A Guide to Selecting Portable Energy Storage Power Supplies Driving Demand for Rice Cookers

I. Key Parameters

1.

Continuous output power must meet standards

2.

· Rice cookers are high-power appliances, and ordinary small power banks are not up to the task. Be sure to choose products labeled "continuous output power" rather than "peak power," and this value must be ≥ the rice cooker's rated power.

Example: If the rice cooker's power is 700W, the power supply must support at least 700W of continuous AC output. Some products may claim "2000W peak power" but may only offer a continuous output of 500W, so careful selection is recommended.

3.

Battery capacity determines operating life

4.

· Calculation formula: Usable time (hours) = Total battery energy (Wh) ÷ Rice cooker power (W) × Efficiency factor (approximately 0.8-0.9).

Example: A 1000Wh power supply can power a 700W rice cooker for approximately 1.2 hours (enough to complete the cooking process). If you plan to use the power supply multiple times or use it with other devices, we recommend choosing a larger capacity.

5.

Pure sine wave output is essential.

6.

· Low-quality power supplies use a "modified sine wave" output, which can cause uneven heating, electromagnetic noise, and even damage the circuit. Be sure to choose a product clearly labeled "Pure Sine Wave."

II. Essential Features and Design Details

· Multi-port output capability: In addition to an AC port, it is recommended to have a USB-A/C port and a car charger port to simultaneously power devices such as mobile phones and lights, enhancing practicality.

· Overheating/overload protection: Prolonged high-load operation can pose a safety hazard. A high-quality power supply should have an automatic shut-off function.

· Battery indicator: Prefer models with an LCD display to display the remaining battery and input/output power in real time, preventing unexpected power outages.

· Scalability: If you plan to use the power supply outdoors for an extended period, choose a model that supports MPPT solar charging, allowing you to supplement the power with solar panels for a sustainable power supply solution. 3. Flexible Selection by Scenario

Home Emergency Backup (Occasional Use)

Features: Minimum capacity is not required; emphasis is placed on portability and immediate usability.

Recommended: Battery capacity of 500-1000Wh, continuous output power of approximately 800W.

Typical products: Zhenghao ECO FLOW River Pro (768Wh/800W), Jackery Explorer 500Plus (518Wh/1000W).

Outdoor Camping/RV Lifestyle (Frequent Use)

Features: Requires the ability to power multiple devices, such as rice cookers, electric blankets, and lighting, requiring long battery life and stability.

Recommended: Battery capacity of 1500Wh or greater, continuous output power of 1500W or greater, and support for solar charging expansion.

Typical products: ECOFLOW DELTA 1300 (1260Wh/1800W), Bluetti AC200P (2000Wh/2000W). IV. Tips for Avoiding Pitfalls

· Beware of inflated specifications: Some low-priced products falsely advertise "peak power," but their actual continuous output is far lower than advertised. It's recommended to refer to third-party test data or user reviews.

· Importance of Certification Marks: Prefer brands with UL and CE certifications to ensure safety and compliance.

· Cable and Interface Compatibility: Confirm that the power supply's built-in AC outlet type (GB/US standard, etc.) matches the rice cooker's plug. Provide adapters if necessary.

V. Practical Recommendations

1. Test the load beforehand: When using for the first time, connect the rice cooker to the power supply to see if it can start stably. Avoid overloading it by sharing it with other devices.

2. Reserve Redundancy: When selecting a power supply, it's recommended that the continuous output power be 20%-30% higher than the rice cooker's rated power to cope with the high current surge at startup.

3. Pay attention to heat dissipation design: High-power discharge significantly increases the internal temperature of the power supply. Prefer models with active cooling fans to extend the lifespan. Summary: A portable power bank suitable for rice cookers must meet three key requirements: continuous output power ≥ the rice cooker's rated power, pure sine wave output, and sufficient battery capacity. Choosing the appropriate capacity based on the usage scenario and focusing on safety certification and heat dissipation design will ensure a stable and reliable power experience.