Rechargeable Batteries Foster A Greener Earth!

Rechargeable Batteries Foster A Greener Earth!

Auth Anushka Agarwal | Jan 12,2021

Zinc-carbon AAA battery is known for its unaltered short-lived power, convenience, affordability, mobility, and dependability. However, environmental concerns suggest rechargeable batteries possessing similar benefits can save money and reduce battery waste. 

Technological evolution persists and is enabled by Electrical Phenomena. Alternating current (AC), known for delivering power over several kilometers because of its changing voltage capacity through transformers, supports household and industrial electrical needs. On the contrary, there is direct current (DC), a unidirectional form of power moving from a negative terminal to a positive terminal, allowing energy storage.

Batteries, like the DC, is capable of storing power and delivering it when needed. They come in several shapes and sizes- AA, AAA, C, D, and button cells. They support energy-hungry devices, classified as primary and secondary. Primary batteries, popularly known as non-rechargeable, disposable, alkaline, zinc carbon AAA batteries, are designed for singular usage. On the other hand, secondary battery referred to as rechargeable batteries, support repeated energy needs, charged using a Ni-NH battery charger. 

The significant advantages of DC-powered Zinc carbon AAA battery over AC power 

Batteries, unlike AC power, don’t need a direct connection to the power source. It allows users to untether their electronic devices and use them freely. Therefore, such batteries let power be portable, productive, flexible, and efficient. They help us realize the benefits of portable power, empowering physical locations like power plants, factories, offices, homes, etc. It allows users to let loose from the bondage of being tied to an electrical outlet all day. 

Portability is one significant advantage of batteries over AC power. 

Moving on to the next context, why is a rechargeable battery better than a zinc-carbon AAA battery?

Comparing rechargeable and non-rechargeable batteries 

Rechargeable batteries do not exhaust rapidly. Instead, they can be powered again until they reach their said number of recharge cycles. True that non-rechargeable batteries cost less than their counterparts, but when calculating battery spend for a year, the cost of replacing alkaline batteries surpasses the investment made in rechargeable batteries. The cost of initially buying rechargeable batteries might surprise you; unlike disposable batteries, they are a long-term expenditure. That said, the economic benefits of rechargeable batteries stand out as advantageous for consumers. 

Another benefit of rechargeable directs towards their effect on the environment. We co-habitat this planet with the other living species, and our actions shouldn’t endanger their survival. Rechargeable batteries and their Ni-MH battery charger mitigate harm to the environment, spreading the concept of environmental responsibility. Zinc-carbon AAA batteries threaten the ecological balance with their non-biodegradable nature. However, rechargeable batteries are a responsible and environment-friendly choice, as most of their components are recyclable. In the long run, they reduce the chemical and solid waste generated. 

Should We Replace or Recharge a Battery?

So, how long can a battery go before it needs to be replaced (non-rechargeable) or recharged (rechargeable)?

Unlike a disposable battery that needs replacement once discharged, rechargeable batteries are reusable. 

Battery life determines a battery’s capacity to hold an electric charge, measured in Ampere hours (Ah). 

As a rechargeable battery is an electrochemical device, its capacity depends on its size- the larger its size, the more is its capacity. 

Its recharging capability depends on its capacity and the availability of a Ni-MH battery charger. High-load devices discharge a battery faster than a low-energy drain one. 

The recharging power of a secondary battery also depends on the number of recharge cycles available. In theory, the number of recharge cycles allowed should exceed the expected number of discharges. Different brands sell batteries with varied recharge cycles, depending on their size and usage. Duracell offers almost 400 recharge cycles, whereas Smartcell elevates the number to 1200. 

Often these batteries are sold pre-charged, thus called ready to use. But post first discharge, you need to plug them into the NiMH battery charger

Then, batteries do not sit at 100% charge once reached., there occurs a minute amount of discharge over time, resulting in a decrease in the total available power. Called a battery’s shelf life, it states the time duration for which the battery charge can stay in storage before its power trickles away. For primary cells, it means they are now useless. However, for rechargeable cells, it means they need refueling. 

That said, whether you replace or recharge a battery depends on its end-use. Devices like cameras, toys, etc., require rechargeable solutions, whereas smoke detectors, clocks, radio, etc., function well with disposable charge. 


The degrading environment quality has become a glaring concern. With more devices requiring stored and portable energy, batteries have become a quintessential part of our existence. 

As technological advancements have blessed us with a solution- cost-effective, affordable, long-lasting, and safe for the environment; it is better to invest in it. After all, they do enable greener electronics. 

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