ECO-WORTHY Liber 6kP 48V Split-Phase Off-Grid Inverter

1st of 8 we've scored in All-in-One Off-Grid Inverters

1st of 8 in All-in-One

ECO-WORTHY Liber 6kP 48V Split-Phase Off-Grid Inverter

Name: ECO-WORTHY Liber 6kP 48V Split-Phase Off-Grid Inverter
Brand: ECO-WORTHY
SKU: L03YTJUSKBJ6000W

SVT Score, Top

6.0

Usability5.5/10Social6.5/10The SVT Score is placed on its category's range

Versus

5.5

SVT SCORESRead review

A 6,000 W all-in-one off-grid inverter charger that gives 120/240 V split phase from one unit, with a 9,000 W, 500 V MPPT input, a 100 A AC charger and built-in Wi-Fi and Bluetooth.

$790

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SKU: L03YTJUSKBJ6000W Category: All-in-One Off-Grid Inverters Brand: ECO-WORTHY

Usability

5.5 out of 10

Capacity7.0

At 6,000 W continuous it sits on the 6,000 to 7,999 W rung for a 48 V all-in-one, so it scores 7 on capacity.

Efficiency6.0

The manual rates its battery inversion efficiency at 93 percent and ECO-WORTHY publishes no no-load draw, so the efficiency is scored alone, capped at 6, and it scores 6 on efficiency.

Operating Range5.0

Its 12,000 W peak is 2.0 times its continuous rating, so it scores 5 on operating range.

Features10.0

It has a built-in MPPT controller, a 10 ms typical transfer, 120/240 V split phase from a single unit, parallel operation of up to 6 units, CAN or RS485 closed-loop communication with batteries on the Pylontech protocol, built-in Wi-Fi and Bluetooth with an app, and a 100 A AC charger, 400 A at 12 V-equivalent, so it scores 10 on features.

Verification4.0

Eco-Worthy publishes an SGS certificate (SGSNA/26/GZ/00196X) to UL 1741 and CSA C22.2 No. 107.1 for this inverter, by its model name ECO-INV-48V6000WES01, held by Duzheng Clean Energy, but no directory searched lists it, so it scores 4 on verification.

Warranty & Support1.0

ECO-WORTHY's all-in-one inverter policy gives this model 2 years, tiered after 18 months, while its manual states 1 year, and the shorter term is scored, so it scores 1 on warranty and support.

Warranty and returns

Eco-Worthy's warranty page gives most products 1 year and its 12 and 24 V batteries 3 years, for the original buyer only, against 10 years on its 48 V server-rack and PowerMega batteries and 2 years on its all-in-one inverters, both tiered by age.

Price

$789.99 at eco-worthy.com.

Summary

Split phase from one unit

The ECO-INV-48V6000WES01 is ECO-WORTHY's Liber 6kP, a 48 V all-in-one off-grid inverter charger with 6,000 W of 120/240 V split-phase output from one unit, a 120 A MPPT controller and a 100 A AC charger for off-grid homes and whole-house backup.

Verdict

It suits a buyer who wants 120/240 V split phase and app monitoring from one all-in-one, and who will not need outdoor mounting or a warranty beyond 1 year.

Strengths

120/240 V split phase from one unit
Up to 6 units in parallel for 36 kW
9,000 W PV input500 V max, 120 A MPPT
100 A AC charger and 10 ms transfer
Built-in Wi-Fi and Bluetooth with app

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Drawbacks

Page lists 180-280 VAC inputspec table and manual say 90-140 VAC
No published no-load drawone owner measured 84 W
Manual says 1-year warrantypolicy page says 2 years tiered
Type 1 enclosurefor indoor use only
One MPPT input

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Social score

6.5 out of 10

RedditBrand-level6.0 out of 10

Reddit owners mostly report Eco-Worthy batteries holding their rated capacity and are less sure of its electronics. In an r/SolarDIY thread owners said their 100 Ah batteries tested to capacity and that two 12 V 260 Ah batteries in series stayed balanced for a year (February 2024), a UK owner measured nearly 102 Ah from a 12.8 V 100 Ah battery after a year on standby against 104.3 Ah new (June 2025), and in a Renogy-or-Eco-Worthy thread an owner called its batteries and panels fine and its charge controllers and inverters hit and miss (February 2026).

Google6.0 out of 10

Liked

Full 120/240 V split phase from batteries runs a house
Better build and touchscreen than the 5 kW unit
Built-in Wi-Fi and Bluetooth

Complaints

Firmware update works only in a strict sequence
Default battery-to-mains switch voltage too low for LiFePO4
Measured 84 W idle draw, 60 W in ECO mode

On DIY Solar Forum an owner who also runs ECO-WORTHY's 5 kW unit called the Liber 6kP better built, with a more informative touchscreen, more parallel capacity and built-in Wi-Fi and Bluetooth (December 2025); another found it runs a house on full 120/240 V split phase from batteries but needed the battery-to-mains switching voltage raised from about 43-44 V and a strict sequence to update firmware (January 2026); one owner measured 84 W idling and 60 W in ECO mode (February 2026), and another hit a charge over-voltage fault with an ECO-WORTHY 314 Ah battery (January 2026).

