Best Solar Powered Calculators

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Have you been looking for an excellent solar-powered calculator to design the solar array, calculate costs, outputs, size, and all things numbers? Or have you been stressed with a variety of options in the market?

With a wide variety of options available, you might not be able to easily zero down on the one that suits you the most.

Well, we have all been there and are here to help. Listed below are some of the top solar-powered calculators all over the internet in the USA.

You are bound to find something which will match your need. If not, we have a quick buying guide for you to understand the primary factors and then make a decision.

Read on for our expert reviews of the best solar powered calculators available. Check the latest prices to ensure you get a great deal!

Our Top Picks

5 Best Solar Powered Calculators

1. Helect Solar Desk Calculator

Are you an accountant or a professional? Well, either way, Helect Solar Desk Calculator with Standard function qualifies to be your best friend in times of need. (Read: intensive calculations).

It is a dual power calculator and does its job exceptionally efficiently. Here’s a quick look at the features that define this solar-powered calculator.

Features

Two Battery Power

One of the pressing qualities of the Helect Solar Powered Calculators is the dual battery ability. The solar tendency of charging works only in conditions where there is brightness.

The other one, the AA battery, makes the calculator even more convenient to use when there is no light.

You must ensure that the AA battery is inserted in the setup continuously and accurately for effective usage.

Long Term Service

The twin power attribute of this solar-powered calculator gives it a longer life as well as a lasting term service.

Design

The design of the Select Solar Desk Calculator is ergonomic, relaxing, and comfortable at the same time. The keys are bigger than usual, and the 12-digit display is also big enough to help you view the calculations quickly.

Moreover, you have the lease to choose the solar-powered calculator from about three colors, namely Black, Orange, or Blue.

Calculations

The Select Solar Desk Calculator works really well for all daily general math problems. You can find the profit margins, tax, and currency conversions.

It also has functions and command signs. Along with a critical rollover option too.

2. Casio SL-100L Calculator

If you’re one of those people who’s always on the go, it is safe to say that a portable and pocket-friendly calculator would be a dream come true for you. Well, the Casio Basic Folding compact Solar-powered calculator is bound to meet all your needs.

This calculator has many more fabulous features apart from its folding ability, and you have them all listed below.

Features

Display

The Casio SL-100L calculator boasts of a design and display that is readable to the user. The calculator keys are pretty large when looking at other similar-sized folding calculators.

Moreover, it has a large 8-digit display which is easily usable. You also get to see the results in an easy-to-understand display. Yay

Automatic Shutoff

A solar-powered calculator works based on solar power conversion into electric current. The best part of the Casio SL-100L Solar Powered calculator is the ability to automatically shut itself off once it is idle for 8 minutes.

Calculations

Calculations are probably the easiest in the case of this calculator. It has an independent memory and a coma marker just after every three digits. You also get a square root key and a percentage ability.

Concerning the performance offered by the calculator, not many can beat it. The calculations will most likely be accurate since you will easily press the keys made of rubber.

Build

The hinges of the Casio SL-100L Solar-powered calculator are pretty tight. This gives the calculator a sturdy feel. At the same time, it will give the user the leverage to completely open up the calculator along with laying it fall while you enter the numbers.

3. EastPin Solar Powered Calculator

This solar-powered calculator from EastPin is an ideal fit for desk uses and those seeking easy readability. With a series of excellent features, EastPin once again doesn’t disappoint its users.

Features

Dual Power Abilities

With the options to charge the calculator through solar power and a battery backup, you are open to using it even in low light conditions.

These calculators work with PV cells that convert the sun rays into electric current. On the other hand, you also get a 1.5v battery with AA included in the form of a battery backup.

You will also enjoy the ability of the solar-powered calculator to turn its power off automatically.

12 Digits Calculator

If you want a calculator for a more extensive set of calculations, then rest assured EastPin solar-powered calculator will work well.

It is extremely helpful for people in business, workers, teachers, students, or any other sect that would need to do advanced calculations.

Brand Value

As far as the brand value is considered, EastPin winds hands down. They have had a considerable reputation for building high-quality calculators for a very long time. You can definitely trust them.

Large Display

With this calculator, you get an extra-large LCD along with a tilted screen. This makes the screen reading process very easy and accurate.

Because of the liquid crystal display, you get easy-to-read numbers with the most outstanding viewing comfort. You will also get a scientific big button design aligned to the usual human habits and is pretty comfortable to touch.

