If only your EV did this: Dells new supercapacitor keyboard and mouse combo delivers 'full day use' with a 5-second charge heres how

Date:
Thu, 02 Apr 2026 19:05:00 +0000

Description:
Dells supercapacitor-powered keyboard and mouse deliver ultra-fast charging and long usage, redefining convenience and eliminating reliance on
traditional batteries.

FULL STORY ======================================================================Copy link Facebook X Whatsapp Reddit Pinterest Flipboard Threads Email Share this article 0 Join the conversation Follow us Add us as a preferred source on Google Newsletter Tech Radar Pro Are you a pro? Subscribe to our newsletter Sign up to the TechRadar Pro newsletter to get all the top news, opinion, features and guidance your business needs to succeed! Become a Member in Seconds Unlock instant access to exclusive member features. Contact me with news and offers from other Future brands Receive email from us on behalf of our trusted partners or sponsors By submitting your information you agree to the Terms & Conditions and Privacy Policy and are aged 16 or over. You are
now subscribed Your newsletter sign-up was successful Join the club Get full access to premium articles, exclusive features and a growing list of member rewards. Explore An account already exists for this email address, please log in. Subscribe to our newsletter Supercapacitors turn charging time from hours into mere seconds Fast charging exposes the real limits of lithium-ion
battery chemistry Supercapacitor technology lacks sufficient energy capacity for practical electric vehicles Dell has introduced a keyboard and mouse
combo that charges in five seconds and delivers a full day of use.

The new Dell Pro 7 Rechargeable Compact Keyboard and Mouse relies on supercapacitor technology rather than traditional lithium-ion batteries. This system delivers unprecedented charging speeds, with a full recharge in under
5 minutes, powering the keyboard for up to 3 months and the mouse for 1.5 months. Article continues below You may like Megawatt charging is go BYD's new 1,500kW EV network has gas station speeds An EV that charges to 70% in 5 minutes? It's real, and it's coming to Europe soon Quantum battery prototype charges faster as its size increases How supercapacitors change the charging equation Supercapacitors differ fundamentally from conventional batteries in how they store and release energy.

Unlike lithium-ion cells that rely on chemical reactions to store power, a process that inherently limits charging speed, supercapacitors store energy electrostatically.

By combining high-speed charging with moderate energy storage, Dell enables a system where devices are ready to use almost immediately.

Dells implementation of this technology in the Pro 7 peripherals eliminates the need to leave devices plugged in overnight or carry spare batteries for critical moments. Are you a pro? Subscribe to our newsletter Sign up to the TechRadar Pro newsletter to get all the top news, opinion, features and guidance your business needs to succeed! Contact me with news and offers from other Future brands Receive email from us on behalf of our trusted partners
or sponsors By submitting your information you agree to the Terms &
Conditions and Privacy Policy and are aged 16 or over.

The company also claims the mouse is the worlds lightest rechargeable
pointing device that does not use a lithium-ion battery.

The compact design makes the devices ideal for mobile professionals, consultants, or anyone moving between hot desks, conference rooms, or home offices.

The keyboard offers quiet keys for minimal disruption, while the mouse delivers precise tracking without requiring heavy batteries. What to read
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This technology could reshape the electric vehicle (EV) industry within the next few years.

EVs rely almost entirely on lithium-ion battery packs that store energy through chemical reactions, and in a typical EV, full charging takes about 30 minutes on fast chargers or several hours using home setups.

That process typically delivers a driving range between 300 and 500 km, depending on the vehicle, but the limitation involves not only charger speed but also the underlying battery chemistry that governs energy storage.

Pushing energy too quickly into lithium-ion cells generates heat, accelerates degradation, and reduces long-term performance reliability.

In theory, an EV powered by supercapacitors could recharge in a few minutes rather than hours under current systems.

Such systems can also handle rapid bursts of energy more efficiently, improving acceleration and regenerative braking performance.

However, there is a trade-off because supercapacitors currently store far
less energy than lithium-ion batteries.

This limitation means vehicles would experience reduced driving range if supercapacitors were used on their own.

Supercapacitors also tend to discharge stored energy more quickly over time, especially when the vehicle remains idle.

A more practical solution involves combining lithium-ion batteries with supercapacitors in a hybrid energy storage system.

This approach could improve charging speed, extend battery lifespan, and enhance performance without sacrificing overall driving range.

The same principle seen in Dells accessories suggests future EV systems may better balance charging speed and endurance. Follow TechRadar on Google News and add us as a preferred source to get our expert news, reviews, and opinion in your feeds. Make sure to click the Follow button!

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