Solar lights are the go-to if you want a green solution for illuminating your home and its outside. To ensure that solar lights provide you with uninterrupted lightning, they must be equipped with the ideal solar light batteries. Solar lights not only generate eco-friendly and neat lighting but also let you save a lot on your electricity bills.
The market is filled with tons of options for solar light batteries, yet, not all of them are worth it. We did all the background research for you and after comparing several solar light batteries, we have made a list of the top 8 best batteries for solar lights. Hence, options are narrowed down for you and now you can easily find the best solar light batteries for yourself.
Besides, for individuals who are interested in knowing more about solar light batteries, there is plenty of interesting information included in the article, so make sure you don’t miss any of them.
Let’s get started!
How Do Solar Light Battery Works?
Solar batteries are the integral component of solar lights. Their primary function is to store and convert solar energy into electrical energy.
A cell is the battery’s central power source consisting of two electrodes and an electrolyte. The use of silicon and chemicals results in the production of the negatively charged electrons (anode) as well as the positively charged spaces (cathode).
When the sunlight is absorbed and stored in a cell by the solar panel, the electrons begin to migrate towards positively charged spaces. Due to this electrons along the anode are formed.
After electrons send through the wires by positively charged spaces, the electricity generated is stored in the battery. When night time comes, the battery supplies solar lights with electricity.
Similarly, chemical reactions occur after the battery is exposed to solar light. This results in the steady passage of both electrons and ions. Electrons pass more quickly through the outer circuit towards the positive electrode.
Daily when the solar panel is exposed to plenty of sunlight, the charging, and storage mechanism for a battery repeat. The charging potential of a cell may also be influenced by its position, so make sure you keep the battery where sunlight reaches well.
Types of Solar Light Batteries
Before you begin with checking our list of best solar batteries, you must be well aware of the types of solar light batteries. Each type has its pros and cons; therefore, you must acknowledge which type will suit you the best.
- Nickel-Metal Hybrid Batteries:
Nickel-metal hybrid batteries also known as NiMH is the latest entry, however, the graph of their popularity is ever increasing. We like NiMH batteries more than NiCad (mentioned-below) for solar lights because they are capable of storing more electric charge and are more eco-friendly as compared to other battery-powered devices. NiMH batteries are similar in size to alkaline batteries.
- Nickel-Cadmium Batteries:
Nickel-cadmium batteries also known as NiCad are one of the most popular batteries of its time. In fact, back in the 90s, NiCad batteries were considered as the best rechargeable batteries due to their lightweight and portability. However, these might not be as attractive features as they used to be because now people want more storage capacity and efficiency.
Moreover, these batteries will not have a significant voltage drop when their power drains, and it is an obvious advantage compared to alkaline batteries. However, when you buy rechargeable solar batteries, they are not the most popular choice and you will know why.
- Lithium-Ion Batteries:
You must be familiar with Lithium-ion batteries (Li-ion) as they have been around for decades now. Such batteries are mostly used for smartphones or laptops. The major advantage that Li-ion brings to you over NiMH batteries is that they take way less time to charge. However, you need a big budget to buy this type of battery as they are quite expensive compared to others.
Advantages And Disadvantages Of Solar Light Batteries:
Below we have enlisted a few advantages and disadvantages of solar light batteries that you should be well aware of.
- Affordable: The major advantage of solar light batteries is that they help you save a lot on your electricity bills. As solar light batteries function on the preserved sunlight by the solar panel, therefore, no electricity is being utilized to make the solar light perform. Hence, the additional cost of electricity is cut off from your bill.
- Eco-Friendly: Solar light batteries get the renewable energy from the sun, due to which they help in promoting cleaner air, providing that they are disposed of properly. Also, they do not release harmful chemicals, so there is no possibility of any contamination to the environment.
- Dependable Source of Energy: Solar light batteries can prove to be a lifesaver in times of lighting blackout or emergency. They will ensure continuous supply of power in any weather condition.
- Easily Accessible: As mentioned earlier, Solar light batteries’ popularity graph is ever-increasing resulting in them being easily available in many stores. Many people are turning towards the green solution for energy, therefore, solar light batteries are the new vogue and it will not finish any time soon.
- Portable Source of Energy: Solar light batteries can easily be kept in bags as they do not require any wire or cord, hence using them is very convenient and they can be transported anywhere as a ready source of power.
