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ExpertPower Alpha 400 Solar Generator

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Current price $389
Original price $429
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Original price $429
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Includes Lifetime Customer Support!

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ExpertPower Alpha 400 

This 400Wh compact lithium solar generator perfectly combines power with portability. With a 400W continuous power inverter (and a 1000W peak) the Alpha 400 solar generator is big enough to run most common appliances. 

What's Included With Your ExpertPower Alpha 400 Solar Generator Order?

  • 1 x Alpha 400 Watt Hour Solar Generator
  • 1 x AC Wall Charger
  • 1 X 12V Car Charger
  • 1 x Setup User Manual
  • - Free Shipping
  • - Lifetime Customer Support 

What Can The Alpha 400 Actually Power & For How Long?

  • Macbook Pro - 8 times
  • Drone (68W Battery) - 5 times
  • LED Lights (12W) - 33+ hours
  • TV (79W) - 4+ hours
  • CPAP Machine - 7+ hours
  • Fridge (50W) - 8 hours 

How can you recharge the ExpertPower Alpha 400?

  1. Using any 12V solar panel (100W solar panel will fully recharge it in 4-5 hours)
  2. Using any standard AC wall outlet plug (wall charger included)
  3. Using the included, 12V car charger

We take your safety and protection seriously: The Alpha 400 is FCC and CE certified with built-in fuse and full-protection with short-circuit, low-voltage, over-charge, over-discharge, over-voltage, over-load ensuring complete protection for you and your devices.

ExpertPower Alpha 400 Benefits:

Durable Design

Heavy Duty size and shape for easy portability so you can take it with you wherever you go.

Powerful Inverter

Our large 400W inverter can power up to 9 devices simultaneously because we roll with the big boys.

Unmatched Capacity

444Wh of Verified Battery Capacity makes it the most powerfully compact generator of its kind.

How Does the Alpha 400 Stack Up Against the Rest?

What's Included With Your ExpertPower Alpha 400 Solar Generator Order:

  • 1 x Alpha 400 Solar Generator
  • 1 x AC Wall Charger
  • 1 X 12V Car Charger
  • 1 x Setup User Manual
  • - Free Shipping
  • - Lifetime Customer Support 

ExpertPower Alpha 400 Specifications:

Model Alpha 400
Capacity 444Wh , 3.7V 120000mAh
Weight 10.90 LB
Fully Charged Time 7 Hours
Operation Temperature 14°F-104°F
Optimal Storage Temperature 32 ~ 95°F= (0~35°C)
Safety Certifications FCC CE RoHS

ExpertPower Alpha 400 Inputs:

Input 110 V 60Hz
AC/Wall Charger Wall Adapter (DC 15V 6A)

Solar Charger

Car Charger

DC 13V-24V, up to 6.2A Max with MPPT Built-in Solar Charge Controller

12V 6A

ExpertPower Alpha 400 Outputs:

AC Output 400W Continuous, 1000W Peak
DC Outputs

2 x DC ports (12V 4A)

3 x USB ports (5V 2A)

1 x Cigarette Socket (12V 20A)

Inverter Pure Sine Wave

ExpertPower Alpha 400 Battery:

Battery-Cell Type Lithium-Polymer
Capacity 444Wh , 3.7V 120000mAh
Lifespan 500+ Charge Cycles


ExpertPower Alpha 400 Solar Generator Tech Specs:


Still have questions? Don't hesitate to reach out or give us a call at 877-242-2792

The solar investment tax credit (ITC), commonly known as the solar tax credit, offers home and commercial property owners incentives to install solar and move to renewable energy.

The solar tax credit will allow you to claim 30% of the total cost of this solar system as a credit on your federal tax return. 

*To be eligible for the tax credit, you must own the system and install it at a residence or business that you own in the USA. You must also fill out Form 5695 (Residential) or Form 2468 (Commercial) 

Simplified Solar Solutions

Simplified Solar Solutions

Our carefully curated solar kits combine the best components to create an ideal solution for your individual power needs. So whether you need to get off the grid, to save on your electric bill, for emergency backup power, or to fuel your next adventure - we eliminate the need for a designer or custom solution, and pass those savings on to you without compromising on performance.

Best Components, Lowest Prices

Best Components, Lowest Prices

We cut out the bloat of traditional solar companies and pass those savings off to you. Plus, we provide free shipping on all solar kits and lifetime customer service on everything we sell.

Expert Guidance

Expert Guidance

Our team of solar professionals is here to help you navigate the world of solar with ease. From selecting the perfect solar kit to installation and beyond, we provide support and expertise at every step of the journey.

We’re people just like you

We’re people just like you

We’re not corporate and neither are our customers. We’re just a group of 50+ solar enthusiasts who are passionate about providing an honest, no-BS way for anyone, anywhere to improve their lives and the world around them with solar power.

Trusted Solar Authority

Trusted Solar Authority

With over 40,000+ happy customers, 2,500+ positive reviews, and decades of experience in the industry, we’re proud to say we’re America’s #1 solar power solutions provider. You can trust us to provide you with top-notch products and legendary customer service at every step of the way.

What is the Shop Solar Kits returns policy?

Returns are free in the first 30 days with no restocking or processing fees, although the customer must pay for the return shipping costs. See our complete return policy on our Shipping, Deliver, and Returns page.

What’s covered by the Shop Solar Kits returns policy?

Our returns policy covers all purchases made through Shop Solar Kits. For warranty issues, as authorized distributors, we honor the full manufacturer warranty of ALL the brands on our website. See our complete returns and warranty policies on our Shipping, Deliver, and Returns page.

How long will it take to receive my Shop Solar Kits order?

All orders are processed within 72 hours and you can expect delivery within 5 to 10 business days. You will receive access to our customer portal after ordering, where it is easy to track all your shipments. See our Shipping, Delivery and Returns page for more details.

What are the financing and payment options at Shop Solar Kits?

We offer several ways to pay to make getting your solar kit simple:

  • Credit Card: if the purchase is greater than your card’s limit, you can split the cost onto multiple cards as well as Paypal, financing through Affirm, and ACH/bank transfer
  • You can arrange financing during the checkout process, see our Financing page for more details

How does the Shop Solar Kits Lifetime Support work?

Our legendary lifetime customer support has helped make us the #1 solar kit retailer. 

We have a dedicated team of solar professionals standing by to help you navigate the world of solar with ease. From selecting the perfect solar kit to installation and beyond, we provide support and expertise at every step of the journey.

If you need help with ordering, shipping, troubleshooting, expanding your system, warranty issues, or anything else you have questions about for as long as you own your Shop Solar Kits equipment, we’ve got you covered: we’re always only a phone call or email away.