low price small watt mini solar panel 5v to usb home cellphone power bank charge

High cell efficiency PV solar panel with quality silicon material for long term output stability and reliability.
Rigorous quality control to meet the highest international standards.
High transmittance, low iron tempered glass with enhanced stiffness and impact resistance.
Unique frame design with high mechanical strength for easy installation.
Advanced encapsulation material with multilayer sheet lamination to provide long-life and enhanced cell performance.
Outstanding electrical performance under high temperature and low irradiance conditions.
36 Back-Contact polycrystalline Si solar cells (approx. 17.5%).

`Install,vertify the details of environmental conditions,PV modules selection guide.
`Comprehensive technical training and support.
`Installation and acceptance of technical guidance service.
`Trouble diagnosis,trouble clearing technical service.
`Install PV modules,problem sloving,opration,maintenance and other training services.
`Provide a variety of specific spare parts as requested.