Remember that the disadvantages enlisted below do not apply to all batteries. However, you must acknowledge them so that you have better information about solar light batteries.
- Expensive Source of Energy: Well, if you are wondering how solar light batteries can be both affordable and expensive at the same time, then we have got you covered. Solar light batteries will perform efficiently during sunny days, but unfortunately, the sun does not always shine and this is a major drawback for solar lighting. Dark winters, consistent cloudy days, or long darkness can make solar panels deprive of their energy.
For this reason, users have to buy ready-to-use power cells and proper batteries to make their solar light perform and some of the equipment can be very expensive.
- Requires Frequent Replacement: Although batteries can be recharged for the longest time, it is also an established fact that cells need to be replaced at least annually. Besides adding to the users’ costs or budget, it’s often challenging to replace the battery regularly.
- Safety Concerns: The danger of batteries being exploded is also there if not properly used. Moreover, overcharging or overheating the cells can result in malfunctioning and bursting.
Best Batteries For Solar Light: Review
On the top position sits the Amazon Basics’ 8-pack AA solar rechargeable batteries. The best part about these rechargeable batteries is their 2000 mAh capacity.
It is an ideal option for individuals who are looking for large-capacity rechargeable batteries for solar lights. In fact, these batteries are compatible with a number of devices like digital cameras, toys, and other accessories that require AA size.
Here are some of its more mouth-watering features:
Long Battery Life:
The battery comes with a moderate self-discharge mechanism, enabling it to maintain the capacity of the battery for a longer time. Furthermore, you can also maintain 80% of energy-charged for 24 months (2 years).
Another attractive feature of these solar light batteries is that each of these implements can be recharged 1000 times without losing substantial power loss, making them one of the best rechargeable solar light batteries.
High-Quality And Efficient Operation:
This set of 8 rechargeable batteries comes pre-charged, hence, you get a set of batteries that are ready to use at any time. These solar light batteries will provide you with the utmost value and excellent performance. In fact, these batteries can be recycled once disposed of and you get a limited 1-year warranty
- Affordable and eco-friendly
- Rechargeable up to 1000 times
- 2000 mAh large capacity
- Several users reported about the inconsistent quality
Minetom is quite popular in making one of the best rechargeable batteries for solar lights and this NiMH rechargeable AA battery is one of them. The pack includes 12 AA solar rechargeable batteries; hence it can be an ideal choice if you need a decent battery backup.
Each of these batteries can provide you with a capacity of 1300 mAh. This is an adequate capacity level that helps you achieve excellent performance with any type of device and especially solar lights.
Versatile And Efficient Operation:
The reason we would consider NiMH batteries over NiCad is that they do not lose their maximum capacity, unlike NiCad batteries. These rechargeable AA solar light batteries are suitable for your everyday devices like TV remotes, flashlights, strings lights, and more. They will ensure that you get the maximum performance out of these implements.
Easy and Reliable To Use:
On the other hand, you can constantly recharge these batteries at least 500 times. In this way, you can also save money. Besides, these NiMH batteries can be recharged with both standard charging units and solar. You will not have any problem using them.
- Versatile rechargeable batteries
- Decent battery life
- 12 batteries in affordable price
- Batteries recharging capability could have been better
If you have been looking for solar rechargeable batteries with a very long battery life then you cannot find something better than the Tenergy NiMH rechargeable AA battery. Unbelievably, these batteries can help you power your solar lights for up to 5 years.
Reliable And Long Battery Life:
Tenergy is a reliable name when it comes to making one of the best rechargeable batteries. Tenergy provides you with an affordable and long-lasting solution to power your solar lights with these 1000 mAh NiMH rechargeable batteries without compromising on their quality. These batteries will serve you 4 to 5 times longer than regular NiMH batteries.
These batteries are rechargeable up to 2000 times, hence you will not need to change your solar light batteries for 2-3 years now.
Another great feature of these rechargeable batteries for solar lights is that they are durable and vigorous. Regardless of the weather condition, these batteries are a reliable source to power your solar lights.
These solar light batteries come ready-to-use to you and you also get a 12-month warranty. Moreover, these batteries are free of toxic heavy metals, thus making them an eco-friendly option as well.
