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Lever Product Cataloge
Oct 21, 2026 Download
Technical Support
From installation manuals and datasheets to design tools and troubleshooting guides – everything your team needs to install, maintain, and optimize Lever solar mounting systems with confidence.
FAQ
Installation-related issues
What preparations need to be done before PV installation?
It is necessary to check the roof load-bearing capacity, confirm whether there is long-term shading, communicate with the power grid company for grid-connected conditions, and reserve installation and maintenance space.
How long does the whole PV installation and grid-connection process usually take?
The on-site construction generally takes 3–7 days, and the whole process including application, installation, acceptance and grid connection is about 2–4 weeks, subject to local grid scheduling.
Will installing solar panels damage the original waterproof layer of the roof?
Standard construction uses special waterproof brackets and accessories. Proper installation will not destroy the waterproof layer. We will recheck and repair waterproof points after construction.
What should I pay attention to after the PV system is installed?
Keep the surface of modules clean, avoid stacking debris around them; regularly check cable connectors and monitor power generation data; do not disassemble the equipment without permission.
Product Selection Issues
What is the difference between N-type and P-type solar modules?
N-type modules feature higher conversion efficiency, lower attenuation and better low-light performance, while P-type modules are cost-effective and suitable for conventional projects.
How to choose the power of the inverter for my PV system?
It is matched according to the total power of solar modules, and the recommended module-to-inverter ratio is within a reasonable range combined with local light resources.
Do I need to equip energy storage batteries together with the PV system?
It depends on your demand. Energy storage batteries are recommended if you need off-grid power supply or peak-shaving use; grid-tied systems without storage are enough for most households.
What certificates should qualified PV products have?
Formal PV modules and inverters shall have CQC, CE and other relevant certification reports to ensure safety, reliability and grid access compliance.
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