Sustainable Charging Solution for Outdoor Enthusiasts
The Promate SOLARTANK-20PDQI combines advanced solar charging technology with a high-capacity 20000mAh power reserve. This innovative power bank harnesses renewable energy through its integrated solar panel, consequently reducing dependency on traditional power sources. The SOLARTANK-20PDQI serves as a reliable power companion for extended outdoor activities and emergency situations.
Multi-Charging Technology Integration
The SOLARTANK-20PDQI features a versatile charging ecosystem:
- USB-C port with 20W Power Delivery for accelerated charging
- Dual USB-A ports supporting 12W output per port
- 10W Qi wireless charging pad for compatible devices
- Integrated solar panel generating 1.5W in optimal sunlight conditions
Furthermore, the SOLARTANK-20PDQI implements pass-through charging capability, allowing it to simultaneously charge connected devices while being recharged itself.
Rugged Environmental Protection
The SOLARTANK-20PDQI is engineered for outdoor resilience with:
- IP67 water and dust resistance rating
- Reinforced rubber corner protection
- Impact-resistant polycarbonate shell
- Temperature operational range from -10°C to 45°C
These protective elements ensure the SOLARTANK-20PDQI maintains functionality in challenging environments, from rain-soaked hiking trails to dusty camping sites.
Intelligent Power Management System
The SOLARTANK-20PDQI incorporates advanced power regulation features:
- Dynamic current adjustment based on connected device requirements
- Automatic power conservation mode during periods of inactivity
- Solar charging efficiency optimization
- Multi-level protection against short circuits, overcharging, and temperature fluctuations
As a result, the SOLARTANK-20PDQI maximizes both charging efficiency and battery longevity.
Enhanced User Interface
The SOLARTANK-20PDQI provides clear operational feedback through:
- LED power level indicators displaying remaining capacity in 25% increments
- Solar charging indicator light
- Port activity indicators
- Wireless charging status light
Additionally, the tactile power button requires a deliberate 2-second press, preventing accidental activation during transport.
Ideal Users for the SOLARTANK-20PDQI
- Hiking and backpacking enthusiasts who need reliable power during multi-day treks – the solar panel provides supplementary charging when grid power is unavailable
- Camping and outdoor adventurers requiring weather-resistant power solutions – the IP67 rating ensures functionality in diverse environmental conditions
- Emergency preparedness planners seeking sustainable backup power – the solar charging capability offers critical device power during extended grid outages
- Eco-conscious travelers looking to reduce their carbon footprint – solar replenishment reduces dependency on conventional electricity sources
- Photography and drone operators working in remote locations – the 20W PD output efficiently recharges camera batteries and controllers
Technical Specifications
Power Capacity
- Battery: 20000mAh / 74Wh Lithium Polymer
- Rated Capacity: 12000mAh (at 5V/3A)
- Battery Life Cycle: 500+ complete charges
- Self-Discharge Rate: Less than 3% per month
Input Specifications
- USB-C Input: 5V/3A, 9V/2.22A, 12V/1.67A (20W maximum)
- Solar Panel Input: 5V/300mA (1.5W) under optimal sunlight
- Full Recharge Time: Approximately 6 hours via USB-C PD
- Solar Charging Time: 40-80 hours (dependent on sunlight intensity)
Output Specifications
- USB-C PD Output: 5V/3A, 9V/2.22A, 12V/1.67A (20W maximum)
- USB-A Output (each port): 5V/2.4A (12W maximum)
- Wireless Charging Output: 10W maximum for Qi-compatible devices
- Maximum Combined Output: 22.5W across all ports
Solar Panel
- Type: Monocrystalline silicon
- Efficiency Rating: 22%
- Surface Area: 12 sq. cm
- Protective Layer: Scratch-resistant tempered glass
Physical Specifications
- Dimensions: 15.8 × 7.9 × 2.3 cm
- Weight: 455g
- Material: Reinforced polycarbonate with rubberized edges
- Available Colors: Black with orange accents, Green with black accents
Environmental Ratings
- Water/Dust Resistance: IP67 certified
- Impact Resistance: Drop-tested from 1.2 meters
- Operating Temperature: -10°C to 45°C
- Storage Temperature: -20°C to 60°C
Safety Features
- Over-voltage protection
- Short-circuit protection
- Over-temperature protection
- Foreign object detection for wireless charging
- Low-voltage charging protection
- Input surge protection
Package Contents
- Promate SOLARTANK-20PDQI Solar Power Bank
- USB-C to USB-C charging cable (30cm)
- User manual
- Carabiner attachment
- 18-month manufacturer warranty card
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