charles@yvalleyenergy.com
3.5KW Solar Storage System
Free electricity, complete accessories, plug and play
Turn sunlight into reliable home power with Yuegu's 3.5kW all-in-one solar storage solution. Includes 5kWh LiFePO4 battery, 3.5kW inverter, and 3x550W PV modules (1650W) — ground brackets and solar cable provided. Professional engineer consultation and after-sales support available.
System Specifications Overview
System Rating
3.5kW hybrid inverter (AC continuous output)
Battery Pack
5kWh LiFePO4 (LFP) battery pack — safe, long life, 6000+ cycles
PV Configuration
3 × 550W solar modules (total 1650W) — ground mounting kits and PV cable included
Installation
Plug & play — pre-wired, complete accessories for fast commissioning
Protection
Integrated BMS, overcharge/discharge, short-circuit, over-temperature protections
Monitoring
Optional Wi-Fi / RS485 monitoring and mobile app for real-time status
Warranty
5 years system warranty; 10 years performance on battery; 25 years on PV modules
Typical Daily Output
10-16 kWh per day (site dependent)
Application
Homes, small businesses, off-grid cabins, backup power
Get Your Custom Solar Solution
Our engineers provide system sizing and site-specific configuration. Send your expected loads and site photos for a fast, accurate quotation.
Power Your Daily Appliances
Based on a typical residential load profile, the Yuegu 3.5kW system supports common household appliances as shown below.
Refrigerator
×1
Washing Machine
×1
Television
×2
Lamp Bulbs (LED)
×10+
Note: Actual supported loads depend on appliance starting current, duty cycle and environmental conditions. For heavy-duty appliances or simultaneous continuous loads please request an engineered solution.
Ideal Applications
Residential Homes
Reliable backup and daily energy savings for modern households — ideal for rooftop or ground-mounted PV installations.
Small Shops & Offices
Reduce operating costs and ensure continuity during grid outages for small businesses.
Off-Grid Cabins & Remote Sites
Compact and pre-wired solution for locations without reliable grid access.
Agricultural & Rural Use
Power irrigation pumps, lighting and small equipment in remote agricultural installations.
Why Choose Yuegu 3.5kW
Engineer Consultation
On-demand technical consultation for site-specific design and configuration.
Professional Customization
Modular options to scale capacity and match customer requirements.
Premium LFP Battery
Safe LiFePO4 chemistry with long cycle life and thermal stability.
After-Sales Support
Global technical assistance and spare parts availability.
Plug & Play
Pre-wired kit reduces installation time and simplifies commissioning.
Lower Operating Cost
Reduce electricity bills and protect against rising utility rates — fast ROI.
Upgrade & Related Systems
Need higher power or capacity? Explore compatible products and upgrades.
10kWh 6kW Wall-Mounted All-in-One
Extended autonomy for long outages and heavy-duty appliances.
View Product →Premium 550W PV Module
High-efficiency module to scale array size and increase generation.
View Product →Complete Technical Specifications
| Parameter | Specification |
|---|---|
| System Model | Yuegu 3.5kW All-in-One |
| Inverter Continuous Output | 3500W Pure Sine Wave |
| Peak/Surge (short time) | 7000W (typical, depends on model) |
| Battery Type | LiFePO4 (LFP) 5.0 kWh |
| Nominal Voltage | 48V DC |
| Battery Capacity Options | 5.0 kWh standard (expandable) |
| Battery Cycle Life | >6000 cycles (@80% DOD) |
| PV Input | 3 × 550W (1650W total), MPPT string input |
| MPPT Efficiency | >99% typical |
| AC Voltage | 110/120V or 220/230/240V (region specific) |
| AC Frequency | 50 / 60 Hz auto-detect |
| Communication | Wi-Fi (optional), RS485, CAN |
| Operating Temperature | -10°C to +50°C (14°F to 122°F) |
| Enclosure Rating | IP20 (indoor), optional IP65 kit |
| Protection | BMS (over-voltage, low-voltage, short-circuit, over-temp), inverter protections |
| Monitoring | LCD + optional mobile app monitoring |
| Installation | Plug & Play with ground brackets and solar cables included |
| Certifications | CE, RoHS, IEC relevant standards (test reports available) |
| Warranty | 5 years system / 10 years battery performance / 25 years panels |
Ready to Move to Solar?
Contact our team to get a tailored proposal and installation plan. We provide technical drawings, certifications and full after-sales support.
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