21.1kW Complete Solar Kit - Sol-Ark 18K Inverter - 28-40kWh Lithium Battery [ELITE PRO]
Complete Solar Panel Kit - 2,000W Pure Sine Wave Inverter + [12V Battery Bank] + 2 x 200W Mono Solar Panels | Off-Grid, Mobile, Backup [LPK-PLUS] - ShopSolar.com
19.2kW Complete Solar Power System - 2 x Sol-Ark 15K's + [28.6kWh-61.4kWh Battery Bank] + 48 x 400W Mono Solar Panels | Includes Schematic [HPK-PRO] - ShopSolar.com
19.2kW Complete Solar Power System - 2 x Sol-Ark 15K's + [28.6kWh-61.4kWh Battery Bank] + 48 x 400W Mono Solar Panels | Includes Schematic [HPK-PRO] - ShopSolar.com
21.1kW Complete Solar Kit - Sol-Ark 18K Inverter - 28-40kWh Lithium Battery [ELITE PRO]
Sol-Ark Inverter | Choose Option: 8K, 12K, 15K - 120/240/208V 48V [All-In-One] Pre-Wired Hybrid Solar Inverter | 10-Year Warranty - ShopSolar.com
21.1kW Complete Solar Kit - Sol-Ark 18K Inverter - 28-40kWh Lithium Battery [ELITE PRO]
21.1kW Complete Solar Kit - Sol-Ark 18K Inverter - 28-40kWh Lithium Battery [ELITE PRO]
Sol-Ark Inverter | Choose Option: 8K, 12K, 15K - 120/240/208V 48V [All-In-One] Pre-Wired Hybrid Solar Inverter | 10-Year Warranty - ShopSolar.com
19.2kW Complete Solar Power System - 2 x Sol-Ark 15K's + [28.6kWh-61.4kWh Battery Bank] + 48 x 400W Mono Solar Panels | Includes Schematic [HPK-PRO] - ShopSolar.com
Sol-Ark Inverter | Choose Option: 8K, 12K, 15K - 120/240/208V 48V [All-In-One] Pre-Wired Hybrid Solar Inverter | 10-Year Warranty - ShopSolar.com
19.2kW Complete Solar Power System - 2 x Sol-Ark 15K's + [28.6kWh-61.4kWh Battery Bank] + 48 x 400W Mono Solar Panels | Includes Schematic [HPK-PRO] - ShopSolar.com
19.2kW Complete Solar Power System - 2 x Sol-Ark 15K's + [28.6kWh-61.4kWh Battery Bank] + 48 x 400W Mono Solar Panels | Includes Schematic [HPK-PRO] - ShopSolar.com
19.2kW Complete Solar Power System - 2 x Sol-Ark 15K's + [28.6kWh-61.4kWh Battery Bank] + 48 x 400W Mono Solar Panels | Includes Schematic [HPK-PRO] - ShopSolar.com
19.2kW Complete Solar Power System - 2 x Sol-Ark 15K's + [28.6kWh-61.4kWh Battery Bank] + 48 x 400W Mono Solar Panels | Includes Schematic [HPK-PRO] - ShopSolar.com
19.2kW Complete Solar Power System - 2 x Sol-Ark 15K's + [28.6kWh-61.4kWh Battery Bank] + 48 x 400W Mono Solar Panels | Includes Schematic [HPK-PRO] - ShopSolar.com

ELITE · Solar Kit

SKU: ELITE-PRO-RENON-XCELLENT-ROOF

Best seller

ELITE PRO 21.12kW Complete Solar Kit

4.9 34 owner reviews·  100% would recommend
Trustpilot

ELITE PRO tops the ELITE line with a Sol-Ark 18K inverter, a 32-40.96kWh lithium battery bank and a 48-panel array, built for power-hungry homes, large off-grid setups or light commercial use.

