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The EG4® FlexBOSS21 Hybrid Inverter is a powerful 48V, split-phase inverter/charger designed to meet all your solar power needs, whether you're looking to run off-grid, use grid electricity, or even sell power back to the grid. With the ability to support up to 21kW of PV input and provide seamless backup power, it’s perfect for those looking to optimize their energy storage system (ESS). The FlexBOSS21’s remarkable flexibility allows it to power demanding appliances such as a 5-ton AC unit, and with the ability to parallel up to 10 units, you can achieve a total output of up to 160kW. Its advanced design, featuring 3 MPPTs, ensures optimal control over your solar energy management, while remote management through EG4’s app gives you full monitoring capabilities.
| Parameter | Specification |
|---|---|
| AC Input Nominal Voltage | 120/240VAC; 120/208VAC (L1/L2/N required) |
| Maximum AC Input Power | 12kW |
| AC Grid Output Nominal Power | 16kW @ 240V | 13.8kW @ 208V |
| Maximum Recommended Solar Input | 24kW |
| Efficiency (CEC) | 96.9% |
| Battery Compatibility | Lead-acid/Lithium |
| Maximum Units in Parallel | 10 |
| Operating Temperature Range | -13°F to 140°F (-25°C to 60°C) |
| Unit Weight | 88 lbs. (52 kg) |
| Outdoor Rating | NEMA 4X |
The EG4® FlexBOSS21 Hybrid Inverter is ideal for homeowners, businesses, or off-grid installations looking for a reliable and flexible solution to power their systems. Whether you're looking to integrate with an existing grid, go completely off-grid, or reduce reliance on the utility company, this inverter offers the ultimate in flexibility and scalability. The FlexBOSS21 is also an excellent choice for those seeking energy independence in areas with unreliable power grids or for large-scale energy storage systems where performance and efficiency are paramount.
Upgrade your energy system with the EG4® FlexBOSS21 Hybrid Inverter, and take control of your energy future with Generation Eco's innovative offering that ensure efficiency, reliability, and cutting-edge technology.
Free & Fast Shipping - SAVE Hundreds Today with Free Shipping on All Orders. We Ship to ALL 48 Lower States (We do not ship to Puerto Rico, Hawaii, Alaska)
Lead Time - 3-7 Business Days Depending on Product - Once You Place an Order, we immediately begin processing. The order request is sent to our warehouse and is prepared for pickup, it then usually takes around 3-7 business days to be picked up for transit.
Transit Time - Transit time can vary depending on the distance between your location and the warehouse but you can expect the item to arrive between 3-8 business days after pickup.
Our Shipping Partners: FedEx, UPS, Freight Club (among others)
We partner with the most reliable freight companies in the USA to ensure your order arrives safe and in a timely manner.
Your Item will ship from warehouses all across the United States to ensure fast and efficient delivery times for our customers.
If there are any delays regarding your product shipment, we will let you know in advance.
As soon as you place your order, you will receive an order confirmation e-mail. (please allow a few hours for this to come through in some cases) This means that we have received your order in our system and pre-authorized your credit card for the purchase.
As soon as we receive your order, we automatically reach out to our suppliers to confirm that it is in stock and available for immediate shipment.
If your item is on backorder or unavailable, we will void the pre-authorization and reach out to you via e-mail. If your item(s) are available for immediate shipment (within 5 business days), we will process the charges and submit the order for shipment.
If your order is in stock and we process the charges to your credit card, it will ship within five business days from the date of your order. We will send you tracking information within 24 hours of your order leaving the warehouse to the e-mail address you provided when checking out. If you do not receive tracking information from us within six business days of your order, feel free to follow up with us at sales@generationecostore.com
No Shipping outside the USA. (Some exceptions apply - if the website permits you to check out and enter your shipping address, you will receive your order. Some products in particular are available in Canada).
Our base "Curb-side" Pickup shipping is always completely free! This option usually takes between 5-15 days to arrive at your doorstep, after you have submitted your order.
Threshold Shipping: This involves the item being brought onto your porch, or into a sheltered/garage area.
To ensure that your package is properly delivered and that you receive your package within the time frames we advertise, please make sure that your address is correctly entered and includes all relevant and/or required information. The use of correct abbreviations, street numbers, building or apartment numbers, and route information (if applicable) is critical for ensuring timely delivery. We do not take responsibility for lost, misplaced, or incorrectly delivered shipments if the address information provided is incorrect or incorrectly entered at the time of purchase.
Please inspect the packaging of your item(s) when they arrive, if you notice any damage, you should make note of it when signing for delivery. If your item(s) do arrived damaged please send photos of damage, box and SKU, along with a brief description of the damage to info@generationecostore.com and we will process an insurance claim on your behalf. Photos and videos must be sent for freight damage within 24 hours of arrival or the freight damage claim will not be valid. Any punctures, or visible signs of exterior damage must be reported within 24 hours.
We have a 30-day return policy, which means you have 30 days after receieving your item to request a return.
Should you decide to cancel your order prior to its shipment, a 3% deduction will be applied to cover platform fee expenses from the total paid amount.
To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase. Items that are not in this condition will not be accepted.
To start a return, you can contact us at hello@generationecostore.com If your return is accepted, we'll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.
Returns for reasons other than damaged items will require a 15-25% re-stocking fee, this depends on the size and freight cost of the item to ship back, we sell large items and shipping can be costly.
Returns/Cancellations after the item has shipped will also incur a 15-25% fee charged to you, as freight costs can be high for our products.
If your return is outside of the 30 day return period, your item will not be accepted.
You can always contact us for any return questions at hello@generationecostore.com.
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item so that we can evaluate the issue and make it right.
Items that are damaged must be communicated to us within 24 hours of receiving the item.
Please note that if items have been taken out of the packaging and/or installed, returns may be voided depending on the manufacturer.
Some of our manufacturers do not accept returns for specific items, this must be considered when purchasing.
These manufacturers include:
Victron
Pytes Battery
The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.
You can contact us using the methods below.
US Customer Support Number: +1 323 768 0928
Email: hello@generationecostore.com
US Address: 30 N Gould St Ste R Sheridan WY 82801
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