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5.2KG 21.9V Portable Power Bank for Photovoltaic Power Generation
Key Specifications
Attribute
Value
Nominal Voltage
21.9V±0.1V
Nominal Capacity
460WH
Charging Voltage
DC 12-24V
Maximum Charging Current
10A-5A
Discharge Cutoff Voltage
16.5V
Weight
5.2KG
Size
270×210×220MM
Shape Options
Flat, Curved, Angled
Corrosion Resistance
Yes
Color
Customized
Capacity Options
500WH, 1150WH
Product Features
Design & Construction:
High energy density lithium battery cells with large capacity
Durable shell made of high-strength engineering plastic or metal alloy
Professional circuit design with comprehensive protection systems
Optimized heat dissipation with ventilation structures
Performance Characteristics:
High power output for multiple devices
Multiple output interfaces including AC sockets, USB-A, USB-C, and DC
Extended battery life for prolonged usage
Intelligent charging management for various device types
Application Scenarios
Ideal for outdoor activities, commercial exhibitions, emergency backup power, mobile offices, and service vehicles.
Product Images
Customization Available: Contact us for customized color, capacity, and shape options to meet your specific requirements.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2006
Total Annual:
5000000-10000000
Employee Number:
50~100
Ecer Certification:
Verified Supplier
Tianjin Liwei New Energy Technology Co., Ltd., formerly known as Tianjin Lingwei Photovoltaic Technology Co., Ltd., was founded in 2006. It has a professional automated production workshop and R&D team. It is a domestic manufacturer specializing in the research and development, production, opera... Tianjin Liwei New Energy Technology Co., Ltd., formerly known as Tianjin Lingwei Photovoltaic Technology Co., Ltd., was founded in 2006. It has a professional automated production workshop and R&D team. It is a domestic manufacturer specializing in the research and development, production, opera...