Inside the chong yue: A 6.4mm Solid-State Power Bank Review

The market for portable power is saturated with options, yet most share a common compromise: a bulky form factor dictated by the constraints of conventional liquid-electrolyte batteries. The chong yue solid-state power bank enters this space with a proposition centered on a fundamentally different battery architecture, enabling a design that is just 6.4mm thin. This review examines the technology behind its slim profile, its practical applications for users of Apple devices, and what backers need to know about its ongoing Kickstarter campaign.

Quick Answer: Is the chong yue Solid-State Power Bank a Credible Leap Forward?

Yes, the chong yue power bank represents a significant step in portable charging technology, primarily due to its use of an all-solid-state battery. This allows for an exceptionally thin 6.4mm profile in its 5000mAh model without compromising on safety or durability, as evidenced by its 18.5kN crush-proof rating. It consolidates charging for an iPhone, Apple Watch, and AirPods into a single device with both wired and wireless outputs. Having already attracted over 971 backers and secured more than HK$ 726,297 in funding, the project shows strong market interest, positioning it as a compelling option for those seeking a safer, more compact power solution.

1. The market context: why this matters now

For years, the design of power banks has been tethered to the cylindrical or prismatic shapes of lithium-ion cells, which rely on a liquid electrolyte. While energy density has improved, this core technology presents inherent limitations in form factor and safety, with risks of leakage and thermal runaway. The industry trend is moving towards consolidation, where users want a single accessory to power their entire ecosystem of personal devices. Mainstream solutions have addressed this with multiple ports and wireless pads, but often at the cost of increased bulk. The chong yue power bank positions itself at the intersection of these challenges, utilizing solid-state battery technology not just as an incremental improvement, but as a foundational shift that enables a thinner, more robust, and potentially safer class of device.

2. All-Solid-State Battery Core: A Foundation of Safety and Durability

The defining feature of this power bank is its all-solid-state battery. Unlike traditional lithium-ion batteries that use a flammable liquid electrolyte to ferry ions, this device uses a solid material. This architectural change directly addresses some of the most persistent safety concerns in battery technology. Without a liquid, the risk of leakage is eliminated, and the battery is far more resilient to physical damage. The chong yue team reports that the cell has passed a series of demanding stress tests, including a nail penetration test, exposure to 135°C in an oven, and withstanding an 18.5kN crush force. The company states these tests align with the new 2026 national standard for safety, indicating a focus on building a product that is not just powerful but exceptionally stable under extreme conditions, providing a level of physical security that liquid-based cells struggle to match.

3. 6.4mm Thin Profile: Redefining Portability

The practical benefit of the solid-state architecture is immediately apparent in the device's dimensions. The 5000mAh model measures just 6.4mm in thickness and weighs 95 grams. This ultra-slim profile moves the power bank from being a distinct 'brick' you carry in a bag to an accessory that can be slipped into a jeans pocket or even sit behind a phone without creating significant bulk. This level of portability changes how and when a user might carry extra power. Instead of being a deliberate choice for a long day or a trip, it can become an everyday carry item, much like a wallet or keys. The chassis, crafted from precision-machined aluminum and glass, provides a rigid and premium feel that complements its advanced internals, making it feel less like a utility item and more like a well-designed piece of personal electronics.

4. A Consolidated Charging Hub for the Apple Ecosystem

Beyond its battery technology, the chong yue power bank is engineered for convenience, particularly for users invested in Apple's ecosystem. The device offers multiple charging methods in one compact unit. It delivers up to 20W of wired charging via its USB-C output, suitable for fast-charging an iPhone. Concurrently, it features a 15W MagSafe-compatible magnetic wireless charging pad for iPhones, a dedicated 3W wireless charging spot for an Apple Watch, and can also wirelessly charge compatible AirPods cases. This multi-function design eliminates the need to carry separate chargers and cables for each device. For a traveler or a minimalist professional, this consolidation is a powerful value proposition, decluttering bags and simplifying the daily ritual of keeping devices powered up. The total output of 5V-3A indicates that power is shared when multiple devices are charged simultaneously.

5. AI Battery Management and All-Climate Performance

Intelligent power delivery is another key aspect of the chong yue's design. The device incorporates an AI-powered Battery Management System (BMS) that actively monitors voltage, current, and temperature in real-time. This system does more than just prevent overcharging; it optimizes the power output to protect the battery health of the connected devices, such as an iPhone, while also preserving the longevity of the power bank itself. This intelligent oversight is complemented by impressive environmental resilience. The team reports the power bank operates reliably in a wide temperature range, from a frigid -25°C to a hot 55°C. It can also withstand thermal shocks from -40°C to 72°C. This all-climate capability ensures that whether a user is on a winter expedition or in a desert environment, the power bank is engineered to function dependably, a critical feature for a device meant for travel and outdoor use.

6. Specifications at a glance

The chong yue power bank is available in two main configurations, with the specifications listed below.

7. The trade-offs backers should know

While the technology is promising, potential backers should consider a few key trade-offs before committing.

