Cordless Tools Batteries – All You Need to Know

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Cordless Tools Batteries-ronix-tools

The performance of a good cordless tool mainly depends on its battery and usually it is the most expensive part of the tool. Although there are just a few kinds of cordless tool batteries outside in the market, it is imperative to have the basic knowledge about the type of batteries to choose the right cordless tool. In order to get comprehensive information about cordless tools batteries and to know what terms like voltage, Li-Ion, Ni Cd, ampere hours mean you can read this article.

In this article, you get some suggestions that help you to save your money and at the same time buy a cordless tool with long service life. In this regard, first you need to know a bit about the most common specifications of the batteries that you can see over the packaging and marketing materials. So, it is necessary to read all of the topics in order. Before we start, it’s important to mention that just like all fields, developing technology has brought many innovations in the tools industry too.

Old-style nickel cadmium batteries have been replaced by lithium batteries and consequently coarse, heavy and weak tools have been replaced by compact, lightweight and powerful tools equipped with the latest technological innovations. To be more concise and informative we describe the differences of some old and new cordless tools like Ronix 8512 cordless drill. You can get more information on this and so more in the following lines.
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Cordless tools

Source of Power

When you buy a hand tool like a cordless drill or screwdriver you can see different expressions and terms about specifications of tool battery. Most of the time it seems like difficult scientific expressions that there’s no need to learn about them. But, since the battery is a vital part of a cordless tool, it’s good to know a little about some of these essential expressions.


To have an understanding of battery power, first of all one should know about voltage. Rechargeable batteries for cordless tools usually contain cells with different voltages like 1.2V, 1.5V or 3.6V. When you buy a tool, you should consider the quality and design of the tool, not only the voltage of the battery because the voltage solely doesn’t indicate the specific output power of the tool. For example, Ronix 8614 cordless drill with its 14.4V is more powerful than other similar tools in its class.

Ampere-Hour (AH)

This important factor indicates the total amount of charge that one battery can deliver in 1-hour time period. As an example, under no-load condition, Ronix 8618 cordless drill and screwdriver continuously draws 1.5 amperes of current which drain the total charge of 1.5Ah per hour.


The runtime of a cordless tool is mainly determined by a factor that introduced before: Ampere Hour (Ah). It means how long you can use your cordless tool on a single charge. The battery runtime usually decreases as you use your cordless tool. Here, it is important to remember what we mentioned before about the quality of a cordless tool. The battery quality is the number one consideration in choosing a cordless tool. Ronix cordless tools uses high-quality batteries which ensures you to have long life tools.

Cordless Tool Battery – Technological Aspects

Nickel Cadmium Batteries (Ni-Cd)

Long life as long as the battery is well maintained. NiCd batteries should only be charged when they are depleted (empty), otherwise they will lose their capacity! (shorter run time before they need to be recharged). These are the most durable and reliable battery types, especially in hot and cold weather conditions. For example, they provide the extra power needed during start-up or when doing tough jobs. NiCd batteries have a self-discharge rate, they discharge during storage.

NiCd batteries must be charged before storage. Cadmium is an environmentally friendly material; Batteries must be disposed because they are an environment hazard. The acid of the batteries leaches not only into the soil but also find their way into the ground water.

Nickel Metal Hydride (Ni-MH)

These batteries have a higher ‘energy density’ than NiCd batteries, meaning you can work longer before you need to recharge. Like NiCd batteries, NiMH batteries should only be charged when they are depleted (empty). However, when charged before this, the loss of capacity (loss of operating time) is less compared to NiCd batteries. NiMH batteries have the highest self-discharge rate, meaning they discharge rapidly during storage. NiMH batteries must be charged before storage. The materials used in these batteries are more environmentally friendly than those used in NiCd batteries, but still these batteries must be disposed safely.

Cordless Tools Batteries
Cordless Tools Batteries
Cordless Tools Batteries

Lithium Ion

These batteries have a much higher ‘energy density’ than NiCd and NiMH batteries, consequently much smaller and lighter batteries are required for the same runtime. In addition, these batteries have a low self-discharge rate, so these batteries do not easily discharge during storage. Batteries can be charged at any time, even if they are not empty, without affecting their capacity. Lithium-Ion batteries are also more environmentally friendly than other types. Lithium-Ion technology has obvious advantages, but is more expensive than NiCd and NiMH batteries. The materials used in these batteries are more environmentally friendly than those used in NiCd batteries, but still these batteries must be disposed. Ronix uses only Lithium ion batteries in cordless tools to guarantee the high-quality of its products.

Ronix Means Absolute Power

Like any other professional manufacturer, Ronix has its own distinct batteries for cordless tools. Ronix always uses the best material with advanced technology to ensure the customers of high quality its products. All of the Ronix cordless tools are equipped with Lithium ion batteries that are more environment-friendly and at the same time they are more durable. Charging these batteries takes less time and the diversity of batteries in Ronix cordless tools makes it easy to customers to choose their needed tool according to their needs. RONIX  is confident in quality of its batteries and always tries to use leading battery technology. As a result, it takes less time to recharge so you can get back to work faster

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31 October 2020

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