# GSIKE Power 2.5KW Solar Inverter 12V 220V Off Grid Inverter 120A MPPT Solar Controller With WIFI

# GSIKE 2.5KW 12V Off-Grid Hybrid Solar Inverter — 2000W Continuous, 3000VA Surge, 60A MPPT, 900W PV, Dual AC Output, Battery-Free, Free EU Shipping

**The GSIKE "2.5KW" 12V off-grid hybrid inverter is, in engineering terms, a 2000W / 2kVA continuous pure-sine 230V unit with a 3000VA (1.5×) surge, a single 60A MPPT solar charger for a PV array of up to 900W, two real AC output terminals, genuine battery-free operation and optional external WiFi — sold across Europe at €149.99 with free delivery to 15 countries and a 30-day return window.**

2000 W continuous 3000 VA surge single 60A MPPT 900 W max PV dual AC output 12 V battery No battery needed WiFi optional

![GSIKE 2.5KW listed 12V off-grid hybrid solar inverter, engineering-rated 2000W continuous, single 60A MPPT and dual AC output, front view of the bare unit](https://cdn.shopify.com/s/files/1/0729/3042/7041/files/2kw-12v.webp?v=1781167320)

Parameter

Value (engineering manual GSK-2KW-12V-WIFI)

Continuous AC power

**2000 W / 2 kVA** pure sine, 220/230 VAC, 50/60 Hz — the "2.5KW" listing name, not the continuous rating

Surge power

**3000 VA (1.5× continuous)**, for motor and fridge startup

MPPT charger

**Single MPPT**; max solar charge current **60 A** (PV input 50 A) — not a dual-MPPT unit

PV input

MPPT working range **30–160 VDC**; max open-circuit voltage **160 VDC**; maximum PV array **900 W** (practical ~750 W = 3×250W)

Charging currents

Solar MPPT **60 A** / AC mains charge **80 A** / PV+AC combined max **120 A** (the title's "120A" is this combined total, not a 120A solar charge)

Waveform / power factor

Pure sine wave, PF 0.6–1.0; works without a battery

Battery / AC output

**12 V DC** (float 13.5 V, overcharge protection 14.1 V) · 230 V AC (±5%), 50/60 Hz auto

AC outputs

Two terminals — **Main output + Second output**, shared 2000 W total (this is "Dual Output", not dual MPPT)

Parallel capacity

**None** — single unit only, cannot be paralleled or stacked

UPS transfer

About 10 ms (PC loads) / 20 ms (appliance loads) on grid outage

Efficiency

PV→inverter 96%, battery→inverter 93%

Monitoring & ports

WiFi (external / optional module), RS232, RS485 for LiFePO4, dry-contact generator / ATS, LCD

Price / stock

**€149.99 EUR** · In stock, new condition, SKU G2500EU12V, valid from 2026-05-28

Delivery / returns

Free shipping to 15 European countries (1–3 days handling + 2–7 days transit) · 30-day returns

## Full technical specifications

### AC output & conversion

Item

Specification

Continuous power

2000 W / 2 kVA (the unit the manual GSK-2KW-12V-WIFI rates; the listing is named 2.5KW)

Surge power

3000 VA for a few seconds (1.5× continuous, for motor, fridge and pump inrush)

Peak efficiency

PV→inverter 96%, battery→inverter 93%

Output waveform

Pure sine wave, power factor 0.6–1.0, crest factor 3:1

Nominal AC output

220–230 V AC ±5%, 50/60 Hz auto-sensing

AC input range

230 V AC nominal (170–280 V for PC loads, 90–280 V for appliance loads), 50/60 Hz auto

Overload rating

5 s at ≥140% load; 10 s at 100–140% load

UPS transfer time

About 10 ms for PC loads, 20 ms for appliance loads, on grid outage

AC outputs

Two terminals — Main output + Second output, shared 2000 W total

Output priority modes

UTL / SOL / SBU / SUB selectable on the LCD

### PV input & charging (single MPPT)

Item

Specification

MPPT trackers

**One single MPPT channel**; max solar charge current 60 A (max PV input current 50 A)

PV input voltage range

MPPT working range 30–160 VDC; maximum open-circuit voltage 160 VDC

Maximum PV array

**Up to 900 W**; official example is 3×250W modules (3×36 V Vmpp ≈ 108 V, 120 V Voc < 160 V)

Why ~750W is the sweet spot

Raw 900 W / 12 V ≈ 75 A, but the solar charge stage caps at 60 A — practical usable PV is ~750 W (3×250W)

