-party calendars and services. Developers allow the possibility of introducing support for Google service as an addition to the widget, if users request to have this opportunity.

                      Available for Android

                      Our Verdict

                      Searching for the right application to manage your various calendars and plan your busy day can sometimes turn into a streak of obstacles.

                      Most of us need flexible applications that can be easily used to manage our tough schedule. The application should have all necessary time planning functions and be intuitive.

                      Stylish design and limitless compatibility also matter. It is not always easy to find such a program.

                      The above digital calendar solutions fall under the category “worth” of being used. They are modern, multifunctional, easy, and easy. Pick the one you like!

                      More Productivity Apps for Better Time Management

                      Featured photo credit: Unsplash via unsplash.com

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