Haven Deer

clean energy,within reach

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

ModelSolar panelsInverterLiFePO4 battery
5kWh610W*8pcs6kW*1pcs5.12kWh*1pcs
10kWh610W*16pcs6kW*2pcs10.24kWh*1pcs
15kWh610W*24pcs6kW*3pcs15.36kWh*1pcs
20kWh610W*32pcs12kW*2pcs10.24kWh*2pcs
30kWh610W*48pcs12kW*3pcs15.36kWh*2pcs
40kWh610W*64pcs12kW*4pcs10.24kWh*4pcs
50kWh610W*80pcs12kW*5pcs10.24kWh*5pcs
60kWh610W*96pcs12kW*6pcs15.36kWh*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.

off-grid solar power system integrates solar panels, inverter, LiFePO4 batteries, and a remotely controllable BMS/EMS

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.

International compliance certificates including CE, RoHS, UN38.3, and MSDS for Haven Deer Off Grid Solar Power Systems, ensuring legal residential installation and certified battery transport.

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 GroupBest For… 
5kWh – 10kWhOff-Grid Cabins, Tiny Homes & Small HouseholdsEssential Backup (Lights, Fridge, TV, Router)
15kWh – 20kWhStandard 3-5 Bedroom HomesFull-House Off-Grid Living (Central AC, Washer, Water Pumps) — Ideal for Wall-Mounted setups to save garage space.
30kWh – 40kWhLuxury Estates & Small OfficesMulti-day Autonomy & Continuous Heavy Loads. Highly recommended to configure with Movable battery packs for flexible positioning.
50kWh – 60kWhEco-Resorts, Farms & Light C&IMicro-Grid Independent Power & Continuous Commercial Loads. Perfect for generator-integrated, non-feed-in off-grid applications.

Parts & Specs

ItemSpecification
System TypeAll-in-One Multi-Input Off-Grid Solar Power System 
Solar Panel TypeHigh-Efficiency Tier-1 Monocrystalline (610W per Banner)
Inverter TypeOff-Grid Hybrid Inverter (Supports PV / Grid / Generator Inputs & Remote Control; Selected models feature dual MPPT and dual AC outputs)
Battery Cell TypeGrade A LiFePO4 (Lithium Iron Phosphate)
Capacity Range5kWh – 60kWh (Modular & Scalable)
Battery Cycle Life10,000+ Deep Cycles
Battery Form FactorsWall-Mounted or Movable (With Industrial Casters) Options
Communication ProtocolsCAN / RS485 (Fully Compatible with Smart BMS Monitoring)
System ProtectionSmart BMS with Over-charge, Over-discharge, Thermal & Short-Circuit Protection
5kWh All-in-One Solar PV & Energy Storage System Specification
Configuration chart of the 5kWh All-in-One Multi-Input Off-Grid Solar Kit showing battery, inverter, solar panels and technical specifications.
Configuration chart of the 10kWh All-in-One Multi-Input Off-Grid Solar Kit showing battery, inverter, solar panels and technical specifications.
15kWh All-in-One Solar PV & Energy Storage System Specification
Configuration chart of the 15kWh All-in-One Multi-Input Off-Grid Solar Kit showing battery, inverter, solar panels and technical specifications.
20kWh All-in-One Solar PV & Energy Storage System Specification
Configuration chart of the 20kWh All-in-One Multi-Input Off-Grid Solar Kit showing battery, inverter, solar panels and technical specifications.
30kWh All-in-One Solar PV & Energy Storage System Specification
Configuration chart of the 30kWh All-in-One Multi-Input Off-Grid Solar Kit showing battery, inverter, solar panels and technical specifications.
40kWh All-in-One Solar PV & Energy Storage System Specification
Configuration chart of the 40kWh All-in-One Multi-Input Off-Grid Solar Kit showing battery, inverter, solar panels and technical specifications.
Configuration chart of the 50kWh All-in-One Multi-Input Off-Grid Solar Kit showing battery, inverter, solar panels and technical specifications.
Configuration chart of the 60kWh All-in-One Multi-Input Off-Grid Solar Kit showing battery, inverter, solar panels and technical specifications.

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.

Haven Deer advanced production line assembling all-in-one solar energy storage systems for residential use.

Residential Energy Storage Production Line

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

Automated battery cell capacity grading process for LiFePO4 cells with precision testing and quality matching before assembly

Precision Cell Pairing with ≤0.5% Capacity Deviation

Capacity deviation between paired cells is controlled within 0.5% for optimal reliability.

Precise cell alignment and stacking process for high-safety LiFePO4 battery modules

Battery Module Assembly & Stacking

Each module is meticulously handled to maintain precision and reliability throughout the battery system.

Industrial 3000W laser welding equipment connecting battery terminals on premium LiFePO4 modules.

3000W Laser Terminal Welding

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

Worker installing high-safety electrical insulation sheets on Haven Deer LiFePO4 battery pack

Insulation Board Installation

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

LiFePO4 battery pack undergoing charge and discharge cycle testing to verify durability, performance, and long-term reliability.

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 compatibility and CAN RS485 communication protocol testing between hybrid inverter and smart BMS.

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.

Export-standard robust wooden crate packing for safe global transport of lithium battery systems

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.

Haven Deer all-in-one off-grid home solar PV and lithium battery storage system kit installed for complete household energy independence.

Eco-Living & Full Off-Grid Independent

Reliable, continuous power for cabins, remote homes, and rural properties where grid access is unavailable or unstable.

A premium residential backup solar ESS kit with non-feed-in smart hybrid inverter, running home appliances safely without grid leakage.

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.

Multi-input off-grid solar energy storage system connected with a diesel generator to power heavy continuous loads on an agricultural farm.

Generator-Integrated Farm Micro-Grid

Supports simultaneous inputs from solar and diesel generators. Automatically switches to generator power under heavy agricultural or irrigation loads.

Movable LiFePO4 battery pack with industrial casters and wall-mounted options integrated into a commercial office backup solar system.

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: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.

To ensure a smooth and compliant delivery of your solar and energy storage systems, we support 100% of international trade terms (including EXW, FOB, CIF, DAP, DDP, and more). Whether you want to manage your own logistics or prefer us to handle everything—including customs clearance and duties—we’ve got you covered.

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

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).

Yes. The system is designed for off-grid operation and can power homes, cabins, farms and remote locations using solar energy.

The LiFePO4 battery provides more than 10,000 cycles and can operate for over 10 years under normal conditions.

Yes. Multiple battery modules can be connected to expand capacity from 5kWh up to 60kWh.

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.

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.

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.

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.

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.

CE, UN38.3, MSDS and other documents are available upon request.

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