AC (mains) charge current

80 A; maximum combined PV+AC charge 120 A

Battery charge profile

CC/CV; float 13.5 V, overcharge protection 14.1 V; supports lead-acid, gel and LiFePO4; LiFePO4 activation by PV (RS485)

### System, mechanical & protection

Item

Specification

Battery voltage

12 V DC; float charge 13.5 V, overcharge protection at 14.1 V

Full-load DC current

2000 W / 12 V = 166.7 A ideal; at 93% efficiency ≈ 179 A — this is why the 12V battery cables must be very thick and short

Battery-free operation

Supported — runs on PV or mains alone; no night power after sunset without a battery

Parallel operation

No — single unit only, cannot be paralleled with another unit

Communication

WiFi (external / optional module), RS232, RS485 for LiFePO4, dry-contact for generator / ATS, LCD

Casing / ingress

Detachable dust cover only; **no IP rating is stated by the manual** — use indoors / in a sheltered space

Operating temperature

−10 °C to +50 °C (storage −15 to +60 °C); humidity 5–95% non-condensing

Dimensions

358 × 295 × 105.5 mm (package 465×380×175 mm)

Net weight

6.0 kg

Protection

Overload, short-circuit, over-temperature, battery over-voltage / under-voltage

## Pros & cons (verified, not marketing)

### Pros

-   **2000 W continuous pure-sine 230V AC** with a **3000 VA (1.5×) surge** — enough to start and run a refrigerator, TV, laptop, lights, a small pump and kitchen essentials in a camper, cabin or garden office.
-   **Single 60 A MPPT** accepts up to 900 W of PV (MPPT 30–160 V, 160 V Voc ceiling); the official 3×250W example (~750 W) matches the 60 A charge cap.
-   **Dual AC output terminals** (Main + Second, shared 2000 W) let you split critical loads from the rest, with ~10 ms PC / 20 ms appliance transfer on a grid outage.
-   Genuine **battery-free** operation on PV or mains, with UTL / SOL / SBU / SUB priority modes and PV-only LiFePO4 activation.
-   **€149.99** puts this in the sub-€160 band and near the front of the verified EU-warehouse 12V 2kW hybrids — essentially tied with EASUN's 2.2kW 12V (€151.73) and under DATOUBOSS 1800W (€159.99), PowMr (~€165), Daxtromn (~€175) and ANENJI (~€184).
-   Compact **6.0 kg / 358×295×105.5 mm** chassis; 96% PV→inverter efficiency; free shipping to 15 European countries in 2–7 days, 30-day returns.
-   Real buyer rating **4.8 / 5 from 10 reviews**, most praising stable pure-sine output and quiet running.

### Cons

-   **2000 W engineering ceiling, not 2.5 KW** — the storefront name says 2.5KW but the manual rates 2000 W / 2 kVA continuous; plan loads for 2000 W, not 2500 W.
-   **No parallel / stacking** — single unit only; you cannot stack two to reach 4 kW. The "Parallel 6 units" icon is a 48V large-model template error.
-   **Single MPPT** (one 60 A channel); "Dual Output" is the two AC terminals, not two solar trackers.
-   **12V means very high current** — full load pulls ~167–179 A, so the battery cables must be very thick (about **50–70 mm²**) and kept short (1 m class); longer runs force even heavier copper.
-   **12V is not a whole-house voltage** — for larger homes step up to a 24V/48V model, where the same power halves the current and the cable size.
-   **Max PV only 900 W** (practical ~750 W) and solar charge capped at 60 A — this is a small-array, short-run class, not a big-roof system.
-   **English-only support**; no local-language warranty line; WiFi is an external / optional module, not fitted as standard.
-   **No night power in battery-free mode** once the sun is down, and **no IP rating** — use indoors / in a sheltered space with the detachable dust cover.

## Where the 12V 2000W inverter fits — real European use cases

![Interior of a modern German family camper van at a quiet rural European campsite, a small compact unbranded off-grid solar inverter mounted on the light wooden bench wall beneath the seat, green meadow and pine trees outside the window](https://aka.doubaocdn.com/s/iNPk2sEkwB)

### Family camper van

A compact inverter on the bench wall runs the fridge, charger and lights at a quiet rural European campsite — the classic 12V short-run install.

![Tidy French static caravan at a sunlit Provence campsite, a few small dark solar panels on the roof and one small compact wall-mounted solar inverter, lavender and an olive tree nearby](https://aka.doubaocdn.com/s/UgrwVhHe68)

### Provence caravan

A static caravan with a small roof array powers its own lighting, TV and small kitchen loads without a full grid connection.