YouTubeBrand-level7.0 out of 10

Every tester found carries a tie. Will Prowse, whose videos disclose paid promotion or free product and carry affiliate links, found Eco-Worthy's $799 48 V server-rack battery passed his deep-dive tests (2025, about 154,000 views). Mike Builds, whose Cubix 100 video is marked as paid promotion and links Eco-Worthy's affiliate program, measured 99.08 Ah at 0.2C and called it a beast (July 2026, about 218,000 views). There's A Trick For That, which links the battery through Amazon affiliate links, drew 315 Ah, 105 percent of rating, from a 12 V 300 Ah (April 2026, about 25,000 views).

AmazonBrand-level7.0 out of 10

Eco-Worthy's Amazon store shows no store-wide rating; its two largest listings read 4.4 from 647 ratings for the 12 V 100 Ah battery and 4.4 from 576 for the 400 W solar kit (October 2026).

User reviewsNot scored

The retailer pool is blank: Walmart lists few Eco-Worthy items, the Cubix 100 with 1 review and the others resold by third-party sellers such as DC HOUSE, and Home Depot, Lowe's and Best Buy carry no Eco-Worthy listing.

Trustpilot

Trustpilot rates www.eco-worthy.com 4.2 from 1,595 reviews on a profile Eco-Worthy claimed in April 2023 and invites its customers to, with 67 percent five-star against 20 percent one-star (October 2026).

Track record

The BBB rates Eco-Sources USA F on 6 complaints and a second, Los Angeles profile, Eco-Worthy Solar Technology, F on 7, neither accredited (October 2026).
No CPSC or Health Canada recall names Eco-Worthy or Eco-Sources, searched in October 2026.

Not countedExcluded

Not counted in any pool: eco-worthy.com's own review widget and community forum, Eco-Worthy's YouTube channel and Facebook pages, the r/EcoWorthy subreddit, its staff posts on DIY Solar Forum, or its Impact, Awin and influencer affiliate programs.

Summary

Brand-level

4.2 on Trustpilot, an F from the BBB, No recalls

Specs

CapacityNot applicable
AC Output6,000 W or more
System Voltage48 V
Panel PowerNot applicable
Charge Current100 A or more
Safety ListingCertificate published
Cell TypeNot applicable
Low-Temp ChargingNot applicable
Warranty1 Year
MonitoringBluetooth built in
Weight41.2 lb

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At a glance

16.2 x 26.1 x 5.1 in case
Capacitive touchscreen
4.8 HP motor load rating
45 dB at 1 m noise

Company

ECO-WORTHY is the brand of Xiamen Eco-Sources Technology Co., Ltd of Xiamen, China, which its own pages date to 2007, with a US company, Eco-Sources USA, Inc., in Springfield, Missouri.

Where it sells

It sells direct from eco-worthy.com, which ships US orders from a US warehouse, and through its Amazon and eBay stores and dealers such as Off Grid Stores and Current Connected.

Description

The ECO-WORTHY Liber 6kP, model ECO-INV-48V6000WES01 (store SKU GW-L03YTJUSKBJ6000W-1, sold as the V2), is a 48 V all-in-one off-grid inverter charger: 6,000 W continuous pure sine wave output at 120/240 V split phase or 120 V single phase from one unit, 12,000 W peak, a 4.8 HP motor load rating, 93% maximum battery inversion efficiency by the manual and a 10 ms typical transfer. Solar input is one MPPT tracker rated 9,000 W, with a 500 V maximum open-circuit voltage, a 125-425 V MPPT range, 22 A maximum input current and up to 120 A of PV charging. AC input is 90-140 VAC per phase at 60 Hz by the spec table and manual (the page's feature text says 180-280 VAC), with a 45 A bypass; the mains or generator charger is rated 100 A and hybrid charging 120 A. It runs a 48 V battery (40-60 V), lithium, lead-acid or user-defined, with CAN/RS485 closed-loop communication on the Pylontech protocol, a second RS485 port, a dry contact, built-in Wi-Fi and Bluetooth with an app, and a capacitive touchscreen; up to 6 units run in parallel (36 kW), in split phase or three phase. It measures 412 x 662 x 130 mm (16.2 x 26.1 x 5.1 in) without its bracket and weighs 18.7 kg (41.2 lb) net, in a Type 1 indoor enclosure rated at 45 dB or less at 1 m.