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Elecom's Sodium-Ion Power Bank is a Bold Step Toward Greener Tech

Divya Thakkar
Divya Thakkar·Mar 20, 2025·1 min read
Elecom Na Plus sodium-ion power bank, world's first 9,000mAh eco-friendly battery

In the industry of lithium-ion batteries, Japanese tech accessory brand Elecom has shaken the status quo with the launch of Na Plus.

It is the world’s first sodium-ion power bank, and has a capacity of 9,000mAh and 5,000 charge cycles. The Na Plus challenges the notion that lithium is the ultimate powerhouse of our devices.

At first glance, this power bank seems like an ordinary charging solution. But a deeper look reveals a disruptive potential; sodium-ion batteries are not only safer but are also much more eco-friendly than their lithium counterparts.

Unlike lithium, which poses disposal challenges due to its toxicity, sodium is abundant, affordable, and easier to produce. The Na Plus also boasts a broad operating temperature range (-35°C to 50°C), making it reliable in harsh conditions.

However, the innovation isn't without its setbacks. The Na Plus is heavier (350 grams) and slightly pricier (9,980 yen or ₹5,750) compared to its standard lithium-based counterparts. It also has a lower energy density, meaning it's bulkier for the same power output.

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Yet, Elecom’s bold move has reignited conversations about sustainable energy storage.

Pretty sure that tech giants pivoting to sodium-ion batteries will automatically reduce the reliance on finite, environmentally taxing lithium.

While lithium remains king, Elecom’s Na Plus marks the dawn of a new era—a challenge to explore alternatives before the earth's lithium veins run dry.


Edited by Harshajit Sarmah

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