Skip to content
GIANDEL 2000 Watt Pure Sine Wave Power Inverter

GIANDEL 2000 Watt Pure Sine Wave Power Inverter

By GIANDEL · Portable Power Stations · Audio & Electronics

  • 2000W continuous power
  • 4100W surge (2s)
  • 12V DC to 120V AC pure sine wave
  • 2 GFCI outlets
  • Efficiency >91%

Price not listed

New
Used, refurbished, open-box

Stores are listed in a fixed order, never by price or commission. Prices are snapshots. Check the current price with the store.

Problems, parts and running costs

Summary

A 2000 W pure sine wave inverter that turns a 12 V battery into 120 V AC for RV, marine and off-grid solar use. Check the supplied 5 AWG battery cables before you buy: forum owners debate whether they can sustain full-load output.

Strengths

  • 2000 W of pure sine wave output with a 4100 W surge window is well specified for a budget inverter.
  • Two 20 A GFCI outlets cover most household loads without a second unit.
  • Battery chemistry selection and adjustable low-voltage protection suit mixed LiFePO4, lead-acid, AGM and GEL banks.
  • A 15 ft wired remote and a 50 ft wireless controller let you run the inverter from inside the cabin or van.
  • Owners report running refrigerators, window air conditioners, gaming PCs and CPAP machines without issues.
  • An 18-month warranty is longer than the 1-year cover reported for the GIANDEL 2200 W model.

Weaknesses

  • No independent instrumented test of this exact model exists, so the efficiency, THD and surge claims rest on manufacturer copy.
  • Supplied 5 AWG battery cables are debated as undersized for sustained 2000 W output, with voltage drop and heat the reported failure path.
  • The cooling fan is noticeable under load, and the page does not specify a fan threshold or noise level.
  • Overload protection trips in the 2001–2200 W band, so loads held near 2000 W can show “OL”.
  • The page claims UL-listed core components and UL458-listed outlets, not a whole-unit UL/ETL listing, and a Reddit owner warns these units may not be ideal to run unattended.
  • There is no public parts or accessory catalog for this model, so repairability is unverified.

Verified specifications

ModelGS-2000SAR (SKU GS-2000SAR-USA).
Input and output12 V DC in, 120 V AC at 60 Hz out.
Waveformpure sine wave.
Continuous power2000 W.
Surge power4100 W for up to 2 seconds.
Total harmonic distortion≤3%.
Efficiency

91%, a manufacturer spec with no independent measurement for this model.

Input voltage range9.8–16 V DC.
Output voltage120 V AC ±10%.
Standby current2 A.
Outletstwo UL458-listed 20 A GFCI sockets; no AC terminal block.
Protectionover-voltage shutdown at 16 V ±0.5 V (“HI”), under-voltage alarm at 9.8 V ±0.5 V, and low-voltage protection at 9.5 V ±0.5 V (“LO” with a continuous beep).
Overload and short circuitboth show “OL”; overload trips in the 2001–2200 W band.
Overheat protection65 ±5 °C (149 °F).
USB chargingUSB-C Power Delivery up to 36 W plus Quick Charge 3.0.
Battery chemistryselectable Lithium (LiFePO4), Lead-Acid, AGM and GEL, with low-voltage protection adjustable from 9.5 V to 11 V.
DisplayLCD showing battery voltage, output power, load power, frequency, protection modes and warnings.
Dimensions14 × 8 × 3.9 in.
Weight4.3 kg (≈9.5 lb).
Cablestwo 5 AWG battery cables, 2 ft each; wired remote, 15 ft, 4P4C; wireless controller, 50 ft.
Warranty18 months material and workmanship, plus a 30-day money-back guarantee.
Full research notes and sources

Output, outlets and protection

GIANDEL rates the GS-2000SAR at 2000 W continuous and 4100 W for two seconds of surge, with THD at or below 3% and efficiency above 91%. Those last two figures are manufacturer claims: no credible instrumented test of this exact model was found, so treat them as unverified.

Two UL458-listed 20 A GFCI outlets are the main AC outputs; there is no AC terminal block. The protection set is broad: over-voltage shutdown at 16 V ±0.5 V, an under-voltage alarm at 9.8 V ±0.5 V, and low-voltage protection at 9.5 V ±0.5 V that flashes “LO” and beeps continuously. Short circuit and overload both raise “OL”, with overload tripping once the load passes 2001–2200 W, and overheat protection cuts in at 65 ±5 °C (149 °F). GIANDEL’s own troubleshooting guide lists low input voltage, overload, over-temperature and high input voltage as the common trips.

The UL-listed core components and UL458-listed outlets do not amount to a whole-unit safety listing, and a r/SolarDIY owner comment warns that GIANDEL and VoltWorks units may not be ideal to run unattended and that UL/ETL-listed units are the safer pick where that matters.

Cables and installation

Installation is where owners push back. The supplied battery cables are 5 AWG and 2 ft long, and forum members report they can be undersized for a 12 V 2000 W load, with voltage drop and heat at the cable or breaker the reported failure path. The recommendation in those threads is 70 mm² (about 2/0 AWG) pure copper with 105 °C insulation and a 300 A fuse. A 2000 W 12 V inverter can draw up to about 200 A at full load, so cable and fuse sizing is a real install cost, not a detail.

The unit also reads the battery type: you can select Lithium (LiFePO4), Lead-Acid, AGM or GEL, and set the low-voltage protection threshold anywhere from 9.5 V to 11 V, which helps on mixed banks. GIANDEL warns that reverse-connected cables will damage the inverter and void the warranty.

Warranty, parts and running costs

Warranty is 18 months for material and workmanship, with a 30-day money-back guarantee. Claims after 30 days need proof of purchase (order number, platform, invoice or transaction ID, photos or video) and go through support@giandel.com.au; the warranty excludes misuse, unauthorized resellers, third-party repairs and expired cover. GIANDEL’s maintenance guidance is to keep the vents unobstructed, run it cool, dry and ventilated, avoid operating it while the battery is charging, and measure output with a true RMS meter.

No public parts or accessory catalog for the GS-2000SAR was found on giandel.com, so long-term repairability is unverified. The recurring costs are the battery bank itself, replacement fuses, and battery cable if you upsize it; there is no fuel or subscription.

Is it worth it?

The manufacturer listed the GS-2000SAR at $238.82 (compare-at $268.82) on giandel.com at the time of check (2026-10-20), when the page showed it out of stock. For intermittent 12 V to 120 V power at up to 2000 W, with GFCI outlets, USB-C charging, a remote and an 18-month warranty, that is competitive in the budget tier. Value weakens if you need quiet operation, unattended running, or a documented whole-unit UL/ETL listing, where higher-priced units are better documented. Because no independent test exists for this SKU, weigh the price against the return policy and warranty terms rather than the spec sheet.

Which model this is

This page covers the GIANDEL 2000 Watt Pure Sine Wave Power Inverter, manufacturer model GS-2000SAR, SKU GS-2000SAR-USA, sold on giandel.com as the 2000 W inverter with 4100 W surge. The Amazon listing for this model is ASIN B0DPLWKS7L. Don’t confuse it with the GIANDEL PS-2000SDR (2000 W, 4000 W surge, an AC terminal block and USB-C 30 W) or the older PS-2000SAR and PS-1500SAR models, which carry their own separate manual.

Sources

Manufacturer:

Independent reviews:

Owner reports:

Manuals and related models:

Buying guides for this category

Related products