• First-Time Crowdfunding Creator: The chong yue brand is listed as a 'First created' project on Kickstarter. While the parent company, Shenzhen Yihai New Energy Technology, was founded in 2015 and specializes in battery technology, executing a global crowdfunding campaign involves distinct challenges in manufacturing, logistics, and communication that are new to the team in this context.
• Capacity vs. Thinness: The headline-grabbing 6.4mm thickness applies specifically to the 5000mAh model. Backers who need more power must opt for the 10000mAh model, which at 14mm is more than twice as thick and significantly heavier (185g vs 95g). This is a direct trade-off between portability and endurance.
• Premium Pricing: The projected MSRP of $109 for the 5000mAh all-solid-state model places it in the premium tier of the power bank market. While the Kickstarter pledges offer a substantial discount, the price is justified by the novel solid-state technology and slim design rather than pure cost-per-mAh, which is a value calculation each backer must make.

8. Behind the product

The campaign is run by the team at chong yue, which is the consumer-facing brand of Shenzhen Yihai New Energy Technology Co., Ltd. Founded in 2015 and based in Shenzhen, China, the company identifies itself as a high-tech enterprise focused on developing in-situ solid-state battery solutions. Their stated mission is to create safer, long-life battery products for a range of industries, including consumer electronics, robotics, and drones. This background in battery research and development provides a strong technical foundation for the product, even though this is their first hardware campaign on the Kickstarter platform. Their expertise appears to be in the core technology itself, which is a reassuring sign for a project built around a new battery architecture.

9. What backing looks like

The campaign for the chong yue solid-state power bank has gained significant traction, with over 971 backers contributing more than HK$ 726,297 to bring the project to life. Several pledge tiers are available, with the 'Launch Special' for the 5000mAh All-Solid-State model offered at $65, a 46% discount from the planned $109 MSRP. A higher-capacity 10000mAh all-solid-state version is available for $75. It is important to note that some lower-priced tiers, such as the '5000mAh Smart Display' model, use a semi-solid-state battery. The project timeline indicates that after the crowdfunding phase concludes in October 2026, production will commence in October 2026, with the first units scheduled for shipping to backers in October 2026. As with any crowdfunded project, this timeline is an estimate and subject to change based on manufacturing realities.

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FAQ: chong yue Solid-State Power Bank

Answers to common questions about the chong yue power bank and its Kickstarter campaign.

What is the main difference between solid-state and traditional power banks?

The primary difference lies in the battery's core chemistry. Traditional power banks use lithium-ion batteries with a liquid or gel polymer electrolyte, which can be flammable and prone to leakage if damaged. The chong yue uses an all-solid-state battery, which replaces the liquid electrolyte with a solid material. This design significantly enhances safety by making the battery more resistant to puncture, crushing, and high temperatures, virtually eliminating the risk of fire or leakage. This stability also allows for a more compact and energy-dense cell structure, which is why the chong yue can achieve its ultra-thin 6.4mm profile without compromising on durability or safety.

How much does the chong yue power bank cost during the campaign?

During the Kickstarter campaign, the chong yue power bank is available at a significant discount compared to its future retail price. For example, the 'Launch Special' for the 5000mAh All-Solid-State model is priced at $65, which the campaign states is 46% off the planned $109 MSRP. The 10000mAh All-Solid-State version is available for a pledge of $75, a 47% discount off its $129 MSRP. There are also duo packs available for further savings and lower-priced tiers for a semi-solid-state version. These early-bird prices are exclusive to the crowdfunding campaign and are designed to reward initial backers who support the project before it enters mass production.

Is the chong yue power bank compatible with non-Apple devices?

Yes, it is broadly compatible with many non-Apple devices. The power bank features a standard USB-C port that delivers up to 20W of power, which can be used to charge a wide range of devices, including Android smartphones, tablets, and other electronics that support USB-C charging. While the main wireless charging surface is magnetic and designed for MagSafe compatibility with iPhones, it is based on the Qi standard, so it may wirelessly charge other Qi-enabled devices, though the magnetic alignment will not work. The dedicated Apple Watch charger, however, is specific to that device and will not charge other smartwatches.

What are the risks of backing this Kickstarter project?

As with any crowdfunding campaign, there are inherent risks involved. The primary risk is the potential for delays in production and shipping. The chong yue team has provided an estimated shipping date of October 2026, but unforeseen challenges in component sourcing, manufacturing, or international logistics could push this timeline back. Another consideration is that this is the creator's first project on Kickstarter. While their parent company has experience in battery technology since 2015, navigating the specific pressures of a large-scale consumer product launch via crowdfunding is a different challenge. Backers should be prepared for this possibility and understand that they are supporting a project in development, not purchasing a product from inventory.

Can I charge multiple devices at the same time?

Yes, the chong yue power bank is designed to charge multiple devices simultaneously. For instance, you can charge an iPhone via the wired USB-C connection while also wirelessly charging an Apple Watch on its dedicated magnetic puck. It is also possible to use the main wireless pad and the watch charger at the same time. However, it's important to note the device's 'Total Output' is listed as 5V-3A (15W). This means the total power is shared across all outputs when used concurrently. As a result, charging speeds for each device will be lower than when charging a single device on its own, which might deliver up to 20W wired or 15W wireless.