- Highly durable and reliable
- Affordable solar light batteries
- Requires regular power
Next on the list is another excellent option for solar light batteries by Mr.Batt. These are durable batteries made with high-quality material to prevent leakage and drainage.
The set of these 8 rechargeable solar light batteries comes with a large design, offering you a maximum capacity of 1600 mAh. This further makes storage and use of these batteries easy for you.
Adequate Life Span:
What we like the most about these solar light batteries is that you can recharge these batteries up to 1200 times. Compared to alkaline batteries, this is double the life span that too at the same price.
Want to know more? Even when you are not using the units, the total capacity can be maintained up to 75% for 3 years.
These rechargeable AA batteries are suitable for all household products such as solar lights, digital cameras, flashlights, wireless mouse, etc. Besides, this set of 8 batteries is eco-friendly and does not contain materials that could pollute the environment.
- Low self-discharge
- 1200 life cycles
- Reliable performance
- Several users reported inconsistent quality
Continuing with the theme of versatility here is another excellent addition to the list of the best batteries for solar lights. This 24 unit pack of NiMH rechargeable batteries by Panasonic comes with 2000 mAh high capacity.
Long Life Span:
The most attractive feature of these solar light batteries is that they are rechargeable up to 2100 times. This is the highest rechargeable life cycle of any battery on this list. Moreover, you can maintain up to 70% of the charge even after 10 years.
Whether you want to power your solar lights in the garden or any other household device, these batteries will ensure that you get the maximum performance.
The batteries come to you pre-charged with solar energy. Moreover, these batteries will perform exceptionally even in extreme temperatures.
- 24 units in a back
- Rechargeable up to 2100 times
- Low self-discharge rate
EBL AA Rechargeable batteries are one of the best batteries for solar lights. It will provide you with efficient performance for several devices in addition to solar lights.
What we like the most about these solar rechargeable batteries is their high 1100 mAh capacity. It’s an ideal replacement for 600 mAh, 800 mAh, etc NiCad batteries.
The high capacity will ensure that you have long-lasting lights at night. Another great thing about these batteries is their rapid charging capability. They will charge quickly and provide you with long-lasting performance.
EBL AA Rechargeable batteries are of exceptional quality. These batteries will perform efficiently at a temperature from -20⁰ to 60 ⁰C. Also, you can charge the batteries with both solar energy and standard chargers.
Up to 75% power of the batteries can be maintained even after 3 years. Want to know the best part? EBL batteries come with 1200 life cycles, hence they will last longer than your regular solar light batteries.
There are 20 AA rechargeable batteries included in the pack and every 4 batteries are packed in a battery storage case which makes it easier for you to store these batteries.
- 1100 mAh high capacity
- Efficient performance in both high and low temperatures
- Convenient storage
- Efficiency can reduce due to bad weather
If you are looking for solar light batteries with moderate capacity then BaoBian is one of the best rechargeable batteries for solar lights. These AA rechargeable batteries come with a capacity of 600 mAh
These batteries are best suitable for the solar lights in your garden. They have a power-life of up to 25 months and you can recharge these batteries via sunlight and standard charging units.
We recommend this product because it provides you with reliable performance and it also has the capability to rapidly charge.
When you look at the power life of the battery, it definitely makes it one of the most affordable solar light batteries. Ideally, it’s worth buying and it will not disappoint you with its service
- 25 months power life
- Rapidly charging
- Quality can be improved
Moonrays is another recommendation of solar light batteries with 600 mAh capacity, but this time it’s NiCad type. Moonrays is well-known for making one of the best low-voltage and solar-powered products and these NiCad batteries are one of them.
These 600 mAh rechargeable solar batteries can rapidly charge. They take only 1.5 hours to fully charge and provide you with exceptional performance. On the other hand, you can recharge these batteries as many as 1000 times, hence making them a budget-friendly option as well.
This is another great feature of these NiCad batteries. It will ensure that your solar lights perform without any interruption. With these batteries, you are promised proper performance, safety, and reliability.
Due to the compact and lightweight design of the batteries, it gets easier and convenient for you to store them.
