Off-Grid Solar Power Systems: 5kWh–60kWh LiFePO4 ESS for Residential & Commercial
This off-grid solar power system integrates Tier-1 solar panels, a multi-input off-grid inverter, Grade-A LiFePO4 batteries, and a remotely controllable BMS/EMS. Ideal for residential and light commercial applications, it is a smart choice whether you lack a reliable power grid or want to cut energy costs.
Quick Specs: Off-Grid Solar Power Systems
| Model | Solar panels | Inverter | LiFePO4 battery |
|---|---|---|---|
| 5kWh | 610W*8pcs | 6kW*1pcs | 5.12kWh*1pcs |
| 10kWh | 610W*16pcs | 6kW*2pcs | 10.24kWh*1pcs |
| 15kWh | 610W*24pcs | 6kW*3pcs | 15.36kWh*1pcs |
| 20kWh | 610W*32pcs | 12kW*2pcs | 10.24kWh*2pcs |
| 30kWh | 610W*48pcs | 12kW*3pcs | 15.36kWh*2pcs |
| 40kWh | 610W*64pcs | 12kW*4pcs | 10.24kWh*4pcs |
| 50kWh | 610W*80pcs | 12kW*5pcs | 10.24kWh*5pcs |
| 60kWh | 610W*96pcs | 12kW*6pcs | 15.36kWh*4pcs |
Tailored to Your Needs: Contact our team for a Free System Design, tailored capacity recommendations, and an official quote.
Low MOQ: 1 set minimum order — perfect for home evaluation, sample testing, or local distribution.
Features: Off-Grid Solar Battery System (5–60kWh Storage)
Power your home or business with complete independence. Haven Deer brings you a fully integrated solar solution that eliminates complex wiring and high utility bills.
Multiple Capacity Options (5kWh – 60kWh)
Scalable power featuring both Space-Saving Wall-Mounted and Heavy-Duty Movable battery packs to seamlessly fit your property layout.
10,000+ Deep Cycle Life
Engineered with premium Grade A lithium cells. It outlasts standard solar batteries by years and remains 100% stable in extreme heat or freezing cold.
Multi-Input Off-Grid Smart Inverter
Intelligently manages power from PV, grid, and diesel generators simultaneously to ensure reliable off-grid performance and total energy independence.
Worry-Free Setup & Support
No complex engineering required. Every system comes with free 1-on-1 remote installation guidance and a solid 5-year factory warranty.
Global OEM/ODM Partner
Need customized voltage, tailored capacity, or your own brand logo? We offer full customization and drop-shipping support for international distributors and installers.

Certifications
Every Haven Deer Off-Grid Solar Power System is manufactured under rigid multi-phase quality tracking. Fully compliant with international safety and transport standard baselines to guarantee risk-free project deployment and compliant global shipping.
CE & RoHS Certified Safety
Fully compliant with European low-voltage, machinery, and battery directives. Features active industrial-grade protection mechanisms ensuring stable standalone operation and intelligent battery management (BMS) under heavy workloads.
Industrial EMC Frameworks (Inverter)
Certified to meet global electromagnetic compatibility standards, including EN 61000-6-1, EN 61000-6-3, and FCC Part 15 Class B. Guarantees zero electrical noise interference with local home appliances.
UN38.3 & MSDS Transport Compliance (Battery)
Our LiFePO4 battery packs are strictly certified with UN38.3 and MSDS protocols. Guaranteed compliance with international maritime and air transport regulations for 9-class hazardous materials, ensuring hassle-free customs clearance.

Buying Guide: Complete Off-Grid Solar System Packages
You can use the table below for a quick rough estimate, then pinpoint your exact needs once your power load is clear. Budget a bit tight? You can always start small and upgrade your capacity down the road.
| Capacity | Target Group | Best For… |
| 5kWh – 10kWh | Off-Grid Cabins, Tiny Homes & Small Households | Essential Backup (Lights, Fridge, TV, Router) |
| 15kWh – 20kWh | Standard 3-5 Bedroom Homes | Full-House Off-Grid Living (Central AC, Washer, Water Pumps) — Ideal for Wall-Mounted setups to save garage space. |
| 30kWh – 40kWh | Luxury Estates & Small Offices | Multi-day Autonomy & Continuous Heavy Loads. Highly recommended to configure with Movable battery packs for flexible positioning. |
| 50kWh – 60kWh | Eco-Resorts, Farms & Light C&I | Micro-Grid Independent Power & Continuous Commercial Loads. Perfect for generator-integrated, non-feed-in off-grid applications. |
Parts & Specs
| Item | Specification |
|---|---|
| System Type | All-in-One Multi-Input Off-Grid Solar Power System |
| Solar Panel Type | High-Efficiency Tier-1 Monocrystalline (610W per Banner) |
| Inverter Type | Off-Grid Hybrid Inverter (Supports PV / Grid / Generator Inputs & Remote Control; Selected models feature dual MPPT and dual AC outputs) |
| Battery Cell Type | Grade A LiFePO4 (Lithium Iron Phosphate) |
| Capacity Range | 5kWh – 60kWh (Modular & Scalable) |
| Battery Cycle Life | 10,000+ Deep Cycles |
| Battery Form Factors | Wall-Mounted or Movable (With Industrial Casters) Options |
| Communication Protocols | CAN / RS485 (Fully Compatible with Smart BMS Monitoring) |
| System Protection | Smart BMS with Over-charge, Over-discharge, Thermal & Short-Circuit Protection |














Download Technical Docs & Spec Sheets
Explore Products: Hybrid Solar Inverter, 5.12kWh & 10.24kWh Home Solar Battery , 15.36kWh off-grid solar battery
Factory Overview
State-of-the-art manufacturing lines for integrated solar ESS kits. We ensure seamless compatibility between inverters and batteries through strict quality control and full-system alignment.

