Solar Batteries

Solar Batteries for Sale in South Africa

Explore our selection of solar batteries & lithium batteries for sale in South Africa. Choose eco-friendly energy solutions and take control of your power needs.

Notice – Please note some images are for illustration purposes only. Actual product may vary.

Guide: How to upgrade your Lithium battery BMS 

Introduction to Solar Batteries

The energy produced by solar panels is stored in solar batteries. They are a crucial part of a solar energy system because they enable the storage of extra energy generated by the solar panels during the day to be used as a backup power source at night or during periods of low sunlight. In order to power homes and businesses, solar batteries convert the direct current (DC) electricity produced by solar panels into alternating current (AC). Users can lessen their reliance on electricity from the grid, increase their energy independence, and lower their energy costs by storing excess energy in a solar battery.

Purpose and Importance of Solar Batteries

A solar battery’s function is to store extra energy produced by solar panels to be used as a backup power source at night or during periods of low sunlight. The value of a solar battery is found in its capacity to improve the performance of a solar energy system.Instead of solely relying on electricity from the grid, a solar battery enables users to use the energy produced by their solar panels whenever they need it. Enabling the use of stored energy during periods of peak energy usage, not only offers a backup power source in case of an emergency but also aids in lowering energy costs. 

Key features to consider for choosing a solar battery

When choosing a solar battery, it is important to consider several key features to ensure that you select the best product for your specific needs. These key features include:

Battery Capacity

A solar battery’s capacity is the amount of energy that it can store. It is measured in kilowatt-hours (kWh) and should be chosen based on the solar panel system’s size and expected daily energy usage.

Battery Voltage

Solar batteries are available in a variety of voltages, and it is critical to select a battery with a voltage that is compatible with your solar panel system.

Cycle life

The cycle life of a solar battery refers to the number of times it can be charged and discharged before it reaches the end of its useful life. This is an important consideration because it will affect the overall cost of ownership.

Compatibility with the solar system: 

It is important to choose a solar battery that is compatible with your solar panel system, including its voltage, capacity, and compatibility with a battery management system.

Maintenance requirements:

Solar batteries require regular maintenance to ensure their longevity, including regular cleaning and monitoring of their performance. It is important to consider the maintenance requirements of different batteries before making a purchasing decision.

Solar Battery Cost:

Solar batteries come in a range of prices, and it is important to consider the cost of the solar battery in relation to its capacity, cycle life, and overall performance.

Types of Solar Batteries

 Lithium-Ion Solar Batteries

Lithium solar batteries are the optimal choice for storing energy in solar systems due to their remarkable proficiency. They can be charged faster, don’t require maintenance, and function for a more extended period of time than any other battery available today.Shop our selection of lithium solar batteries for sale

Lead-Acid / Gel Solar Batteries:

A lead acid battery is a rechargeable battery that operates on lead and sulfuric acid. To allow for a controlled chemical reaction, the lead is immersed in sulphuric acid.This chemical reaction is responsible for the battery’s ability to generate electricity. The reaction is then reversed to recharge the battery.One disadvantage of lead acid batteries is that they self-discharge even when not in use. A general rule of thumb is a 1% self-discharge rate per day. This rate increases in hot weather and decreases in cold weather.

How do solar batteries work?

Battery Charging Process

Solar battery charging is a complicated process that involves several key components such as solar panels, inverters, and charge controllers. The process begins with solar panels generating solar energy and then converting it to direct current (DC) electricity. This electricity is then routed to the inverter, which converts it to alternating current (AC) electricity, which can then be used by your home or stored in the solar battery.

Battery Discharging Process

A solar battery’s discharging process refers to the release of stored energy from the battery for use by the home or solar system. This happens when the demand for energy exceeds the amount of energy produced by your solar panels.The energy that is stored in the solar battery is transferred to the inverter, which converts it back into alternating current (AC) electricity that can be used for powering your household appliances. The solar inverter also regulates the flow of electricity from the solar battery to prevent it from discharging too quickly or running too low, which can cause damage to your solar battery. 

Importance of a battery management system (BMS)

In summary, a BMS analyzes real-time chemical battery measurements, then adjusts charging/discharging parameters and communicates this information to end users. Battery voltage, state of charge (SOC), state of health (SOH), temperature, and other critical measurements can be monitored by these sensors. They can even show charging time on a simple “fuel gauge.”A battery management system can improve the reliability, safety, maintenance, performance, and lifespan of a solar battery. So it is worth thinking about whether a battery management system could help you save time, headaches, and money. Most solar inverters have a built-in battery management system.

What is the best battery for my solar system?

The best solar battery for your solar system depends on several factors, including the size of your system, your energy usage patterns, and your overall budget. We recommend that you use a Lithium battery with your solar power system.