Capacity 32 to 40.96kWh, depending on the battery
Output 18,000W continuous / 36,000W surge (10s), single Sol-Ark 18K inverter
Solar array 48 x 440W panels (21.12kW)
Warranty 10 years inverter & batteries; 25 years solar panels

Choose this kit if…

  • You have high-demand loads like multiple AC units, an EV charger or a pool heater running at the same time.
  • You need heavy surge capacity to start industrial-sized motors or compressors without dips.
  • You want to peak-shave on a large scale or keep a warehouse, clinic or farm running through extended outages.

Choose your options

Battery Bank
Solar Panel Racking

Smaller Renon capacity with IronRidge roof racking

What’s in the box

  • 48 x 440W Monocrystalline Solar Panels (21,120 Watts) - 25years Linear Performance Warranty
  • 1 x Sol-Ark 18K-2P Premium Hybrid Inverter - 10-Year Warranty
  • 2 x RENON Xcellent Plus [32kWh ]Battery - 10 Year Warranty
  • 1 x PV Roof Mount Set
  • Custom wiring diagram and commissioning guide
  • All required cables, connectors and fuses
$29,789.00
$29,789.00
$33,028.00
You save $3,239.00
Pay over time at checkout.
Talk it through with our team  ·  877-242-2792
Orders processed in 24–48 hours
Lifetime support by phone, chat & email
30-day returns
Full manufacturer warranty
Trusted by 50,000+ Customers powered since 2018
Lifetime Support Phone, email or live chat, for good
Price Match Found it cheaper? Tell us
Ships from the USA Warehouses in CA, TX and NY

Not sure which kit is right?

Tell us what you want to power and we will size the system with you, free, before and after you buy. The team picks up the phone Mon–Thu 10am–5:30pm and Fri 10am–1pm EST.

Get a free system proposal →info@shopsolarkits.com
“Love that I could scale my system simply by snapping in six more batteries—no compatibility headaches. All install parts (rails, cables, connectors, even the detailed schematic) came in the box, so I wrapped up assembly in about a week.”
Braulio T. Verified owner

Frequently bought together

ELITE PRO 21.12kW · RENON XC PLUS - 32kWh - Code Compliant - Premium - Closed Loop / Roof Rack - Standard - IronRidge $29,789.00

Specifications

The numbers

Solar array
48 x 440W panels (21.12kW)
Battery storage
32 to 40.96kWh, depending on the battery
Continuous output
18,000W continuous / 36,000W surge (10s), single Sol-Ark 18K inverter
System voltage
48V
Battery chemistry
Lithium
Warranty
10 years inverter & batteries; 25 years solar panels

In plain English

What that means for you

How long it lasts

What it can run

Size of solar array

Install effort

Room to grow

Scales are the ShopSolar team's read of the manufacturer's published specs.

Overview

Power that grows with you.

Formerly known as the HPK-PRO, the newly branded ELITE PRO is the top of our ELITE line, featuring the Sol-Ark 18K Hybrid Inverter. This system is designed for those who need massive throughput and total energy security. With a nearly 20,000W solar array and a massive battery bank, the ELITE-PRO is a perfect option for power hungry homes, large off-grid set-ups or even light commercial operations.  

ELITE Power Kits come with all the parts and pieces you need to get up and running. Engineered for a DIY-friendly experience, they are designed so that a homeowner can comfortably handle the majority of the installation, while remaining simple enough for a local professional to step in and finalize the connection quickly.

Typical Uses: What Can It Run?

  • Whole-Home Autonomy: Effortlessly manages high-demand loads, including multiple central AC units, EV fast chargers, well pumps, and electric pool heaters simultaneously.

  • Massive Surge Capacity: With 18,000W of continuous power and a 36,000W surge capacity, this system easily handles the startup of industrial-sized motors and heavy compressors.

  • Advanced Peak Shaving: Reduce utility costs on a massive scale by shifting your entire home or business to battery power during the most expensive peak-rate hours.

  • Multi-Day Energy Security: Provides the massive battery reservoir needed to sustain a large property through extended grid outages or long stretches of cloudy weather.

  • Light Commercial & Agriculture: Ideal protection for warehouses, medical clinics, or modern farms that require zero-downtime, utility-grade power reliability.

