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ECO-WORTHY 400W 12V (4x100W) Complete MPPT Off Grid Solar Kit

$419.99–$1,400$1,400Save 70%

In stock at eco-worthy.com

This ECO-WORTHY 400W 12V kit includes four 100W mono panels and a 40A MPPT controller, with optional add-ons of a 1.1kW inverter and 1.2kWh battery, or a 2kW inverter and 2.4kWh. Pricing runs $419.99 to $1,399.99.

See all 51 ECO-WORTHY products·Visit eco-worthy.com

Inverter & Battery Options
None · 1.1kW Inverter & 1.2kWh Lithium Battery · 2kW Inverter & 2.4kWh Lithium Battery

Price and stock from eco-worthy.com, refreshed daily. We may earn a commission if you buy.

Highlights

  • 4 x 100W monocrystalline panels
  • 40A MPPT controller, 97% peak efficiency
  • Optional 1.1kW or 2kW pure sine inverter
  • Optional 100Ah 12V LiFePO4 batteries
  • Brackets and cables included

Best for

RV, van, and shed owners starting small with solar.

Things to consider

  • Base kit has no battery or inverter
  • 12V systems limit growth
  • Panels weigh 14.55 lbs each

Key specs

Price$419.99 to $1,399.99
PV4 x 100W
Controller40A MPPT, 12/24V
Panel size35.24 x 23.03 x 1.37 in
Options1.1kW + 1.2kWh or 2kW + 2.4kWh

Our take

A sensible small-system starter with clear upgrade paths.

ECO-WORTHY 400W 12V (4x100W) Complete MPPT Off Grid Solar… at a glance

BrandECO-WORTHY
Price$419.99–$1,400 (was $1,400)
TypeKits
Options3 inverter & battery options
AvailabilityIn stock at eco-worthy.com
ReturnsDamaged, wrong, or non-working items must be reported within 14 days, and ECO-WORTHY…

Price check

At $419.99, the ECO-WORTHY 400W 12V (4x100W) Complete MPPT Off Grid Solar… is mid-range for ECO-WORTHY, whose 51 listed products run $15.99 to $21,000.

It's currently 70% below its listed price of $1,400. Sale prices can end without notice, so check the live price before you order.

Similar items from other brands we track run $109.89 to $309.99.

Buying from ECO-WORTHY

ECO-WORTHY is a strong pick for DIY solar builders and RV owners who want LiFePO4 batteries and complete kits at prices well below the premium brands. Skip it if you want an installer-backed, plug-and-play system with local service. Before buying, read the return terms closely: change-of-mind returns are on you to ship back, and the refund page describes them as a partial refund.

Shipping
Orders process in 1 to 3 business days, then ship in 3 to 5 business days from the US or Canada warehouse (3 to 7 from EU, UK, AU), tracked. Large panel kits ship by freight in 5 to 14 business days.
Returns
Damaged, wrong, or non-working items must be reported within 14 days, and ECO-WORTHY covers return shipping. Other returns are accepted within 30 days in new condition with original packaging, with return shipping paid by the buyer.
Warranty
The FAQ states a 10-year warranty on batteries covering non-human-induced failure. Modified products void the warranty.

Read our full ECO-WORTHY review and shop all products →

Frequently asked questions

Does the base kit include a battery?
No, choose an inverter and battery option to add them.
What batteries does the controller support?
LiFePO4, AGM, sealed, gel, and flooded.
Is the ECO-WORTHY 400W 12V (4x100W) Complete MPPT Off Grid Solar… on sale?
Yes. ECO-WORTHY lists it at $419.99, down from $1,400 (70% off). Sale prices change, so confirm the live price on eco-worthy.com.
What is ECO-WORTHY's return policy?
Damaged, wrong, or non-working items must be reported within 14 days, and ECO-WORTHY covers return shipping. Other returns are accepted within 30 days in new condition with original packaging, with return shipping paid by the buyer.
How long does ECO-WORTHY take to ship?
Orders process in 1 to 3 business days, then ship in 3 to 5 business days from the US or Canada warehouse (3 to 7 from EU, UK, AU), tracked. Large panel kits ship by freight in 5 to 14 business days.
Does the ECO-WORTHY 400W 12V (4x100W) Complete MPPT Off Grid Solar… come with a warranty?
ECO-WORTHY's published warranty terms: The FAQ states a 10-year warranty on batteries covering non-human-induced failure. Modified products void the warranty.
What options does the ECO-WORTHY 400W 12V (4x100W) Complete MPPT Off Grid Solar… come in?
Inverter & Battery Options: None, 1.1kW Inverter & 1.2kWh Lithium Battery, 2kW Inverter & 2.4kWh Lithium Battery.
Where can I buy the ECO-WORTHY 400W 12V (4x100W) Complete MPPT Off Grid Solar…?
The ECO-WORTHY 400W 12V (4x100W) Complete MPPT Off Grid Solar… is sold directly by ECO-WORTHY on eco-worthy.com. The Shop now button on this page goes straight to the product there.
Is the ECO-WORTHY 400W 12V (4x100W) Complete MPPT Off Grid Solar… in stock?
Yes. ECO-WORTHY lists it as in stock on eco-worthy.com as of our latest check. Stock and prices refresh throughout the day.
Is ECO-WORTHY a legit store?
ECO-WORTHY is a strong pick for DIY solar builders and RV owners who want LiFePO4 batteries and complete kits at prices well below the premium brands. Skip it if you want an installer-backed, plug-and-play system with local service. Before buying, read the return terms closely: change-of-mind returns are on you to ship back, and the refund page describes them as a partial refund. Our full ECO-WORTHY review covers shipping, returns and what to check before ordering.
Is the ECO-WORTHY 400W 12V (4x100W) Complete MPPT Off Grid Solar… expensive?
At $419.99 it is mid-range for ECO-WORTHY ($15.99 to $21,000 across 51 products), and similar items from other brands run $109.89 to $309.99.

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