Risk-Free Warranty

EastPin offers an incredible risk-free warranty with its product. You are allowed a one-year replacement and refund on buying the EastPin Solar-powered Calculator. Moreover, customer support is top-notch.

You can contact the team directly, and they will most definitely help you out with the issue.

4. Casio MS-80B Solar Calculator

One of the best-looking solar-powered calculators in the town is the Casio MS-80B Standard calculator. This is a no-regret buy with a silver metallic finish and an array of user-friendly features.

Here are some of the features of the Casio MS-80B Standard Function Solar-powered Calculator.

Features

Fantastic Keys

The best part of the Casio MS-80B solar calculator is its standard-sized and incredibly soft keys. This feature prevents you from pressing the wrong keys during lengthy calculations.

These abilities help the calculator produce the most error-free and precise results. On top of this, the keys are made of plastic. This means that it will create a sound when you press them.

Because of the sound, you will be aware that a particular key has been pressed. Thus, you will be able to avoid errors.

Calculations

You can complete all standard calculations with this solar-powered calculator. Other functions such as tax and currency conversion, profit margin- is plus or minus are all easily accessible.

Automatic Shut off

The Casio MS-80B solar calculator doesn’t have a particular button to turn on or off. So, you can expect the calculator to shut down itself when not in use. You also get a solar and battery run system, so the convenience is pretty high with this one!

Display

With a pretty sizeable 8-digit display, observing results from any angel should not be an issue. The display is curved at a 25-degree angle, which again makes it a pretty great fit as a desktop calculator.

The size is pretty portable, and you can easily carry it anywhere. The silver color is a huge hit too!

5. Sharp Electronics Solar Calculator

Calculators that are handy and go in your pocket or purse are the real stuff! Sharp Electronics 8-digit twin-powered calculator is one of them, and you are going to love it! You can use this calculator for your home and office, ever so easily.

Let’s go through some of its top features to keep an eye on.

Features

Twin Powered

The solar operation in the Sharp Electronics Solar calculator is twin powered. So, you will have the option to either charge them via solar energy or the one lithium metal battery in the system.

The calculator smoothly switches from solar to battery power when the light reduces. There is an automatic turn-off in this calculator; you will not find any OFF button per se.

Design

The Sharp electronics solar calculator has an extra-large, 8-digit LCD which shows all the calculations as clearly as possible. The keys are made of plastic, so you will feel them once you press them.

Cover

An exceptional feature of this calculator is the hinged protective cover. The calculator gives a tiny book feeling when this cover is folded. It is also pretty sturdy, so your calculator will likely not be susceptible to breakage.

3 Key Memory

You get a solar-powered calculator with three key memories. These memories are recall or clear memory, memory plus/+ and memory minus/-.

Calculations

You can use the calculator for all essential functions. The most frequent ones include square root, percent, and sign change.

Additionally, the numbers and results shown on the screen are tall and skinny. Because of this, the person using the calculator can easily see and read the results.

Solar Powered Calculator Buying Guide

While we believe the above section would have been helpful to figure out the right solar-powered calculator, there might be a minute chance that you might still be confused.

Well, no worries either way because, with this comprehensive buying guide, you will understand the top factors to consider while zeroing down on the final product.

Key Takeaways

• Solar-powered calculators work by converting sunlight into electric current using photovoltaic cells, and they can also charge their batteries using any light source.
• The charging time of a solar-powered calculator depends on the strength of sunlight and the calculator’s power, with newer models charging faster than older ones.
• Solar-powered calculators require very little power, typically around 0.02 to 0.03 watts, and can last a long time with sufficient sunlight. When buying one, consider factors like the calculator’s specifications, pricing, brand reputation, top product lists, deals, user reviews, and individual product reviews to make an informed choice.

How doe Solar Powered Calculators Work?

Since the marketing is hustling with so many companies producing solar-powered calculators, the working might vary with each one of them. On a general note, the calculator will turn sun rays into energy.

The mechanism behind this process is based on the photovoltaic cells that can capture sunlight and then alter it into electric currents.

This electric current can power the calculator along with charging the battery simultaneously.

While you might feel, solar-powered calculators might not work as fast during not-so-sunny days or while you’re indoors, that’s not the case. These calculators can collect energy from any type of light source in their vicinity.

How Do You Charge Solar Powered Calculators?

Just like we mentioned before, the light source doesn’t necessarily have to be the sun. Of course, leaving it out in the sun is the most effective way to charge, but you can even use artificial energy sources.

Additionally, the solar-powered calculator will charge itself both night and day.