  • Outbuildings & Structures: High-capacity power for large shops, professional garages, barns, and ADUs across your property—no trenching or new utility lines required.

What’s Included in Your Kit:

  • 21,120W Solar Array: 48 x Phono Draco 440W N-type TOPCon Tier-1 Mono Bifacial Solar Panels featuring a 30-year performance warranty.

  • Sol-Ark 18K Hybrid Inverter: A top-tier all-in-one unit with 18kW continuous output and a massive 200A grid passthrough capacity.

  • 28.6 – 40.96kWh LFP Batteries: Premium lithium iron phosphate storage designed for high-performance daily cycling with a 10-year warranty (Choose your configuration above).

  • Battery Mounting: Includes a professional rack and mounting hardware to securely organize and protect your high-capacity battery bank.

  • Complete Cable Package: All necessary pre-cut cables, including 6 x 100ft & 6 x 10ft PV extensions cables and a 5ft heavy-duty battery cable for a straightforward installation.

  • Safety & Protection: Includes all required DC disconnects and fuse kits to meet the highest safety standards.

Technical Specifications at a Glance

  • Total Solar Wattage: 21,120W

  • Total Battery Capacity: 28.6 – 40.96kWh

  • System Voltage: 48VDC

  • Inverter Rated Power: 18,000W Continuous / 36,000W Surge (10s)

  • Solar Input Capacity: Up to 32,400W Max Supported PV Power

  • Solar Panel Warranty: 25-Years

Support & Coverage

  • Full manufacturer warranties on all included components.

  • Lifetime technical support from the dedicated ShopSolar team.

  • Access to detailed setup diagrams, wiring schematics, and commissioning guides.

Installation Overview

Most ShopSolar customers install the majority of the system themselves using our provided diagrams and support resources. Final electrical connections can be completed by a local electrician if required. Our technical support team is available throughout the process to ensure a smooth installation from delivery to system startup.

Order Today

All orders are shipped using our innovative packaging and custom pallets, designed for safe, secure delivery to your door. Backed by our free lifetime support, you can order today and secure your energy independence once and for all.

Braulio T., verified owner: “Installed in Puerto Rico, my home now experiences zero power outages”

Choose your kit

Build it around your home.

Every option comes with the kit's inverter, panels and wiring. You choose the battery bank, and how the panels are mounted.