- 1000 life cycle
- Perform efficiently
- Lightweight and compact design
- Includes only 4 units
Buying Guide: How To Pick The Right Batteries For Solar Lights
When you talk about the best batteries for solar lights, there are a few key factors that come into consideration. Below, we have mentioned those key factors that you need to consider when shopping for the best batteries for solar lights. These factors are important as not all batteries provide the same performance and these factors will help you find a battery that perfectly caters to your needs.
- Battery Size And Type:
The first thing you need to consider is the size and type of battery you are looking for. The batteries are measured in A, AA, and AAA, while the types are already mentioned above. Each of these types is compatible with certain devices.
For your use, as you need a battery for solar lights, the AA rechargeable batteries will suit the best. Not just that, the AA rechargeable batteries are also the most versatile one as they are compatible with various devices such as digital cameras, TV remotes, toys, sound devices, radio, etc.
That’s why AA batteries are the most reliable option for your solar lights and for your convenience; the batteries included in this article are all AA types.
The capacity of a battery is another significant factor that you must consider. In order to get the maximum performance out of your solar lights, the capacity of the battery should be higher. The batteries included in the list provide you with a capacity between 600 to 2000 mAh.
Moreover, the capacity of a battery determines the life cycle as well, which means that the higher the capacity the better the life span will be. Besides, Investing in batteries with a longer life span saves you from buying new rechargeable batteries frequently.
In fact, when you provide your solar lights with long-life rechargeable batteries, they tend to perform better.
- Durability And Reliability:
Remember that using solar rechargeable batteries means exposure to changing weather conditions. The battery you are planning to buy should be able to withstand all weather conditions and continue to provide efficient performance.
In too hot temperatures, the batteries can melt; therefore, keeping this in mind, we have enlisted the options that provide you with proper durability and functionality. These solar rechargeable batteries are adaptable to different weather conditions; hence you will not be facing such problems.
- Energy Efficiency:
Energy efficiency is one of the most vital factors when buying solar rechargeable batteries. It is dependent on two aspects; rapid energy charging and preventing power loss.
The rapid energy charging capability influences the performance of the battery and makes it perform better without requiring a large amount of energy. This is a significant aspect because when you have a solar light battery with fast charging capability; it will only take 4-5 hours for a complete charge under sunlight. Hence, when it’s nighttime, each of these units will have the energy to power your solar lights.
Secondly, a high quality battery must prevent power loss when not in use. It is important because batteries lose a significant chunk of maximum capacity when not in use for several years.
Lastly, you can consider the warranty period of the battery. When you buy solar light batteries, you expect them to last long, and to ensure this, the warranty period plays an important role. Most of these units come with a warranty period of 1 or 2 years and a few going up to 3 years.
- Are Solar Batteries The Same As Rechargeable?
There is not a significant difference between the two, just that the solar rechargeable batteries can be recharged via solar energy while the standard batteries cannot. For this reason, regular batteries are not suitable for your solar lights but solar rechargeable batteries like NiMH and NiCad are.
- What Type Of Battery Is Best For Solar Lights?
You must have noticed that there are different types of solar light batteries available in the market, but what type is best suitable for solar lights? Well, the type that is best suitable for solar lights is NiMH. Compared to older version NiCad batteries, NiMH batteries provide you with better functionality, safety, and reliability. Not just that, they last longer than NiCad batteries.
- How To Install And Use Solar Light Batteries?
For the best guide, you can check on the specifications of the product, however, installing these batteries is not a difficult task. They are installed in the same way as any ordinary battery.
- Can I Use Non Rechargeable Batteries In Solar Lights
We would not recommend you use non-rechargeable batteries in your rechargeable solar lights. They can explode; therefore, you should not take the risk.
This was our take on the best batteries for solar lights. We hope that you liked our list and now it is easier for you to find efficient batteries to power your solar lights.
From the above list, our favorite solar light batteries are AmazonBasics 8-Pack AA Rechargeable Batteries, 2000 mAh. Amazon Basics batteries are an all-rounder that includes all the features you need in an ideal solar light battery. The 8 unit pack is affordable, has 2000 mAh high capacity, and 1000 life cycles.
On the other hand, if you are looking for solar light batteries with moderate capacity but higher life cycles and low self-discharge rate then Tenergy Solla Rechargeable NiMH AA Battery is your best option.
With that being said, our article on the top 8 best batteries for solar lights ends here. Ensure that you have considered the factors mentioned in the article before making your selection.