FYESS BATTERY: The Smarter Way To Store Your Solar Power
Imagine harnessing the full power of the sun, day and night. The FYESS PYOLAR wall-mounted lithium battery system turns this vision into reality, providing a robust and intelligent energy storage solution for your home or business. Engineered for performance, safety, and effortless integration, it's the key to unlocking true energy independence and maximizing your solar investment.
01
Power Your Life, Uncompromised On Safety
Your peace of mind is our priority. Built with ultra-stable Lithium Iron Phosphate (LFP) chemistry, the solar battery is renowned for its exceptional safety profile and outstanding lifespan. It's designed to deliver over 6000 cycles, ensuring reliable power for years to come. This isn't just a battery; it's a long-term commitment to sustainable energy.
02
Intelligence At Its Core
Every battery unit features a built-in smart Battery Management System (BMS) that acts as its own brain. It continuously optimizes performance, protects against irregularities, and ensures every kilowatt-hour is used with maximum efficiency. This smart technology guarantees that your system operates flawlessly, providing power precisely when you need it most.
03
Designed For Simplicity, Built For Savings
We believe powerful technology should be simple to use. Our sleek, space-saving wall-mount design requires minimal setup-think plug-and-play. This drastically reduces installation complexity and cost. By storing excess solar energy, the fysolar battery slashes your electricity bills, allowing you to consume your own clean power around the clock and see a faster return on your investment.
04
Seamless Compatibility, Certified Reliability
Worried about compatibility? Don't be. Supporting both CAN and RS485 communication, the lifeop4 battery integrates smoothly with most leading hybrid inverters. Furthermore, its credentials are backed by rigorous international certifications including CB, CE, and UN38.3, making it a trusted and globally recognized product.
05
Our company is located in China,has been engaged in the new energy industry for over ten years and possesses rich knowledge and experience. We have a sophisticated supply chain in each module of new energy, capable of providing customers with high-quality, cost-effective and even more excellent services.
For products that match batteries, such as solar panels and inverters, we also have relatively in-depth cooperation with many well-known brands. All customers are welcome to inquire about prices with our company. We will provide you with quotations in a timely manner and offer occasional promotional product.

FEATURES
Expansion Flexibility
Modular design,supportbatteryin parallel
Easy Installation
Wall mounted or floor mounted,savinginstallation time and cost
Safe & Reliable
Lithium Iron Phosphate(LFP)cellBMS fuse are built in
Environment Adaptability
Wider temperature range:-10°C~55°C.
IP65 protection class
Perfect Compatibility
Compatible to most lowvoltage inverters in the market
Long Lifespan
15-20 years desianed lifespan, mc6000 cycles (0.5c,25°C)

Monitor AND OPTIMIZE
Customize Settings to achieve a personalized savings plan
Keep in touch at all times so that you can receive timely notifications in case of bad weather
Reduce management energy








Wide Compatibility

Certificate

About Us

FY Solar | 10+ Years Solar & Energy Storage Specialist | Factory Direct
With over 10 years of deep expertise in the solar and energy storage industry, FY Solar is a vertically integrated manufacturer and distributor serving global distributors, installers, and EPC contractors.
We manufacture our own branded lithium batteries and solar panels - giving you factory-direct pricing with zero middleman markup. Our product portfolio spans the full solar ecosystem: solar panels, inverters, lithium batteries, complete solar systems, and commercial & industrial (C&I) energy storage solutions.
Customized service
Quality assurance
Online service
Online service




Product Parameters
| Battery Specifications | ||
| Model No | FY-BG-5.12KWH | FY-BG-10.24KWH |
| Battery Chemistry | LFP(LiFePO4) | |
| Rated Voltage | 51.2V | |
| Capacity | 100AH | 200AH |
| Energy | 5.12KWh | 10.12KWh |
| Max.charge Voltage | 58Vdc | |
| Max.discharge Voltage | 42Vdc | |
| Max.charge Current | 100A | 150A |
| Max.discharge Current | 100A | 150A |
| Dimension (W*H*D) | 680*40*16mm | 680*40*16mm |
| Gross weight | 45kgs | 84.5kgs |
| DOD@25℃ | ≥90%DOD | |
| Warranty Period | 5 years | |
| Installation | Wallmounted | |
| Communication Port | CAN2.0,RS485 | |
| Cycle Life | ≥6000cls(25±2°℃,0.5C/0.5C) | |
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