1. Children's toys, remote control background
   The development background of children's toys involves multiple aspects. The following are the main contents:
Social and economic development
▲ Increase in family income: With the development of the global economy, the disposable income of families has increased. Parents have more funds to spend on their children's entertainment and education. The demand and consumption capacity for children's toys are constantly rising, which has driven the prosperity of the toy market.
▲ Transformation of consumption concepts: Modern parents pay more attention to the all-round development of their children, recognize the importance of toys in children's growth, and are willing to purchase all kinds of toys for their children, ranging from traditional entertainment toys to educational and intellectual toys, which has promoted the enrichment of toy types and the segmentation of the market.
Children's development needs
▲ Physical and mental development needs: Children of different ages have different development needs in terms of cognition, emotion, and movement, and toys have become an important tool to meet these needs. For instance, babies need brightly colored and soft-textured toys to stimulate sensory development, while young children need toys like building blocks to cultivate their hands-on ability and creativity.
▲ The combination of education and entertainment: Modern educational concepts emphasize learning through play, and the integration of toys and education is becoming increasingly close. Many toy designs incorporate educational elements, such as science experiment toys and programming toys, which not only allow children to enjoy the fun of playing but also enable them to acquire knowledge and skills.
Technological innovation promotion
▲ Material technology advancements: New materials are constantly emerging, such as eco-friendly plastics, silicone, and plush, making toys safer, more durable, more comfortable, and with better texture and appearance.
▲ Application of electronic technology: The application of electronic technology in toys is becoming increasingly widespread, giving rise to smart toys, electronic learning machines, etc. These toys are interactive, interesting and educational. They can have conversations and play games with children, stimulating their interest in learning.
▲ Manufacturing process improvement: Advanced manufacturing processes such as 3D printing and laser cutting have made toy production more efficient and precise, enabling more complex designs and shapes, and enhancing the quality and production efficiency of toys.

Cultural and market factors
▲ The integration of cultural elements: The development of cultural industries such as films, animations, and games has provided toys with abundant IP resources. Toys based on popular film, television and anime characters are deeply loved by children, such as various cartoon toys from Disney and Star Wars series toys, etc. Culture and the toy industry promote each other.
▲ Market competition and Innovation: The toy market is highly competitive, which prompts enterprises to constantly innovate and launch novel and unique toy products. Meanwhile, the globalized market enables toys from various countries to communicate and integrate with each other, enriching the types and styles of toys.
   New energy lithium batteries, with their advantages of high energy density, long cycle life and environmental friendliness, have gradually become the preferred solution for lithium batteries in children's toy products. This solution is designed to meet the application requirements of lithium batteries in children's toy products, ensuring that lithium batteries can provide safe, efficient and customized power solutions in special fields

II. Analysis of Equipment Demand Characteristics
1. Equipment application characteristics
▲ Equipment type: It is used in various industries of work and people's lives in daily life.
▲ Working environment: Temperature range, from -20℃ to +70℃, high-temperature, high-humidity environments, etc.
▲ Power demand: Large continuous/peak power, long battery life, and the voltage platform generally adopts 3.7V or 7.4V and other voltage platforms.

2. Core requirements for lithium batteries
▲ High safety: Meets the explosion-proof, shock-proof, waterproof and anti-interference requirements of the equipment under harsh working conditions.
▲ Long cycle life: ≥500 times (80% capacity retention rate).
▲ Fast charging: Supports 1 to 2 hours of fast charging, suitable for high-intensity work.
▲ High-power discharge: The battery supports continuous high-current discharge, meeting the high-current requirements of high-power devices and ensuring their continuous and stable operation.
▲ Intelligent management: The BMS (Battery Management System) is equipped with functions such as overcharge protection, overdischarge protection, overcurrent protection, short-circuit protection, temperature protection, and fault diagnosis, making the battery more intelligent.
▲ Discharge temperature range: -20℃ to +70℃. In a low-temperature environment of -20℃, the battery's discharge efficiency is over 70%. A wider range of ambient temperature adaptability.
▲ Charging temperature: -20 ℃ to +50℃ range, with a wider adaptability to environmental temperatures.