![Small rustic Nordic wooden log cabin in a Swedish pine forest, a few small rooftop solar panels and one small cream wall-mounted solar inverter beside the door, warm light in the small window](https://aka.doubaocdn.com/s/5a89yecPK3)

### Swedish log cabin

A small forest cabin uses a few panels and one wall inverter for lights, a small fridge and phone — essentials only, inside the 900 W PV cap.

![Modern insulated Dutch garden office summerhouse in a tidy suburban back garden, a couple of small rooftop solar panels and a compact solar inverter visible through the window, simple desk and chair inside](https://aka.doubaocdn.com/s/kYXs9d9FYJ)

### Dutch garden office

A home-working summerhouse runs a laptop, router, lamp and small fan from PV and a 12V battery — short, thick battery cables inside one building.

![Rustic Spanish garden tool workshop shed, a few small solar panels on the corrugated roof and a compact solar inverter on the wall above a wooden workbench with hand tools](https://aka.doubaocdn.com/s/OrFl7vbWZB)

### Spanish tool shed

A workshop shed powers bench lighting, a small charger and a pump off-grid — the dual second output can feed the pump separately.

![Modern Scandinavian tiny house on wheels beside a calm lake in the Austrian Alps, a roof rack carrying a few compact dark solar panels and one small wall-mounted solar inverter visible through the window](https://aka.doubaocdn.com/s/9DPQXYwDzK)

### Austrian tiny home

A tiny house on wheels uses a few roof panels for cooking, refrigeration and entertainment — a single-room, off-grid lifestyle load.

![Compact home utility closet in a small European apartment, a small cream solar inverter on a shallow wall shelf next to a plain grey fuse box and a small dark 12V leisure battery, tidy cables](https://aka.doubaocdn.com/s/HGnkYxL1Rh)

### Apartment backup

A small utility closet keeps a fridge, router and lights on a 12V battery during short outages; the ~10 ms transfer supports PC loads.

![Roof of a grey transit camper van parked on a Dutch canal-side street at golden hour, four small dark solar panels mounted flush on the roof and one small wall inverter by the open side door](https://aka.doubaocdn.com/s/vMLLNnOBoN)

### Van roof array

A four-panel van roof array (~900 W) feeds the inverter below the eaves — right at the maximum PV ceiling, with 3 panels the sweet spot.

## Shipping & returns

Policy point

Detail

Price

€149.99 EUR · In stock, new condition

Free delivery to

Europe

Handling / transit

Handling 1–3 days + transit 2–7 days, shipping rate EUR 0

Returns

30-day return window, by post, in original condition and packaging

Return cost

Buyer pays return shipping; original shipping is refunded; import duties and taxes are non-refundable

## Frequently asked questions

Is this inverter really 2.5KW — or is it 2000W?

The listing is named "2.5KW", but the linked engineering manual for model GSK-2KW-12V-WIFI — confirmed by the main spec image and the official PV table — rates continuous output at 2000W / 2kVA with a 3000VA (1.5×) surge. "2.5KW" is the storefront tier name. Size your loads for 2000W continuous, not 2500W.

What does the title's "120A" mean — is that a 120A solar charge?

No. The solar MPPT charge is 60A (50A PV input), the AC mains charger is 80A, and the maximum combined PV+AC charge is 120A. The "120A" in the title is that combined total, not a 120A solar charge. Never size your array around a 120A solar figure.

Can I parallel two GSIKE 12V units to get 4kW?

No. The manual lists Parallel Capability = NO — this is a single-unit inverter with a hard ceiling around 2000W. The infographic's "Parallel 6 units" icon is a 48V large-model template error. If you need more than about 2000W continuous, choose a larger 24V or 48V model rather than stacking this one.

Is this a dual-MPPT inverter — and what does "Dual Output" mean?

It is a single MPPT. "Dual Output" means two real AC terminals — a Main output and a Second output, both shared within the 2000W total — so you can separate critical loads. It is not two MPPT trackers, and this page never claims dual MPPT.

What size PV array does it accept — why only 900W?

There is one single MPPT working from 30 to 160 VDC with a 160V maximum open-circuit voltage, and the maximum PV array is 900W. Because the solar charge stage caps at 60A, the practical sweet spot is ~750W — the official example is three 250W panels in series (about 108V, 120V Voc under the 160V ceiling). The generic bullet's 500V / 100–120A figures are discarded template errors.