  1. Choose your battery bank A bigger bank keeps you running longer when the grid is down. The table below puts every option side by side.
  2. Pick your racking A roof rack or a ground mount, or handle your own racking if you already have a way to mount the panels.
  3. Let us help you set it up Every order comes with our setup guide and lifetime support from the team, before and long after delivery.
PYTES V5 Server Rack · 40.96kWh PYTES V5 Server Rack · 40.96kWh PYTES V5 Server Rack · 40.96kWh RENON XC PLUS · 32kWh RENON XC PLUS · 32kWh RENON XC PLUS · 32kWh DISCOVER HELIOS · 32.2kWh DISCOVER HELIOS · 32.2kWh DISCOVER HELIOS · 32.2kWh
Price $29,889.00$33,479.00 Save $3,590.00 $34,189.00$38,299.00 Save $4,110.00 $38,689.00$43,339.00 Save $4,650.00 $25,689.00$28,324.00 Save $2,635.00 $29,789.00$33,028.00 Save $3,239.00 $34,689.00$38,628.00 Save $3,939.00 $25,889.00$29,659.00 Save $3,770.00 $29,689.00$34,259.00 Save $4,570.00 $34,589.00$38,959.00 Save $4,370.00
Battery BankPYTES V5 Server Rack - 40.96kWh - Code Compliant - Premium - Closed LoopPYTES V5 Server Rack - 40.96kWh - Code Compliant - Premium - Closed LoopPYTES V5 Server Rack - 40.96kWh - Code Compliant - Premium - Closed LoopRENON XC PLUS - 32kWh - Code Compliant - Premium - Closed LoopRENON XC PLUS - 32kWh - Code Compliant - Premium - Closed LoopRENON XC PLUS - 32kWh - Code Compliant - Premium - Closed LoopDISCOVER HELIOS - 32.2kWh - Code Compliant - Premium - Closed LoopDISCOVER HELIOS - 32.2kWh - Code Compliant - Premium - Closed LoopDISCOVER HELIOS - 32.2kWh - Code Compliant - Premium - Closed Loop
Solar Panel RackingI’ll Handle My Own RackingRoof Rack - Standard - IronRidgeGround Mount - Seasonal Adjust - SkyRack HDI’ll Handle My Own RackingRoof Rack - Standard - IronRidgeGround Mount - Seasonal Adjust - SkyRack HDI’ll Handle My Own RackingRoof Rack - Standard - IronRidgeGround Mount - Seasonal Adjust - SkyRack HD
Best forLargest capacity Pytes battery, bring your own rackingLargest capacity Pytes battery with IronRidge roof rackingLargest capacity Pytes battery with ground-mount rackingSmaller Renon capacity, bring your own rackingSmaller Renon capacity with IronRidge roof rackingSmaller Renon capacity with ground-mount rackingDiscover battery, bring your own rackingDiscover battery with IronRidge roof rackingDiscover battery with ground-mount racking
  • 48 x 440W Monocrystalline Solar Panels (21,120 Watts) - 25years Linear Performance Warranty
  • 1 x Sol-Ark 18K-2P Premium Hybrid Inverter - 10-Year Warranty
  • 8 x Pytes V5 [40.96kWh] 48V 100Ah LiFePO4 V2 - 10 Year Warranty
  • Custom wiring diagram and commissioning guide
  • All required cables, connectors and fuses
  • 48 x 440W Monocrystalline Solar Panels (21,120 Watts) - 25years Linear Performance Warranty
  • 1 x Sol-Ark 18K-2P Premium Hybrid Inverter - 10-Year Warranty
  • 8 x Pytes V5 [40.96kWh] 48V 100Ah LiFePO4 V2 - 10 Year Warranty
  • 1 x PV Roof Mount Set
  • Custom wiring diagram and commissioning guide
  • All required cables, connectors and fuses
  • 48 x 440W Monocrystalline Solar Panels (21,120 Watts) - 25years Linear Performance Warranty
  • 1 x Sol-Ark 18K-2P Premium Hybrid Inverter - 10-Year Warranty
  • 8 x Pytes V5 [40.96kWh] 48V 100Ah LiFePO4 V2 - 10 Year Warranty
  • 1 x PV Ground Mount Set
  • Custom wiring diagram and commissioning guide
  • All required cables, connectors and fuses
  • 48 x 440W Monocrystalline Solar Panels (21,120 Watts) - 25years Linear Performance Warranty
  • 1 x Sol-Ark 18K-2P Premium Hybrid Inverter - 10-Year Warranty
  • 2 x RENON Xcellent Plus [32kWh ]Battery - 10 Year Warranty
  • All required cables, connectors and fuses
  • 48 x 440W Monocrystalline Solar Panels (21,120 Watts) - 25years Linear Performance Warranty
  • 1 x Sol-Ark 18K-2P Premium Hybrid Inverter - 10-Year Warranty
  • 2 x RENON Xcellent Plus [32kWh ]Battery - 10 Year Warranty
  • 1 x PV Roof Mount Set
  • Custom wiring diagram and commissioning guide
  • All required cables, connectors and fuses
  • 48 x 440W Monocrystalline Solar Panels (21,120 Watts) - 25years Linear Performance Warranty
  • 1 x Sol-Ark 18K-2P Premium Hybrid Inverter - 10-Year Warranty
  • 2 x RENON Xcellent Plus [32kWh ]Battery - 10 Year Warranty
  • 1 x PV Ground Mount Set
  • Custom wiring diagram and commissioning guide
  • All required cables, connectors and fuses
  • 48 x 440W Monocrystalline Solar Panels (21,120 Watts) - 25years Linear Performance Warranty
  • 1 x Sol-Ark 18K-2P Premium Hybrid Inverter - 10-Year Warranty
  • 2 x Discover HELIOS ESS 16.1kWh LiFePO4 Battery - 10-Year Warranty
  • Custom wiring diagram and commissioning guide
  • All required cables, connectors and fuses
  • 48 x 440W Monocrystalline Solar Panels (21,120 Watts) - 25years Linear Performance Warranty
  • 1 x Sol-Ark 18K-2P Premium Hybrid Inverter - 10-Year Warranty
  • 2 x Discover HELIOS ESS 16.1kWh LiFePO4 Battery - 10-Year Warranty
  • 1 x PV Roof Mount Set
  • Custom wiring diagram and commissioning guide
  • All required cables, connectors and fuses
  • 48 x 440W Monocrystalline Solar Panels (21,120 Watts) - 25years Linear Performance Warranty
  • 1 x Sol-Ark 18K-2P Premium Hybrid Inverter - 10-Year Warranty
  • 2 x Discover HELIOS ESS 16.1kWh LiFePO4 Battery - 10-Year Warranty
  • 1 x PV Ground Mount Set
  • Custom wiring diagram and commissioning guide
  • All required cables, connectors and fuses