How Long Can Does It Take to Charge a Solar Powered Calculator?

Well, for starters, the charging of the solar-powered calculator is not going to depend on anything you do. The photovoltaic cells capture sunlight and the time needed for the calculators to charge.

So, the time needed for charging will largely depend on the strength of the sun’s rays at a particular time, along with the power of your calculator.

An older model with low power will take more hours to charge. On the contrary, a new model with faster technology might take less than an hour to achieve a full battery.

How Can You Check if a Solar Powered Calculator has Been Charged Enough?

Imagine a situation wherein your solar-powered calculator suddenly stops working! How will you navigate if it needs charging or since it hasn’t been used in a while, it stopped working?

Well, a super-easy way to figure this out is by leaving the calculator in sunlight for some time and then trying again. If the light button still doesn’t work, try charging it overnight.

According to the energy required, these calculators can take 30 minutes to even many hours.

What is the Amount of Power Required by Solar Powered Calculators?

The total amount of power these solar-powered calculators need is practically nothing. If you still want to consider amounts, then 0.02 to 0.03 watts of electricity would be required for operation.

Overall, you shouldn’t really stress about the energy required to run your solar-powered calculators. Just leave it in the sun for an entire day and see how fabulously it works!

How Long do Solar Powered Calculators Last?

Solar-powered calculators can run however long you want if you have sufficient sunlight around. Moreover, the length of time they last largely depends on how long they have been used.

If you are a person who uses the calculator only once a day, be assured to last it for more than a year.

Factors to Consider When Buying Solar Calculators

What good is a solar-powered calculator if it doesn’t fulfill your requirements with its features? Always go through the product details and check if its specifications match with the primary task you’re planning to buy it for.

A solar-powered calculator for industrial purposes would definitely be different from the one you would use at home for calculations.

Pricing

Probably, one of the make-or-break factors while purchasing a solar-powered calculator is the price. The budget should be decided beforehand once you start looking for options.

It is advisable not to overspend on those calculators with features that would not be of much use to you. Moreover, it would be beneficial if you try to find a solar-powered calculator with the features you need to be clubbed with cost-effectiveness.

Brand

Well, however much you try to run away from this fact, brand value does matter whenever you’re buying some utility. We recommend you explore amongst various companies but settling for a reputed brand can often be the easy way out.

While there is a vital trust factor, you will enjoy effective customer service, global support, and a high-quality build.

You can also easily resell them as most people know the company. Moreover, you might be able to fetch a reasonable price in doing so, even though the product might be old.

Go Check the Best Lists

Just like you’re going through this article, it is essential to check out the best or top lists. These writers generally put in a lot of time to develop the right and best quality products for the readers.

Moreover, it will have all the information, including the top features, pros and cons list, and other nitty-gritty.

Find the Top Deals

Finding the top deals generally goes without saying because we all love additional benefits and cashbacks. Try to find deals on popular websites; in some situations, you might be able to save even 5 to 15 percent of the payment.

Additionally, be aware to only buy these solar-powered calculators from an authorized reseller owing to the rising number of cases of online frauds.

User Reviews

This is probably the most straightforward and fair way to check out the validity and potency of a product like a solar-powered calculator. Who better than a user could tell if the item is worth your time, money, and efforts?

On the majority of ecommerce platforms like Amazon, you will find innumerable user views and their experiences upon buying the product.

In these reviews, you can also search for specific features in the product and how they have responded to upon usage.

Individual Product Takes

Many bloggers, media publications, and reviewers have a ton of individual product review pages as well. These pages would most likely be for those products that are famous or majorly used.

Most of these reviews would be written after week-long testing of the solar-powered calculators and in-depth reviews of day-by-day utilization. These individual reviews might help you understand the actual on-ground worth of the solar-powered calculator.

Case Study: Implementing Solar-Powered Calculators in Educational Institutions

Background

At Solar Calculators Network USA, we are committed to promoting sustainable and eco-friendly solutions across various sectors. Recently, we embarked on a project to introduce solar-powered calculators in educational institutions. This case study highlights the planning, implementation, and outcomes of this initiative, demonstrating the practicality and benefits of solar-powered calculators in academic settings.

Project Overview

The goal of the project was to replace traditional battery-operated calculators with solar-powered models in several schools. The primary objectives were to reduce the environmental impact, lower operational costs, and provide students with reliable and sustainable tools for their academic activities.

Implementation

Site Assessment and Planning

We began by assessing the needs of the participating schools to determine the number and type of calculators required. The focus was on middle and high schools where calculators are frequently used for mathematics and science courses.

