Off-Grid Solar Kit 12kW 48V 120V/240V 25.6kWh LiFePO4 12×415W Solar Panels (SGR-12K20E)

Residential Solar Kits — 12kW 25.6kWh 415W Complete Off-Grid System

The residential solar kits category at 12kW demands more than raw inverter output — it demands the battery capacity, generation volume and system completeness that enables genuine primary-residence energy independence. The SGR-12K20E delivers all three: 12,000W of split-phase 120V/240V output, 12 × 415W monocrystalline panels producing approximately 20kWh per day, 25.6kWh of LiFePO4 battery storage in an enclosed cabinet and the complete hardware package for a residential installation. This is the solar panel residential kits specification that covers large homes, farms and rural properties seeking complete off-grid independence at a price point that makes residential solar investment genuinely compelling.

Table of Contents

1. Kit Contents
2. System Specifications
3. 25.6kWh Storage with Enclosed Cabinet
4. 12×415W Solar Array
5. 12kW 120V/240V Split-Phase Performance
6. Home Solar Installation Kit Completeness
7. Expandability
8. FAQ

Kit Contents — SGR-12K20E

• 1 × 12,000W 48V DC 120V/240V AC Output
• 12 × 415W Monocrystalline Solar Panels
• 5 × 100AH 51.2V LiFePO4 Battery (25.6kWh)
• 1 × Enclosed Battery Cabinet (5×100AH)
• 2 × 100A MPPT Solar Charge Controller
• 2 Sets × 50ft Solar Extension Cables (Inverter PV Input)
• 2 Sets × Cable Between Battery and MPPT Controller
• 12 × Sets Mounting Z-Brackets
• 1 × 400A DC Breaker
• 2 × 25A PV Breaker

System Specifications

25.6kWh Storage with Enclosed Cabinet

The SGR-12K20E’s 25.6kWh battery bank — five 100AH 51.2V LiFePO4 batteries in an enclosed professional cabinet — is the largest battery storage of any 12kW single-inverter kit in this range. At 25.6kWh, this system provides:

• Full overnight coverage for large residential properties through a complete overnight period
• Multi-day cloudy-weather resilience before any backup generation requirement
• Substantial depth-of-discharge management that extends battery service life
• Capacity headroom for high simultaneous loads without overnight depletion risk

The enclosed battery cabinet organises five batteries in a single ventilated professional housing — a specification that matters for residential solar kits installations where a clean, safe, professional battery installation is required. Unlike loose battery arrangements, the cabinet provides structural organisation, managed ventilation and a defined safety perimeter appropriate for residential mechanical rooms and utility spaces.

12×415W Solar Array

Twelve 415W monocrystalline panels deliver 4,980W of generation — producing approximately 20kWh per day under four hours of peak sun. For solar panel residential kits buyers comparing generation versus consumption, 20kWh daily covers the average North American household (20–30kWh/day) at the lower-to-mid range — appropriate for energy-efficient large homes and properties with a consumption-management approach to residential solar.

The dual 100A MPPT charge controllers enable the 12-panel array to be divided into two independent charging strings — providing operational flexibility and charge controller redundancy that single-controller systems cannot offer.

12kW 120V/240V Split-Phase Performance

At 12,000W of continuous split-phase output, the SGR-12K20E handles every significant residential load simultaneously: central air conditioning, well pump, electric water heater, washer, dryer, full kitchen appliance load, workshop tools, whole-home lighting and entertainment systems.

For solar powered systems for homes buyers evaluating 10kW versus 12kW options, the 2kW additional continuous capacity of the SGR-12K20E provides meaningful headroom for properties that regularly operate multiple high-draw loads simultaneously — preventing the inverter load warnings and output limiting that undersized 10kW systems produce in these scenarios.

Home Solar Installation Kit Completeness

The SGR-12K20E meets the full definition of a home solar installation kit — including every component required for commissioning without hidden add-on purchases:

• 400A DC main breaker and 25A PV breakers for circuit protection
• Battery-to-MPPT cable sets for direct battery bank connection
• Solar extension cables for panel string routing
• Mounting Z-brackets for standard rooftop panel installation
• Enclosed battery cabinet for professional battery housing

No separate hardware sourcing required. Everything in the box.

Expandability

Add more LiFePO4 batteries for storage beyond 25.6kWh. Add more panels for generation beyond 20kWh daily. The inverter platform supports parallel expansion for output growth. The SGR-12K20E is built to grow with residential energy needs.

Explore the full residential solar kit range in our Solar Kits, Off-Grid Solar Systems and Solar Panels categories.

FAQ

What makes the SGR-12K20E one of the best residential solar kits? The SGR-12K20E stands out among residential solar kits through its combination of 12kW continuous output, 25.6kWh of LiFePO4 battery storage (the largest battery bank in any single-inverter 12kW kit in this range), enclosed battery cabinet, dual 100A MPPT controllers and full installation hardware. The larger battery bank provides superior overnight and cloudy-day resilience compared to 12kW competitors with 10.24kWh storage.

What is the difference between this kit and the SGK-12MAX? The SGR-12K20E uses 415W standard monocrystalline panels and 25.6kWh battery storage (5 × 100AH). The SGK-12MAX uses 450W Bifacial N-Type panels and 10.24kWh battery storage (4 × 200AH Bluetooth). The SGR-12K20E prioritises larger battery storage — better for overnight and cloudy-day resilience. The SGK-12MAX prioritises advanced N-Type bifacial panel technology and Bluetooth battery monitoring. Choose based on whether storage capacity or panel technology advancement is your primary priority.

What is the daily generation from this solar panel residential kits configuration? This solar panel residential kits configuration of 12 × 415W panels produces approximately 20kWh per day under four hours of peak sun — sufficient to cover average residential consumption for energy-efficient large homes and to fully recharge the 25.6kWh battery bank daily.

Does this home solar installation kit include an enclosed battery cabinet? Yes — the SGR-12K20E includes a professional enclosed battery cabinet designed to house the five 100AH LiFePO4 batteries in a single organised, ventilated housing. This cabinet is included in the kit and provides professional-grade battery organisation appropriate for residential mechanical rooms and utility spaces.

Are these solar powered systems for homes expandable? Yes — additional LiFePO4 batteries can be added for storage beyond 25.6kWh. Additional solar panels increase daily generation. The inverter platform supports parallel expansion for output growth. The SGR-12K20E is designed as an expandable residential solar foundation rather than a fixed-capacity system.