Types of battery Diesel electric generator

Battery Electric Generator

If you've ever been in a situation where you need a portable power source, you've probably heard or read about electric generator batteries.

These devices have become increasingly popular due to their ability to provide reliable and convenient power in emergency situations or when there is no access to an electrical outlet.

In this article, we will explain in detail what an electric generator battery is, how it works, its benefits, uses, features, and some frequently asked questions about this innovative product.

Table of Contents

What is an Electric Generator Battery?

An electric generator battery is a portable device that stores electrical energy inside and releases it when needed. It works as a rechargeable battery that is charged by an external power source, such as a power outlet or solar panels, and can then be used to power different electrical devices.

The battery of an electric generator is usually equipped with alternating current (AC), direct current (DC) outputs and USB ports, making it versatile and compatible with a wide range of devices, such as smartphones, tablets, laptops, lights, small appliances and power tools.

Operation of a battery electric generator

An electric generator battery works through a chemical reaction that converts electrical energy into chemical energy and vice versa. 

When the battery is being charged, an electrical current is applied across the battery electrodes, causing a chemical reaction that stores energy in the form of chemical energy in the electrode materials. When the battery is being discharged, the chemical reaction is reversed, releasing the stored energy in the form of electrical energy.

Types of batteries for electric generators

There are several types of batteries used in electric generators, each with its own characteristics and applications. Some of the most common types are:

Lead-acid batteries

Lead-acid batteries are the most widely used in electric generators due to their low cost and reliability. They are ideal for backup power applications and are used in most portable generators.

However, they have a limited lifespan and require regular maintenance, such as checking the electrolyte level and cleaning the terminals.

lithium ion batteries

Lithium-ion batteries are a more advanced and expensive option for electric generators. They are known for their high energy density, which means they can store more energy in a more compact size compared to lead-acid batteries.

They are lightweight, require no maintenance, and have a longer lifespan. They are ideal for applications where greater energy storage capacity is needed and greater durability is sought.

Nickel-Cadmium Batteries

Nickel-cadmium batteries are a less common choice for electric generators due to cost and environmental concerns associated with cadmium. However, they are known for their high lifespan, resistance to extreme temperatures, and fast charging capabilities. They are used in industrial and military applications where high reliability and durability are required.

gel batteries 

These batteries use gel electrolyte technology, making them maintenance free. They do not require checking or adjusting the electrolyte level and are less prone to leaks or spills.

In addition, gel batteries are resistant to vibrations and can operate in different positions, making them suitable for diesel electric generator applications in more demanding environments.

AGM Batteries (Absorbent Glass Mat) 

These batteries use absorbent fiberglass technology to retain the electrolyte, making them maintenance free and less prone to leaks or spills. AGM batteries are known for their high discharge rate, making them ideal for diesel generator applications that require high starting current and rapid discharge.

Nickel-Metal Hydride (NiMH) Batteries 

These batteries are similar to NiCd batteries in terms of durability and tolerance to extreme temperatures, but they do not contain cadmium, making them a greener option. However, NiMH batteries also have a relatively low energy density compared to other newer technologies such as lithium batteries.

carbon-alkali batteries

These batteries are a less common option and are mainly used in specialized applications. They are known for their high capacity and long life, but they are also more expensive and have environmental restrictions due to their carbon content, which is an environmentally sensitive material.


electric generator battery


Characteristics of a Battery Electric Generator

Electric generator batteries come in a variety of sizes, capacities and features, making them versatile and adaptable to different needs. Some of the most common features of a battery electric generator include:

Storage capacity: It refers to the amount of energy that can be stored inside. Capacities range from small mAh (milliampere-hour) capacity pocket batteries to larger multi-kilowatt-hour (kWh) capacity batteries, which are ideal for powering higher power-draining devices.

Current outputs: Power generator batteries are often equipped with alternating current (AC), direct current (DC) outlets, and USB ports, making them compatible with a wide range of electronic devices. Some batteries may also have specific outlets for devices like laptops, cameras, or appliances, making them more versatile and convenient.

Screen and controls: Some electric generator batteries come with built-in displays and controls that allow you to check the state of charge of the battery, the level of energy consumed, and other settings. This makes it easy to monitor and control battery usage, allowing you to efficiently manage available power.

Durability and resistance: Electric generator batteries are usually designed to be durable and resistant to adverse conditions, such as shocks, falls, dust, water and extreme temperatures. This makes them ideal for use in outdoor activities, construction, and other demanding situations.

Portability: One of the advantages of electric generator batteries is their portability. Many models are compact and lightweight, making them easy to transport and handle. Some batteries even come with handles or straps for convenience when taking them with you wherever you go.

How to choose the best battery for an electric generator

When choosing a battery powered electric generator, it is important to consider several factors. Here are some guidelines to consider:

energy storage capacity

A battery should be selected that has sufficient capacity to meet the power needs of the specific application. This will depend on the power consumption of the electrical generator and the length of backup time required.

Battery Type

As mentioned above, there are several types of batteries for electric generators, each with their own advantages and disadvantages. It is important to research and choose the type of battery that best suits the needs of the application, considering factors such as energy storage capacity, maintenance and durability.

portability and versatility

It is important to select a battery powered generator that is easy to transport and that is tailored to the specific needs of the application. Some batteries are lighter and more compact, making them ideal for outdoor activities or situations where mobility is required, while others are larger and heavier, but offer greater energy storage capacity.

cost and budget

Different types of batteries have different costs, with lead-acid batteries being the cheapest and lithium-ion batteries being the most expensive. It is important to evaluate the cost of the battery in relation to its features and benefits, as well as to consider the budget available for the purchase of the battery.

How to generate homemade electricity?


In summary, a electric generator battery It is a versatile, convenient and portable option to have a reliable power source in different situations. Whether you are camping, traveling, in an emergency, or in a location where there is no access to electricity, a battery electric generator can be a practical and efficient solution. 

It should be noted that battery technology is constantly evolving and new types of batteries may emerge in the future with improved characteristics in terms of energy efficiency, capacity, durability and sustainability. 

Where to get an electric generator?

If you are looking for a reliable and efficient solution to have electricity anytime, anywhere, at JRH we can help you.

We offer a wide variety of Electric generators of high quality, designed to cover from the most basic needs to the most demanding,

Our team of experts is responsible for advising you so that you can find the generator that best suits your needs and budget.

Don't run out of energy!!!

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