Selection of Solar-Powered Calculators

Based on the assessment, we selected solar-powered calculators with the following features:

• High-efficiency photovoltaic cells: To ensure quick charging even under artificial light.
• Durable construction: Suitable for frequent use by students.
• Automatic power-off function: To conserve energy when not in use.
• Dual power capability: Solar cells combined with a small battery for backup in low-light conditions.

These calculators were chosen for their reliability, ease of use, and cost-effectiveness.

Distribution and Training

The calculators were distributed to the participating schools along with a comprehensive user manual. We also conducted training sessions for teachers to familiarize them with the operation and benefits of the solar-powered calculators. This ensured smooth integration into the classroom environment.

Results

Environmental Impact

The transition to solar-powered calculators significantly reduced the schools’ reliance on disposable batteries, thereby decreasing the environmental footprint. Over a year, this initiative saved thousands of batteries from ending up in landfills.

Cost Savings

By eliminating the need for regular battery replacements, the schools experienced notable cost savings. These funds were redirected towards other educational resources, enhancing the overall learning environment.

Student Engagement and Learning

Students responded positively to the new calculators. The constant availability of a reliable power source ensured uninterrupted learning, and the novelty of using solar-powered devices increased their engagement in math and science activities.

Summary

The successful implementation of solar-powered calculators in educational institutions underscores the viability and benefits of sustainable technology in everyday applications. At Solar Calculators Network USA, we are proud to lead initiatives that not only promote environmental stewardship but also enhance educational outcomes.

Expert Insights From Our Solar Panel Installers About Solar Powered Calculators

Solar-powered calculators are an excellent choice for both students and professionals. Their ability to harness solar energy ensures that you always have a reliable power source, reducing dependency on batteries.

Senior Solar Panel Installer

The integration of photovoltaic cells in solar-powered calculators is a testament to the versatility of solar technology. These calculators are not only eco-friendly but also cost-effective in the long run.

Lead Solar Installation Technician

One of the key advantages of solar-powered calculators is their durability and long lifespan. With minimal maintenance, these devices can last for years, making them a practical investment for daily use.

Solar Project Manager

Our Expertise in Solar Products

At Solar Calculators Network USA, we’re not just enthusiasts of solar technology; we’re dedicated researchers and users of solar-powered calculators. Over the years, we’ve been at the forefront of solar calculators, understanding the nuances and intricacies of various solar-powered calculators. Our team has hands-on experience with a wide range of these calculators, and we’ve seen the evolution of solar-powered calculators from their inception to the advanced versions available today.

Why Trust Our Reviews?

• Hands-On Testing: Before penning down any review, our team spends weeks testing solar-powered calculators. For this article, we thoroughly examined and used each of these calculators in various settings, from classrooms to offices, ensuring we understand their performance in real-world scenarios.
• Continuous Learning: We regularly attend solar technology conferences, workshops, and seminars. This continuous learning ensures we’re always updated with the latest solar tech, allowing us to evaluate calculators against the most recent standards.
• Feedback Loop: Over the years, we’ve built a community of calculator enthusiasts. We often reach out to them for calculator feedback, ensuring our reviews aren’t just based on our perspective but reflect the broader community’s experiences.
• Transparency: Whenever we receive calculators for review from manufacturers, we ensure full transparency with our readers. For this article, some calculators were purchased by our team, while manufacturers sent others. However, our reviews remain unbiased, focusing solely on the calculator’s performance.
• Decades of Experience: Collectively, our team has over two decades of experience in the solar calculator industry. From understanding the technical aspects of solar cells to the functionality and design of solar-powered calculators, our expertise spans wide and deep.

In this article, we’ve combined our personal experiences, technical knowledge, and feedback from our community to provide you with comprehensive reviews of the best solar-powered calculators for 2024. We believe that our expertise, combined with our commitment to transparency and continuous learning, makes us a reliable source for solar calculator reviews.

Wrapping Up

With almost everything being done on our personal computers, leaving some of those calculations to the solar-powered calculator could be fun and practical as well.

We hope you can find an excellent calculator from our top picks. Each of these has been written hereafter intensive research and keeping consumer reviews in mind.

If you are stuck and these options don’t make sense, go through the quick yet comprehensive buying guide to gain additional insights.

With the right brand, features, utility, and build, you can easily find a favorable option in terms of solar-powered calculators. Moreover, do remember to keep your budgetary constraints in mind.