Residential Energy Storage Production Line
Skilled technicians assembling modular residential and commercial energy storage systems, configurable in both wall-mounted and movable designs.

Precision Cell Pairing with ≤0.5% Capacity Deviation
Capacity deviation between paired cells is controlled within 0.5% for optimal reliability.

Battery Module Assembly & Stacking
Each module is meticulously handled to maintain precision and reliability throughout the battery system.

3000W Laser Terminal Welding
Equipped with industrial-grade 3000W laser welding equipment to achieve efficient, accurate, and reliable battery terminal connections.

Insulation Board Installation
High-quality insulation boards are installed between battery components to prevent short circuits and enhance electrical safety and structural stability.

Charge & Discharge Cycle Test
Strict cycling tests are conducted to evaluate battery durability, energy efficiency, and lifespan under simulated real-world off-grid operating conditions.

Full-System Integration & Communication Testing
Each battery pack is connected to its matching hybrid inverter to test CAN/RS485 communication protocols, smart BMS integration, and multi-input auto-switching before shipment.

Professional Packing for Safe Delivery
Robust wooden crates and heavy-duty, UN-certified packaging protect solar panels, inverters, and lithium batteries during international transport, guaranteeing they arrive in perfect condition.
Applications: Off-Grid Solar System for Home & Business
A versatile, Off-grid solar power system engineered with multi-input flexibility, powering everything from remote residential cabins to demanding commercial and agricultural operations.

Eco-Living & Full Off-Grid Independent
Reliable, continuous power for cabins, remote homes, and rural properties where grid access is unavailable or unstable.

Smart Off-Grid Power Backup
Designed for off-grid living and maximum self-sufficiency. Effortlessly harvests PV energy to power your home and guarantees continuous backup power when the main grid goes dark.

Generator-Integrated Farm Micro-Grid
Supports simultaneous inputs from solar and diesel generators. Automatically switches to generator power under heavy agricultural or irrigation loads.

Small Business & Telecom Backup
Provides seamless UPS-level backup power for offices, retail stores, and remote commercial infrastructure to avoid costly blackouts.
Commercial Terms
Payment Channels & Supported Currencies
Payment:SWIFT(T/T) / HK CHATS.
Currencies:AUD, CAD,CHF, CNY, DKK, EUR, GBP, HKD, JPY, NOK, NZD, SGD, USD.
Payment terms:T/T30% deposit paid against your P.O.,70% paid against invoice be issued after pre-shipment inspection.
Global Logistics & Incoterms Compliance
5-Year Warranty & Professional RMA Policy
What You Need to Know Before Buying:
5-Year Coverage:Fully backed by our 5-year hardware warranty.
Hassle-Free Support:Technical claims are verified remotely by our engineering team to provide genuine replacement parts quickly.
Return Terms:All commercial sales are final. Returns are accepted only for verified Dead-on-Arrival (DOA) claims reported within 14 days of delivery, managed via our professional RMA process in compliance with UN-certified transport regulations.
Exclusions:Labor costs for installation/removal, international return freight, and custom-made orders are not covered.
We highly value your infrastructure investment. Please review our full terms prior to finalizing your order.
FAQ
What is an off-grid solar power system?
An off-grid solar power system is a complete energy solution designed for total power independence. It integrates key components including solar panels, LiFePO4 batteries, a hybrid inverter, BMS, and EMS to manage your home’s power seamlessly.
How it works:
Multi-Input Coordination: Balances power from solar, grid, and diesel generators simultaneously.
Smart Output Control: Manages and prioritizes power output based on your different load types (e.g., essential vs. heavy appliances).
Can this system work completely off-grid?
Yes. The system is designed for off-grid operation and can power homes, cabins, farms and remote locations using solar energy.
How long does the battery last?
The LiFePO4 battery provides more than 10,000 cycles and can operate for over 10 years under normal conditions.
Can I expand the battery capacity later?
Yes. Multiple battery modules can be connected to expand capacity from 5kWh up to 60kWh.
What types of solar products do you offer?
We supply inverters, energy storage battery packs, all-in-one energy storage systems, and full kits of solar panels + inverters + battery packs. Contact us to request a quote for your specific setup.
How does you ensure product quality?
We ensure quality at every stage:
Rigorous testing – Each unit undergoes 100% factory testing before shipment
International certifications – CE, RoHS, MSDS, UN38.3, and STA Report
Warranty –5 years standard warranty with technical support
This guarantees long-term, stable performance.
What is your production capacity?
With stock ready for fast delivery and a robust monthly capacity of 5,000 units, we’re fully equipped for both quick orders and large-scale rushes.
Can you guarantee on-time delivery?
We will evaluate delivery feasibility based on your order and production schedule, and only make commitments we can keep. Once we commit, we fully honor it.
Do you support OEM or customized solutions?
We offer ODM/OEM services, but for custom work on electrical architectures, intelligent strategies, and underlying processes, we’ll need to assess your requirements first to determine feasibility.
What certifications are available?
CE, UN38.3, MSDS and other documents are available upon request.