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Complete off Grid Solar Kit 8000W 48V 120V/240V output 10.24KWH Lithium Battery 5400 Watt Solar Panel SGK-8MAX

Complete off Grid Solar Kit 8000W 48V 120V/240V output 10.24KWH Lithium Battery 5400 Watt Solar Panel SGK-8MAX

4.5(2 ratings)

Best price now

$6,281.00at Solar Guys ProChecked 1 h ago

Compared across 10 stores. Prices are checked against each store and labelled with when.

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Price facts

  • Lowest price today: $6,281.00 at Solar Guys Pro (checked Nov 14, 2026).
  • Checked at 10 stores.

Our take on the Complete off Grid Solar Kit 8000W 48V 120V/240V output 10.24KWH Lithium Battery 5400 Watt Solar Panel SGK-8MAX

The SGK-8MAX is a complete off-grid solar package built around an 8000W 48V inverter that outputs 120/240V and can be paralleled with up to six units. It bundles 12 monocrystalline 450W panels (5,400W total), four 200Ah LiFePO4 batteries with Bluetooth monitoring, plus mounting brackets, breakers and cables. It suits a whole-home or cabin backup setup where the buyer wants one box instead of sourcing parts separately. Compared with smaller starter kits, it delivers split-phase 240V and much more storage, but the buyer still needs to plan wiring, permits and installation labor.

Best forOff-grid homes and cabins with 240V loadsBuyers who want a single bundled kitWhole-home backup with room to expandDIY installers comfortable with 48V DC wiring
Pros
  • Split-phase 120/240V output covers well pumps and dryers
  • Inverter parallels up to six units for growth
  • LiFePO4 batteries with Bluetooth monitoring
  • Panels, brackets, breakers and cables included
  • 48V architecture keeps DC currents manageable
Cons
  • No charge controller listed in the kit
  • Installation, permits and wiring labor are on the buyer
  • Large panel count needs significant roof or ground space
  • Battery bank capacity limits heavy all-electric loads

Complete off Grid Solar Kit 8000W 48V 120V/240V output 10.24KWH Lithium Battery 5400 Watt Solar Panel SGK-8MAX prices at every store

  • Solar Guys ProNew

    In stockReturn policy

    $6,281.00Checked 1 h ago
    Visit Solar Guys Pro
  • SunGoldPowerNew

    In stockReturn policy

    $6,281.00Checked 11 h ago
    Visit SunGoldPower
  • Entropy SurvivalNew

    In stockReturn policy

    $6,281.00Checked 11 h ago
    Visit Entropy Survival
  • Solar Sun DirectNew

    In stockReturn policy

    $6,441.00Checked 11 h ago
    Visit Solar Sun Direct
  • Build the PowerNew

    In stockReturn policy

    $6,441.00Checked 11 h ago
    Visit Build the Power
  • Generation Eco StoreNew

    In stockReturn policy

    $6,762.48Checked 11 h ago
    Visit Generation Eco Store
  • Green Vista LivingNew

    In stockReturn policy

    $6,979.00Checked 11 h ago
    Visit Green Vista Living
  • OffGrid HorizonNew

    In stockReturn policy

    $6,979.00Checked 11 h ago
    Visit OffGrid Horizon
  • The Home UpgradeNew

    In stockReturn policy

    $6,979.00Checked 11 h ago
    Visit The Home Upgrade
  • Eco Solar KitsNew

    In stockReturn policy

    $6,979.00Checked 11 h ago
    Visit Eco Solar Kits

About the Complete off Grid Solar Kit 8000W 48V 120V/240V output 10.24KWH Lithium Battery 5400 Watt Solar Panel SGK-8MAX

This off-grid solar kit combines an 8000W inverter, twelve 450-watt monocrystalline solar panels and four 200AH LiFePO4 batteries with Bluetooth. The panels total 5400 watts, and the battery bank stores 10.24 kWh. The system runs at 48V DC and outputs 120V/240V AC.

The inverter can be connected in parallel with up to 6 units. The kit also includes mounting Z-brackets, solar extension cables, breakers and the cable that connects the battery breaker to the inverter.

Inverter
8000W, 48V DC input, 120/240V AC output, up to 6 units in parallel
Solar panels
12 x 450W monocrystalline (5400W total)
Battery
4 x 200AH LiFePO4 with Bluetooth (10.24 kWh total)
Mounting
12 sets of Z-brackets
Extension cables
2 x 50 ft solar extension cables for the inverter PV input
Breakers
1 x 200A DC breaker, 2 x 25A PV breakers
Inverter cable
1 set of 2/0 AWG cable (breaker to inverter connection)
Model
SGK-8MAX

Questions and answers

Does the kit include a solar charge controller?
The listed contents cover the inverter, panels, batteries, brackets, breakers and cables. No charge controller is named, so confirm with the seller before buying.
Can I expand the system later?
Yes. The 8000W inverter supports up to six units in parallel, and the 48V battery bank can be enlarged with matching LiFePO4 batteries.
What can an 8000W inverter run?
It handles 120/240V split-phase loads, so it can power well pumps, dryers and large appliances. Sustained draw depends on the battery bank and solar input.
How much roof space do the panels need?
Twelve 450W panels is a large array. Plan for roughly 250 to 300 square feet of unshaded roof or ground mount.
Do the batteries have monitoring?
Yes. The four 200Ah LiFePO4 batteries include Bluetooth, so you can check state of charge and cell data from a phone app.
Is this a DIY install?
It can be, but 48V DC wiring, breaker sizing and permits are involved. Many buyers use a licensed electrician or solar installer.
Where is the Complete off Grid Solar Kit 8000W 48V 120V/240V output 10.24KWH Lithium Battery 5400 Watt Solar Panel SGK-8MAX cheapest?
At Solar Guys Pro, for $6,281.00, as of our latest check.
What do buyers say about the Complete off Grid Solar Kit 8000W 48V 120V/240V output 10.24KWH Lithium Battery 5400 Watt Solar Panel SGK-8MAX?
Rated 4.5 out of 5 from 2 ratings.
Where can I buy the Complete off Grid Solar Kit 8000W 48V 120V/240V output 10.24KWH Lithium Battery 5400 Watt Solar Panel SGK-8MAX?
10 stores we checked sell it, including Solar Guys Pro, SunGoldPower, Green Vista Living, OffGrid Horizon, Generation Eco Store.

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