Single-Cell Energy Storage Power Bank (300W/0.3kWh)
Product Overview
This energy storage solution utilizes a single-cell architecture with 300Wh (0.3kWh) capacity and 300W continuous power output. Through high-efficiency DC-DC voltage conversion, it delivers multiple output voltages (3V to 24V) from a single battery cell, suitable for digital device charging and off-peak electricity applications.
Key Features
Multi-voltage output from single cell
Supports 3.7V/5V/9V/12V/20V outputs
±1% voltage regulation accuracy
Advanced power management
≥92% charge/discharge efficiency
Automatic peak/off-peak mode switching
Safety mechanisms
Quad-protection: overcharge/over-discharge/overcurrent/short-circuit
Flame-retardant enclosure
Long service life
≥1,500 cycles (at 80% capacity retention)
Technical Specifications
| Parameter | Specification |
|---|---|
| Cell Type | Li-ion NMC |
| Capacity | 300Wh/81,000mAh |
| Input | Type-C 60W PD |
| USB Output | 5V3A/9V2A/12V1.5A |
| DC Output | 12V5A/20V3A |
| Operating Temp | 0℃~45℃ |
| Dimensions | 180×110×65mm |
| Weight | 1.5kg |
Applications
Digital devices: Charges laptops 5 times (60Wh unit)
Emergency power: Supports WiFi router for 30 hours
Load shifting: Night charging for daytime use
Competitive Advantages
Simplified structure: 60% fewer components vs multi-cell designs
Easy maintenance: 80% lower failure rate
Cost efficiency: 35% production cost reduction
Usage Notes
Recommended monthly full charge-discharge cycle
Storage at 50% charge capacity
Avoid high temperature environments
