Campus Ideaz

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smartphones (2)

ChargeGo- Self-Charging Phone Case

Problem Being Solved-

Running out of phone battery is something almost everyone has experienced—and usually at the worst possible moment. Whether it’s while traveling, commuting, attending classes, or working, a dead phone instantly cuts us off from essentials like maps, communication, payments, and even emergency help. The solutions we rely on today—power banks or bulky charging cases—aren’t ideal. They need separate charging, add extra weight, and are easy to forget at home. This shows the need for a simple, everyday solution that works on its own and keeps us powered without effort.

Current Gaps in the Market-

Most charging solutions fix only part of the problem. Power banks are useful, but they’re no good if you forget to charge or carry them. Charging cases add bulk and make phones uncomfortable to use. More importantly, neither of these options can generate power continuously on their own. This leaves people vulnerable to unexpected battery drain, especially when they’re on the move. What’s missing is a lightweight, eco-friendly system that charges passively, without depending entirely on the user’s memory or effort.

Proposed Solution: ChargeGo

ChargeGo is a slim, lightweight phone case that works as a self-charging system. The back of the case has solar cells to capture sunlight and kinetic charging technology that turns movement, like walking or commuting, into electricity. This energy is stored in a thin lithium-polymer battery built right into the case. A microcontroller manages the charging process, while an LED indicator shows how much reserve power is left. It also supports USB-C fast charging for quick top-ups when needed. Together, these features make sure that even on long days, users have backup power at hand—without carrying anything extra.

Who Benefits?

ChargeGo can help just about anyone who owns a smartphone—students who spend long days on campus, professionals who travel frequently, families dealing with power cuts, or even outdoor enthusiasts. Beyond individuals, it reduces the need for disposable power banks, helping the environment by cutting down e-waste.

Why This Problem Matters To Me?

This idea matters to me because I’ve personally faced the stress of my phone dying in the middle of travel, during long college days, or right when I needed it most. Carrying a power bank often feels like extra baggage, and forgetting it has left me stranded more than once. With ChargeGo, I imagine a future where staying connected isn’t a constant worry. It’s not just a gadget—it’s peace of mind, convenience, and sustainability rolled into one smart everyday accessory.

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These days, smartphones have become very necessary, but they also bombard us with endless notifications. Food delivery ads, random sales offers, game promotions, all compete for our attention. This barrage of alerts makes it easy to miss critical notifications like OTPs, warnings, delivery updates or important texts and mails. This results in one always being distracted and stressed.

One of the current solutions is “Do Not Disturb” mode. It applies restrictions on notifications and calls and users can also enable app-by-app notification controls. But this only partly address the issue as its too manual and time-consuming resulting in users being too intimidated to even start keeping settings. None of these methods understand context or prioritize anything automatically. This is the gap in the current market.

The solution is to build a Smart Notification Filter powered by AI. The filter would categorize incoming notifications into three lists: Urgent (e.g., OTPs, reminders, calls), Useful (delivery updates, calendar events), and Promotional (ads, sales, spam). The system will learn from user behaviour like what they click, what they clear, and at what times they interact with them. For example, if I always ignore food coupons but instantly open my college mails, the filter will adjust and push college mails to the top while hiding promotional spam.

Beneficiaries:

  • Users get peace of mind, less distractions, and less risk of missing urgent notifications.
  • Companies/OS makers (like Apple, Google, or smartphone brands) benefit by offering a premium feature, improving user experience thereby increasing customer loyalty.
  • Society benefits indirectly through healthier and more focused habits.

This problem matters to me because I experience it everyday, receiving hundreds of notifications and sometimes even missing important academic related mails due to it.

Technical Details: The system can use Natural Language Processing (NLP) to analyze notification text, sender identity, and past user actions. It is lightweight on-device machine learning models and it ensures privacy while still learning user preferences. Notifications can then be displayed in a priority inbox style, with urgent ones highlighted and promotional ones batched for later review.

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