What it powers

What it keeps running when the grid goes down.

Estimated run times on one fully charged unit, from the manufacturer's published figures. Add panels and it keeps topping itself up.

113days

LED lights · 10W

28days

CPAP machine · 40W

10days

50" TV · 110W

17days

Fridge · 120W

21days

Chest freezer · 100W

1.1days

Microwave · 1,000W

What owners told us

“Had a power outage so I figured perfect timing, this unit ran freezer, fridge, all the electrical outlets, all the lighting (Led) the insta hot propane water heater.”
James G.Verified owner

Owner stories

Real homes, cabins and campsites. Their photos, their words.

4.9 34 reviews

100% would recommend

Quality  4.93 / 5

Easy to Use  4.97 / 5

“Installed in Puerto Rico, my home now experiences zero power outages. Panels and inverters perform rock-solid under full sun, and the overall build quality is superb.”
Braulio T.Verified owner
“complete kit, great specs on battery, competitive price.”
Anne K.Verified owner
“Had a power outage so I figured perfect timing, this unit ran freezer, fridge, all the electrical outlets, all the lighting (Led) the insta hot propane water heater.”
James G.Verified owner
“System is amazing and totally off grid!!”
Chad M.Verified owner
“This product is amazing!! I super recommend it.”
Pepe p.Verified owner

Questions & answers

Asked by shoppers, answered by our team.

No questions yet. Ask our team anything about this product and we'll answer it here.

Trustpilot

What customers say about us.

Read our reviews on Trustpilot

Lifetime support

Real people, for the life of your system.

You get free, direct access to our support team by phone, email and chat. Whether it's setup guidance next week or troubleshooting years down the road, we're here to help.

877-242-2792Mon–Thu 10am–5:30pm · Fri 10am–1pm EST
Live chatAvailable now
info@shopsolarkits.comFor in-depth guidance

FAQ

Questions, answered.

Can't find what you need? The team is a phone call away.

Call 877-242-2792
Can you help with system sizing and design?

Yes. Our team can help you choose the right solar kit based on your goals, power needs, and location. We provide personalized guidance before and after your purchase at no additional cost.

Many of our customers complete the majority of installation themselves using our diagrams and support resources. For final electrical connections, a licensed electrician may be required depending on local codes.

While we do not directly install systems, we can help connect you with qualified local professionals and provide technical documentation to support your installer.

Our team works hard to process all orders within 24-48 hours. Most products ship directly to your door using the quickest, most cost effective ground shipping services depending on size. You'll receive tracking details and delivery coordination as soon as your order ships. Our average shipping times are anywhere from 3-7 days.

Our return policy is normally 30 days. If you have specific questions about returns, eligibility, or specific product conditions, you can learn more in our help center.

All products are backed by full manufacturer warranties. In addition, our team provides free lifetime technical support to assist you throughout the life of your system.

Yes! We offer a variety of flexible payment plans to fit any budget. Options include monthly financing with competitive interest rates, and some plans require no money down. You can apply during checkout and get approved in minutes.