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1.6kW Off-Grid Solar Kit - Dual Rich Solar 3K Inverters - 5-7kWh Lithium Battery [CORE MAX]
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1.6kW Off-Grid Solar Kit - Dual Rich Solar 3K Inverters - 5-7kWh Lithium Battery [CORE MAX]
1.6kW Off-Grid Solar Kit - Dual Rich Solar 3K Inverters - 5-7kWh Lithium Battery [CORE MAX]
Complete Off-Grid Solar Kit - 4,000W 120/240V Output [2.4kWh-5.2kWh 12V Battery Bank] + 3 x 200W Mono Solar Panels | Off-Grid, Mobile, Backup [RPK-MAX] - ShopSolar.com
1.6kW Off-Grid Solar Kit - Dual Rich Solar 3K Inverters - 5-7kWh Lithium Battery [CORE MAX]
1.6kW Off-Grid Solar Kit - Dual Rich Solar 3K Inverters - 5-7kWh Lithium Battery [CORE MAX]
1.6kW Off-Grid Solar Kit - Dual Rich Solar 3K Inverters - 5-7kWh Lithium Battery [CORE MAX]
1.6kW Off-Grid Solar Kit - Dual Rich Solar 3K Inverters - 5-7kWh Lithium Battery [CORE MAX]
1.6kW Off-Grid Solar Kit - Dual Rich Solar 3K Inverters - 5-7kWh Lithium Battery [CORE MAX]
1.6kW Off-Grid Solar Kit - Dual Rich Solar 3K Inverters - 5-7kWh Lithium Battery [CORE MAX]
Complete Off-Grid Solar Kit - 4,000W 120/240V Output [2.4kWh-5.2kWh 12V Battery Bank] + 3 x 200W Mono Solar Panels | Off-Grid, Mobile, Backup [RPK-MAX] - ShopSolar.com
Complete Off-Grid Solar Kit - 4,000W 120/240V Output [2.4kWh-5.2kWh 12V Battery Bank] + 3 x 200W Mono Solar Panels | Off-Grid, Mobile, Backup [RPK-MAX] - ShopSolar.com
Complete Off-Grid Solar Kit - 4,000W 120/240V Output [2.4kWh-5.2kWh 12V Battery Bank] + 3 x 200W Mono Solar Panels | Off-Grid, Mobile, Backup [RPK-MAX] - ShopSolar.com
Complete Off-Grid Solar Kit - 4,000W 120/240V Output [2.4kWh-5.2kWh 12V Battery Bank] + 3 x 200W Mono Solar Panels | Off-Grid, Mobile, Backup [RPK-MAX] - ShopSolar.com
Complete Off-Grid Solar Kit - 4,000W 120/240V Output [2.4kWh-5.2kWh 12V Battery Bank] + 3 x 200W Mono Solar Panels | Off-Grid, Mobile, Backup [RPK-MAX] - ShopSolar.com
Complete Off-Grid Solar Kit - 4,000W 120/240V Output [2.4kWh-5.2kWh 12V Battery Bank] + 3 x 200W Mono Solar Panels | Off-Grid, Mobile, Backup [RPK-MAX] - ShopSolar.com
Complete Off-Grid Solar Kit - 4,000W 120/240V Output [2.4kWh-5.2kWh 12V Battery Bank] + 3 x 200W Mono Solar Panels | Off-Grid, Mobile, Backup [RPK-MAX] - ShopSolar.com
1.6kW Off-Grid Solar Kit - Dual Rich Solar 3K Inverters - 5-7kWh Lithium Battery [CORE MAX]
1.6kW Off-Grid Solar Kit - Dual Rich Solar 3K Inverters - 5-7kWh Lithium Battery [CORE MAX]

CORE · Solar Kit

SKU: CORE-MAX-LFP2

Best seller

CORE MAX 1.6kW Complete Solar Kit

4.8 37 owner reviews·  97% would recommend

An off-grid solar kit with a 1.6kW panel array (8 x 200W panels), dual 3,000W hybrid inverters and a choice of 5.12kWh or 7.68kWh lithium battery storage, designed for DIY installation in cabins, sheds or small off-grid buildings.

Solar array 1.6kW, 8 x 200W panels
Battery storage 5.12kWh or 7.68kWh, by bundle
Inverters 2 x 3,000W 24V hybrid inverters
Panel warranty 25 years

Choose this kit if…

  • You're powering a cabin, shed, workshop, barn or tiny home with no easy grid connection.
  • You want to run essentials like lights, a fridge, coffee maker or a well pump off-grid.
  • You're comfortable with a DIY install using the wiring diagrams, with an electrician only for final connections.
Your bundle
2 x 100Ah 24V LFP Battery - 5kWh Entry-level battery bank for lighter daily use
Also available:
$4,389.00
$4,389.00
$5,979.00
You save $1,590.00
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
“I just did a small test, the well pump ran for a cycle approx 30 to 45 seconds and was using 49% on my inverter led display. My AO Smith 900 hybrid water heater runs at 18% and the fridge ran at 12%...”
Steve Verified owner

Frequently bought together

CORE MAX 1.6kW · 2 x 100Ah 24V LFP Battery - 5kWh $4,389.00

Specifications

The numbers

Solar array
1.6kW, 8 x 200W panels
Battery storage
5.12kWh or 7.68kWh, by bundle
Continuous output
6,000W continuous
Inverter
2 x 3,000W 24V hybrid inverters
Battery chemistry
Lithium
Panel warranty
25 years

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.