What 12V battery and cables does it need?

This is a 12V-only inverter (float 13.5V, overcharge protection 14.1V). At full 2000W it draws about 167A ideal (179A at 93% efficiency), so plan very thick, short battery cables — roughly 50–70 mm² for a 1% drop over just 1m — and keep the battery close to the inverter. A 12.8V 100Ah LiFePO4 gives ~1280Wh (~1024Wh usable at 80% depth of discharge), about half an hour at full 2000W; plan ~167Ah for one hour at 2000W.

Can it run without a battery?

Yes — it is specified to run on PV or mains with no battery connected, and LiFePO4 packs are activated from PV. The honest trade-off is that battery-free mode gives no power once the sun is down, so a 12V LiFePO4 bank is still required for evening or night loads.

Will it run my fridge, TV and laptop?

Yes. Buyers report a fridge, lights and laptop running steadily on pure-sine output, and the 3000VA surge can start a small fridge or pump. Stay within 2000W continuous total — this is a camper, cabin, garden-office and backup-essentials class, not a whole-house system.

How much is it, and what about shipping, returns and an IP rating?

The price is €149.99 EUR, in stock and new (SKU G2500EU12V). Shipping is free to 15 European countries (GB, DE, FR, IT, ES, NL, BE, AT, SE, DK, FI, IE, PT, PL, CZ) with 1–3 days handling plus 2–7 days transit, and a 30-day return window by post. The manual states no IP rating — only a detachable dust cover — so use it indoors or in a sheltered space; support is English-only and WiFi is an optional external module.

Does it have WiFi, LiFePO4 communication and output modes?

WiFi monitoring is an optional external module (reviewers find the remote status check useful). RS485 supports LiFePO4 communication and RS232 is also provided; a dry-contact connection supports a generator or ATS. The LCD sets the UTL / SOL / SBU / SUB output-priority modes, and the unit switches in about 10ms for PC loads (20ms for appliances) on a grid outage.

## Guides & comparisons

Go deeper before you buy:

[Best 2kW/12V hybrid inverters in Europe 2026 (6 models compared)](https://gesike.com/blogs/news/best-2kw-12v-hybrid-off-grid-solar-inverters-in-europe-2026-gsike-vs-easun-datouboss-anenji-more)

[GSIKE 2.5KW 12V vs EASUN vs DATOUBOSS head-to-head](https://gesike.com/blogs/news/gsike-2-5kw-12v-vs-easun-2-2kw-vs-datouboss-1800w-the-european-12v-2kw-hybrid-inverter-head-to-head)

[How to size a 2kW/12V off-grid system in Europe: 900W PV, battery and 12V cable math](https://gesike.com/blogs/news/how-to-size-a-2kw-12v-off-grid-solar-system-in-europe-with-gsike-900w-pv-lifepo4-battery-12v-cable-math)

[Run the GSIKE 2kW 12V inverter without a battery: dual output, modes and WiFi](https://gesike.com/blogs/news/running-the-gsike-2kw-12v-inverter-without-a-battery-in-europe-dual-ac-output-utl-sol-sbu-sub-modes-wifi-setup)

 

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## Details

- **Price:** 149.99 EUR
- **Vendor:** GSIKE
- **Type:** 12V Solar Inverter
- **Tags:** Original

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 149.99 EUR | In stock |

## Images

- GSIKE 2.5KW 12V Off-Grid Hybrid Inverter, 60A MPPT
- GSIKE Power 2.5KW Solar Inverter 12V 220V Off Grid Inverter 120A MPPT Solar Controller With WIFI
- GSIKE Power 2.5KW Solar Inverter 12V 220V Off Grid Inverter 120A MPPT Solar Controller With WIFI
- GSIKE Power 2.5KW Solar Inverter 12V 220V Off Grid Inverter 120A MPPT Solar Controller With WIFI
- GSIKE Power 2.5KW Solar Inverter 12V 220V Off Grid Inverter 120A MPPT Solar Controller With WIFI
- GSIKE Power 2.5KW Solar Inverter 12V 220V Off Grid Inverter 120A MPPT Solar Controller With WIFI
- GSIKE Power 2.5KW Solar Inverter 12V 220V Off Grid Inverter 120A MPPT Solar Controller With WIFI

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> Source: [Gsike](https://gesike.com/products/gsike-power-2-5kw-solar-inverter-12v-220v-off-grid-inverter-120a-mppt-solar-controller-with-wifi)
> Updated: 2026-10-19