III. Scheme Design
1. Battery selection
▲ Cell types: Ternary lithium batteries (ultra-low temperature, high energy density, high safety), lithium iron phosphate batteries (ultra-low temperature, high safety, long life), sodium-ion batteries (high safety, long life, good low-temperature performance). Different system cells are selected and matched according to different application scenarios.
▲ Battery combination configuration structure: Series and parallel schemes are designed based on the required voltage and capacity of the equipment to meet the requirements of different output voltage platforms.
▲ Structural design: IP65 to IP68 protection grade, shock-resistant structure, explosion-proof enclosure (suitable for extreme environments or flammable and explosive environments).

2. BMS Management System
Core functions:
▲ Real-time monitoring of the voltage, temperature, SOC (State of Charge), and SOH (State of Health) of individual battery cells.
▲ The battery charging active balancing technology enhances the consistency of usage among battery cells and extends the lifespan of the battery pack.
▲ The I2C/SMBUS/CAN/RS485 communication interface enables data interaction and communication with the main control system of the equipment.
▲ The Coulomb computing method makes the battery SOC more accurate and the battery smarter.

3. Charging solution
▲ Charging equipment: Customized smart charger, supporting constant current and constant voltage (CC-CV) charging.
▲ Charging strategy: Select fast charging or slow charging mode based on the working conditions to prevent battery overload.
▲ Intelligent control and management: Based on the technical performance characteristics of the battery, the battery charging process and fault diagnosis are intelligently controlled.

IV. Safety and Compliance
1. Safety protection
▲ Thermal management: By adopting a reasonable structural layout, thermal runaway can be reduced. Air cooling/physical cooling systems can be used (for high-power scenarios) to ensure temperature uniformity during battery use and effectively control battery thermal runaway.
▲ Fault protection: Multiple hardware protection mechanisms such as overcharge, overdischarge, short circuit, overcurrent, and over-temperature.
▲ Fault protection: Multiple hardware protection mechanisms such as short circuit, overcurrent, and over-temperature.
▲ Explosion-proof certification: The design can pass various safety regulations certifications.

2. Standard compliance
▲ It complies with national standards such as GB31241-2022 (Safety Technical Specification for Lithium-ion Batteries and Battery Packs for Portable Electronic Products), GB 17761-2024 (Safety Technical Specification for Electric Bicycles), GB/T 34131 (Lithium Batteries for Power Storage), GB 38031 (Safety Requirements for Batteries for Electric Vehicles), etc.
▲ How to obtain domestic and international certifications: GB certification, UN38.3 certification, UL certification, IEC certification, CE certification and other various certification requirements;

V. Project Implementation Plan

VI. Economic Benefit Analysis
1.In terms of cost
▲ Toy products have advantages such as low raw material costs, low production costs, and low market sales costs.
2. Energy-saving benefits:
▲ It significantly reduces the consumption of electrical energy, decreases the demand for heat dissipation, and extends the service life of the equipment.
3. Maintenance cost:
▲ The design is intelligent, easy to clean and maintain, and has low storage costs.

Vii. After-sales Service
1. Warranty period: 1 to 5 years of after-sales warranty, with a lifespan of over 500 to 1,000 cycles (whichever comes first).
2. Remote monitoring: According to the actual demand status, the cloud platform provides real-time monitoring of the battery status and early warning of potential faults.
3. Emergency Response: Respond within 4 hours, provide solutions within 8 hours, and offer on-site technical support within 24 to 48 hours.

Hint:
▲ The plan needs to be refined based on specific equipment parameters (such as voltage, capacity, and size limitations).
▲ If special environments are involved, corresponding protective designs need to be added.
▲ It is recommended to conduct joint debugging with the equipment manufacturer to ensure that the battery is compatible with the entire machine system