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Exchangeable Battery: History, Pros and Cons

Smartphone with self-exchangeable battery?


First mobile Phones had very high Energy Requirements

A battery is a wearing part and therefore usually breaks down faster than the device it supplies with energy. It costs only a fraction of the device.

If it can be replaced by the customer without the help of a workshop, the costs remain at a very manageable 20–50 EUR in an emergency.

This was the case with mobile phones in the early years of mobile communications and later with the first smartphones. These had a much higher energy consumption than today's devices. One battery charge was sufficient for a maximum of eight hours of heavy use and never a full day. Long-term phone users always needed a second battery.

Today's Smartphones are designed to save Energy

The battery technology has hardly changed. The large manufacturers with many years of experience deliver consistently good quality.

Smartphone batteries last up to two days without recharging, because modern smartphones are much more economical than older models.

Large Smartphone = large Battery

These so-called phablets (an artificial word made up of smartphone and tablet) with screen diagonals of 5 to 7 inches) have a larger housing and thus room for a much larger battery.

Small Smartphone = tiny Battery

Small super flat smartphones still need to be plugged in every evening because their small built-in battery only provides 2000 mAh or less.

Battery Life

With good care, a battery can last for years before natural wear and tear causes it to perform less than 80% and it must be replaced soon after.

Throw-away Mentality has changed everything

Unfortunately, the mobile phone commission was not abolished in Germany. Many customers are not even aware of what a mobile or smartphone actually costs.

Most mobile phone users buy a new smartphone worth between 400 and 1600 EUR every two years by renewing their contract for a few euros and throw the old one away. Many old devices disappear into drawers. In the best case, the predecessor model is given to a family member as a gift.

Those who can afford it, conclude a premium tariff contract with the mobile phone provider, which even brings a new smartphone top model every year!

And the device manufacturers sell smartphones with a new design every year, so that a replaceable battery of the predecessor would not fit in the new model either.

As a result, customers and manufacturers are hardly interested in replacement batteries.

Pros: exchangeable Battery

Cons: exchangeable Battery


I am in favour of sustainability and would like to buy a top-of-the-range smartphone with an exchangeable battery, but since the above facts speak against it and the only ecosystem acceptable to me does not offer devices with exchangeable batteries, I am now using the sixth smartphone without an exchangeable battery in a row.

My good experience with a lot of mobile phone and smartphone batteries gives me hope that the battery, which I cannot change by myself, will last long and will not be overstrained by software running amok.

I sell discarded smartphones in top condition via a resale platform, which means that even people with a smaller budget can enjoy a top smartphone and thus save money and protect the environment.

I only had one bad experience with the world's first XXL smartphone (Samsung Galaxy Note): its original battery had inflated after about three years and had to be replaced. Fortunately, it hadn't leaked or blown and could simply be replaced by a new one. This replacement battery seemed to be an original.

In the meantime, the Samsung Galaxy Note, which was only taken out of the drawer for regular recharging, also broke (not its replacement battery!).

Keyword list: Battery Life, Conclusion, Cons, Experience, Firmware, Germany, History, IT, Mobile Communications, Mobile Phone, Mobile Phones, Pros, Smartphone, Smartphones, Software, Update, Who, exchangeable Battery, exchangeable battery

German Content under /de/

19.11.2020: Like many other bilingual websites, this website only had an extra folder for the second language /en/

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