Charging treasure development program

Under the background of the popularization of mobile devices and the acceleration of Fast Charging technology iteration, charging treasure, as the core carrier of mobile energy solutions, is experiencing the transformation from a “functional tool” to an “intelligent ecological terminal”. In this paper, we will systematically elaborate a future-oriented charging solution from market insight, technical architecture, design innovation, test verification to mass production planning.

Market positioning and demand analysis

Industry Status and Pain Points

Contradiction between capacity and portability: traditional high-capacity chargers are bulky and heavy, while lightweight products have insufficient battery life.

Fragmentation of fast charging protocols: market products support PD, QC, and private protocols (e.g. Huawei SCP, Xiaomi ChargeTurbo) unevenly.

Safety anxiety: overcharging, short circuit, high temperature and other safety hazards still threaten user trust.

Insufficient scene coverage: outdoor, travel, multi-device collaboration and other scene needs are not fully satisfied.

Target User Profile

Core group: business people, students, outdoor enthusiasts, multi-device users.

Differentiated needs:

Business scenarios: lightweight design + multi-interface fast charging + data security encryption;

Outdoor scenario: triple defense design + solar assisted charging + SOS distress function;

Geek group: transparent shell + customizable firmware + expansion module support.

Trend Insight

Technology convergence: Gallium Nitride (GaN) chip miniaturization, graphene heat dissipation, wireless charging reverse power supply;

Ecological interconnection: linkage with cell phones, laptops, IoT devices for intelligent power distribution;

Sustainability: recyclable materials, modular design to extend product life cycle.

Core technology program

Battery selection and capacity planning

Battery cell type:

Li-ion polymer battery (high energy density, suitable for thin and light design);

Lithium Iron Phosphate Battery (long life, high safety, but large size).

Capacity strategy:

Mainly promote 10000mAh (balance between portability and range);

High-end line configuration 20000mAh, support bidirectional 65W fast charging.

Circuit architecture design

Main control chip: adopts domestic programs such as Nanxin and Yingjiexin, supporting multi-protocol adaptive;

Lift-off and voltage module: based on GaN technology to realize more than 90% conversion efficiency;

Safety protection: integrated over-voltage protection (OVP), over-current protection (OCP), temperature monitoring (NTC) triple mechanism.

Wireless charging module

Compatible with Qi 1.3 standard, support 15W magnetic wireless charging (suitable for iPhone/Android);

Reserved coil expansion interface, can be upgraded to more than 30W power in the future.

Industrial design and user experience optimization

Structural design

Shell material:

Mainstream models: fireproof PC + ABS alloy (impact resistance, anti-scratch);

High-end models: aviation-grade aluminum alloy (CNC integrated molding, heat dissipation performance increased by 30%).

Heat dissipation program:

Internally filled with thermally conductive silicone pads;

The surface is designed with micro-perforation arrays to enhance passive heat dissipation efficiency.

Interactive Innovation

Intelligent digital display: display real-time battery level, output power, charging mode;

Physical button: short press to switch between fast charging/low current mode (suitable for Bluetooth headset);

Magnetic interface: seamless adsorption with the phone case, supporting one-handed blind plugging.

Interface Layout

Dual Type-C ports (input + output) + USB-A port (compatible with old devices);

Hidden Lightning adapter (for Apple eco-users).

Functional Innovation and Ecological Expansion

Differentiated Function Points

Solar-assisted charging: optional folding solar panel, outdoor range increased by 50%;

Intelligent power failure memory: automatically record the last use mode to avoid repeated settings;

Emergency lighting: integrated high-brightness LED light beads, support SOS blinking mode.

IoT ecological linkage

Connect to cell phone APP via Bluetooth/Wi-Fi to realize:

Power level remote monitoring;

Charging strategy customization (e.g. prioritize full phone or laptop);

Firmware online upgrade (support new protocol expansion).

Test Verification and Certification

Performance Test

Capacity retention rate ≥85% after 500 cycles of charging and discharging;

Temperature control below 45℃ in fast charging mode.

Safety certification

Passed CE, FCC, RoHS and other international standards;

Completed drop test (1.5 meters height, 2 times on each of the 6 sides).

User experience test

Recruit 100 users for 30 days of real-world testing to collect feedback on grip, button feedback, charging speed, and so on.

Mass production planning and cost control

Supply Chain Management

Core components (battery core, main control chip) strategically cooperate with ATL, TI and other head manufacturers;

Mold development adopts 3D printing for quick verification, shortening the cycle to 45 days.

Cost Control

Reduce labor cost through SMT patch automated production;

High-end models share 70% of parts with standard models to realize scale effect.

Environmental Compliance

Biodegradable bamboo pulp material is used for the outer packaging;

The battery cell recycling program cooperates with third-party organizations.

A successful rechargeable battery needs to balance performance, safety and user experience. Through modular design, ecological interconnection and sustainable concepts, the product can be upgraded from a “charging tool” to a “personal energy manager”. In the future, with the maturity of solid-state batteries, wireless charging matrix and other technologies, the charging treasure may evolve into the core node of the mobile energy network, redefining the relationship between people and energy.