Travis L., verified owner

Overview

Power that grows with you.

Formerly known as RPK-PLUS, the newly branded CORE MAX is designed for places where a grid connection is impossible or impractical. As the "middle ground" of our CORE line, it offers increased solar input with dual inverters to handle more frequent use and larger daily demands. Whether you are powering a high-use workshop, a medium-sized off-grid cabin, or a remote job site, the CORE-MAX provides the expanded power foundation you need for total independence

Like all our kits, the CORE MAX comes with all the parts and pieces you need to get up and running. We’ve engineered this kit for a truly DIY-friendly experience, including every cable, connector, and adapter along with simple, easy-to-follow instructions and wiring diagrams. While it’s designed to be straightforward enough for a homeowner to handle, the completeness of the kit also makes it super simple for a local professional to set up quickly if you choose to hire one.

Typical Uses: What Can It Run?

  • Workshops: Power tool charging (drills, saws) and bench lighting
  • Living Spaces: Small fans, laptops, and energy-efficient LED TVs
  • Kitchen Essentials: High-efficiency refrigerators and coffee makers
  • Water Management: Medium-duty well pumps and aeration systems
  • Remote Power: Reliable energy for tiny homes or remote outbuildings

What's Included in Your Kit:

  • 1,600W Solar Array: Eight 200W monocrystalline panels with a 25-year power output warranty.

  • Dual 3000W Hybrid Inverters: Two 24V inverter/chargers.

  • 5.12 - 7.68 kWh Lithium Storage: 100Ah 24V LFP batteries rated for up to 7,000 cycles.

  • Complete Cable Package: All necessary pre-cut cables, including dual PV extensions and battery wires.

  • Safety & Protection: All required inline fuses and circuit protection kits.

  • Power Distribution: Dual high-capacity busbar sets.

  • Mounting Hardware: All necessary brackets and racking for eight panels.

Technical Specifications at a Glance

  • Total Solar Wattage: 1,600W

  • Total Battery Capacity: 5.12kWh

  • System Voltage: 24VDC

  • Inverter Rated Power: 3000W per unit

  • Battery Cycle Life: 7000 Cycles (at 80% capacity retention)

Support & Coverage

  • Full manufacturer warranties on all components

  • Lifetime technical support from the ShopSolar team

  • Detailed setup diagrams, wiring schematics and commissioning guides

Installation Overview

Most customers install the majority of the system themselves using the provided diagrams and support resources. Final electrical connections can be completed by an electrician if required.

Our technical support team is available throughout the process to help ensure a smooth installation from delivery to system startup.

Order Today

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

Choose your kit

Build it around how you'll use it.

Every kit starts with the same power station. What changes is the panels, and whether it connects to your home.

  1. Pick your starting point Choose the power station on its own if you already have panels, or a kit if you are starting from scratch.
  2. Match the panels to your life Folding panels pack away for the RV and campsite. Rigid panels suit a cabin, shed or backyard. The transfer switch connects to your home.
  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.
2 x 100Ah 24V LFP Battery - 5kWh 3 x 100Ah 24V LFP Battery - 7kWh
Price $4,389.00$5,979.00 Save $1,590.00 $4,989.00$6,749.00 Save $1,760.00
Best forEntry-level battery bank for lighter daily useMore storage for heavier or longer off-grid use
  • 2 x 3000W 24V Hybrid Inverter
  • 8 x 200 Watt 24V Monocrystalline Solar Panels - 25-Year Power Output Warranty
  • 2 x 100Ah 24V LFP Battery
  • Wiring diagram and commissioning guide
  • All required cables, connectors and fuses
  • 2 x 3000W 24V Hybrid Inverter
  • 8 x 200 Watt 24V Monocrystalline Solar Panels - 25-Year Power Output Warranty
  • 3 x 100Ah 24V LFP Battery
  • 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.

18days

LED lights · 10W

5days

CPAP machine · 40W

1.6days

50" TV · 110W

3days

Fridge · 120W

3days

Chest freezer · 100W

4.4hours

Microwave · 1,000W

What owners told us

“Got this kit to run my water well pump in a power outage.”
DougVerified owner
“I'm running a fan, seven LED 8' lights, a radio, chargers, occasional air compressor, and more, and it's only using about 10% of the power.”
Scott A.Verified owner

Owner stories

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

4.8 37 reviews

97% would recommend

Quality  4.81 / 5

Easy to Use  4.46 / 5

“This system works well. Customer support was awesome!”
ThomasVerified owner
“With my install complete my home shop is 100% off-grid.”
Scott A.Verified owner · 2 x 100Ah 24V LFP Battery - 5kWh
“I cannot thank them enough. I highly recommend this company for all your solar needs.”
RyanGDingusVerified owner
“I've had this unit working for several days, now, and it's been great.”
Garrett C.Verified owner
“Would recommend them for off grid solar.”
Donald L.Verified owner
“Got this kit to run my water well pump in a power outage. It works very good for my purpose.”
DougVerified owner

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.