The Sumry 4kW inverter puts solar charging, battery charging and AC power conversion in one unit. Its advertised combination of 4000W output, a 24V battery system and an integrated MPPT charger makes it worth considering for a planned off-grid setup.
This guide covers the 4000W / 24V / 110–120V variant. It is a specification-based buying guide, based on the supplied listing, seller images and Sumry documentation. Decively has not tested its output, reliability or efficiency.
Affiliate disclosure: If you buy through our AliExpress link, Decively may earn a commission at no additional cost to you.
Sumry HGX 4KW specifications
Specifications below refer to the supplied 4000W / 24V / 110–120V listing. Seller claims and variant-specific limits should be confirmed before purchase.
Specification
4000W / 24V variant
Brand / model
SUMRY HGX 4KW
Selected version
4000W / 24V / 110–120V
AC output
4000W advertised; single output
Output current
33A — seller-listed
Output voltage / frequency
110–120V AC / 50–60Hz
Waveform
Pure sine wave
Battery voltage
24V DC
PV array capacity
Up to 5600W advertised
Charging current
PV: up to 140A; AC: up to 110A
PV operating range
55–350V DC stated; verify exact model limits
Battery types
Lithium / LiFePO4, lead-acid; GEL/AGM settings shown
BMS communication
Yes — seller-listed; confirm supported batteries/protocols
Display
6.25-inch LCD with touch buttons
Dimensions
40 × 25 × 8.9 cm
Weight
Listed as “9”; unit not specified in supplied specs
Smart-device field
Yes — seller-listed; connectivity details need confirmation
Functions
Hybrid inverter, MPPT solar charger and battery charger
Origin
Mainland China
High-concern chemicals
None — seller declaration
EU LVD voltage field
Above 50V AC or 75V DC — listing classification, not proof of compliance
4000W and 5600W describe different things. The first is the advertised inverter output; the second is the advertised solar-array limit. Extra panel capacity does not increase the inverter’s AC output rating.
Seller specifications graphic. Shipping and certification logos shown are seller claims.
Check voltage before price
This version is intended for 110–120V loads. It is not a direct replacement for a 230V inverter used in many European homes, and a single 120V output should not be mistaken for 120/240V split-phase service.
Think about the loads you actually need: lights, a router and a laptop are a different requirement from a refrigerator plus an air conditioner. Check combined running demand and motor-starting surge. The supplied appliance graphic does not establish which appliances can run together.
Seller appliance-use illustration; actual compatibility depends on load voltage, power and starting demand.
What the MPPT charger adds
MPPT tracks the solar array’s operating point to help extract available power as conditions change. The integrated charger can simplify the equipment list, but panels still need to match the inverter’s electrical limits.
The seller images distinguish 140A PV charging from 110A AC charging. These are charging claims, not AC output-current ratings. Sumry’s HGX 120V documentation lists a 55–350V DC PV range; confirm the exact unit’s MPPT window and maximum open-circuit voltage before planning panel strings.
Seller graphic distinguishing PV and AC charging claims. It is not an installation diagram.
Battery compatibility needs more than “24V”
The supplied images advertise GEL, AGM, flooded lead-acid and lithium options, plus a user setting. Match the charging profile and permitted current to the battery manufacturer’s requirements. A communication port alone does not guarantee compatibility with every lithium battery’s BMS.
Sumry also advertises battery-free operation. That may be useful in suitable conditions, but solar-only operation is not stored backup: available power changes with sunlight. Confirm the operating conditions with the seller before relying on that feature.
Seller battery-compatibility and solar-only illustration; exact battery and operating requirements need confirmation.
Connections and installation
The supplied connection image shows PV input, AC input/output, battery terminals and a communication port. It is useful for identifying interfaces, rather than choosing cable sizes or protection devices.
This unit is a component in an electrical system. Have a qualified installer verify battery discharge capability, protective devices, grounding, ventilation and local approval requirements. The word “hybrid” on the case does not establish permission to export electricity to the grid.
Seller connection diagram. Follow the exact model’s installation manual.
Price and customer-rating snapshot
The supplied September 30, 2026 snapshot quoted US$268.39 and 4.9/5 from 2,716 customer reviews. We could not independently verify the live figures or whether all reviews cover this variant.
ALIEXPRESS OFFER
Check today’s Sumry offer
US$268.39
4000W · 24V battery · 110–120V output
Quoted price: September 30, 2026. Confirm current price, shipping, tax and returns at checkout.
Affiliate link: Decively may earn a commission at no additional cost to you.
Who should consider it?
Worth shortlisting: someone planning a compatible 24V, 120V off-grid system who wants an integrated charger and can confirm the exact specifications and support.
Choose another version or product: if you need 230V, confirmed split-phase output, or documented grid-export capability. Buy for a verified system match—not just the low advertised price.
Sources
AliExpress product listing · Sumry official HGX manuals and support
Product photographs and the September 30 offer/rating snapshot were supplied for this article. Marketing images are not independent performance tests.
