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IrelandTechquickie's bigger phone batteries have a swelling problem
Riley Murdock and battery scientist Vincent Chevrier explain why silicon-carbon cells promise more capacity without a proportionally bigger phone.
Techquickie
Story of Why this story? The channel's weekly summary: what went up this week, what is drawing views now, and where the channel stands among similar channels.
7,000mAh Phones Are Here. What's the Catch?
Things we can learn from the video
Press to jump
- 1:04Lithium-ion batteries move lithium between anode and cathode through an electrolyte during charging and discharging.
- 2:18Silicon-carbon batteries replace some graphite in the anode with a composite that can hold more lithium.
- 3:19Chevrier distinguishes silicon's storage advantage by weight from its more constrained gains by volume.
- 5:47Porous carbon structures help accommodate silicon's expansion and limit damage.
- 7:27Murdock connects cautious adoption by Apple and Samsung with expectations for longevity and concerns about degradation.
- 8:54EU energy labels include battery-cycle lifespan ratings worth checking alongside capacity.
More lithium needs more room. In Techquickie's only upload this week, Riley Murdock explains the complication behind a tempting phone upgrade: silicon can store more lithium, but it expands as it does so.
"7,000mAh Phones Are Here. What's the Catch?" reached roughly 73,000 views in its first seven hours. These aren't an entirely separate species of battery. They're lithium-ion cells that replace some graphite in the anode with a silicon-carbon composite. Battery scientist Vincent Chevrier supplies the crucial distinction: silicon's impressive advantage by weight doesn't translate into the same advantage by volume.
Murdock follows that problem into porous carbon structures designed to accommodate expansion, then examines battery degradation and why Apple and Samsung have approached adoption cautiously. The video includes a paid sponsor segment. Its practical closing stretch points viewers toward EU battery-cycle ratings, rather than capacity alone.
The comments have their own specification debate going: viewers ask for watt-hours instead of milliamp-hours when comparing batteries. Others would happily accept a thicker phone for longer life between charges, or bring back removable batteries altogether.
Across the channel, the week brought about 537,000 views, with subscribers unchanged. Daily viewing is running at a little over half its usual level. Nearby in subscriber size, Dave2D is enjoying a pronounced daily lift, while TechSource is closer to its normal rhythm.
The battery explainer carries the strongest momentum now. Behind it, "What is a Homelab?" keeps the focus on running services on your own hardware, while the sponsored "What is Wi-Fi 8" explores reliability, latency and mesh connections rather than simply chasing speed.
Published on Trari
Where next?
What viewers say
Could we at some point stop using the mAh that is voltage dependent and use the Watt-hour (Wh) unit, the true electric capacity measurement.
@emkklaSee it on YouTubeKeep them a decent thickness, and upgrade what you can fit inside safely, not make them the same but slimmer.
@daemon.mythosSee it on YouTubeBring back the removable batteries!!!!
@_Tzebra_See it on YouTube
3 more comments
Excellent timing releasing this video about batteries not long after Technology Connection's video about batteries. It's great to learn more about them :)
@JakeRayTMSee it on YouTubeWhen Riley talked about carbon, was I the only one who was hoping for a carbon nanotubes callback?
@RealGengarTVSee it on YouTubeReally wish we could get thicker phones with bigger batteries than smaller phones. I want a phone that'll last days on a charge.
@GENERIC_CLIPPY_ENJOYERSee it on YouTube
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The videos drawing views on Techquickie right now
- Channel
- Techquickie
- Subscribers
- 4,300,000
- Channel views, last 7 days
- 537,400
- Videos published this week
- 1
- Video published
- October 30, 2026
- Video views so far
- 73,198
The numbers
Here is Techquickie's week in views and subscribers.
💡 Test your knowledge
Which material does silicon partially replace in the battery anodes explained here?
The explainer describes replacing some graphite in the anode with a silicon-carbon composite.