• Gorilla Power 3500W Inverter Suitcase Generator - GP3500i – Powerful & Fuel Efficient
  • Gorilla Power 3500W Inverter Suitcase Generator - GP3500i – Powerful & Fuel Efficient
  • Gorilla Power 3500W Inverter Suitcase Generator - GP3500i – Powerful & Fuel Efficient
  • Gorilla Power 3500W Inverter Suitcase Generator - GP3500i – Powerful & Fuel Efficient
  • Gorilla Power 3500W Inverter Suitcase Generator - GP3500i – Powerful & Fuel Efficient
  • Gorilla Power 3500W Inverter Suitcase Generator - GP3500i – Powerful & Fuel Efficient
  • Gorilla Power 3500W Inverter Suitcase Generator - GP3500i – Powerful & Fuel Efficient
  • Gorilla Power 3500W Inverter Suitcase Generator - GP3500i – Powerful & Fuel Efficient
  • Gorilla Power 3500W Inverter Suitcase Generator - GP3500i – Powerful & Fuel Efficient
  • Gorilla Power 3500W Inverter Suitcase Generator - GP3500i – Powerful & Fuel Efficient
  • Gorilla Power 3500W Inverter Suitcase Generator - GP3500i – Powerful & Fuel Efficient
  • Gorilla Power 3500W Inverter Suitcase Generator - GP3500i – Powerful & Fuel Efficient
  • Gorilla Power 3500W Inverter Suitcase Generator - GP3500i – Powerful & Fuel Efficient
  • Gorilla Power 3500W Inverter Suitcase Generator - GP3500i – Powerful & Fuel Efficient
  • Gorilla Power 3500W Inverter Suitcase Generator - GP3500i – Powerful & Fuel Efficient
  • Gorilla Power 3500W Inverter Suitcase Generator - GP3500i – Powerful & Fuel Efficient
  • Gorilla Power 3500W Inverter Suitcase Generator - GP3500i – Powerful & Fuel Efficient
  • Gorilla Power 3500W Inverter Suitcase Generator - GP3500i – Powerful & Fuel Efficient
  • Gorilla Power 3500W Inverter Suitcase Generator - GP3500i – Powerful & Fuel Efficient
  • Gorilla Power 3500W Inverter Suitcase Generator - GP3500i – Powerful & Fuel Efficient
  • Gorilla Power 3500W Inverter Suitcase Generator - GP3500i – Powerful & Fuel Efficient
  • Gorilla Power 3500W Inverter Suitcase Generator - GP3500i – Powerful & Fuel Efficient
  • Gorilla Power 3500W Inverter Suitcase Generator - GP3500i – Powerful & Fuel Efficient
  • Gorilla Power 3500W Inverter Suitcase Generator - GP3500i – Powerful & Fuel Efficient
  • Gorilla Power 3500W Inverter Suitcase Generator - GP3500i – Powerful & Fuel Efficient
  • Gorilla Power 3500W Inverter Suitcase Generator - GP3500i – Powerful & Fuel Efficient
  • Gorilla Power 3500W Inverter Suitcase Generator - GP3500i – Powerful & Fuel Efficient
  • Gorilla Power 3500W Inverter Suitcase Generator - GP3500i – Powerful & Fuel Efficient
  • Gorilla Power 3500W Inverter Suitcase Generator - GP3500i – Powerful & Fuel Efficient
  • Gorilla Power 3500W Inverter Suitcase Generator - GP3500i – Powerful & Fuel Efficient

Optional Extras

  • 25 Metre Extension Cable Reel - 4 Gang 3120W

    25 Metre Extension Cable Reel - 4 Gang 3120W

    £89.95 Inc VAT

    [£74.96 Ex VAT]

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Gorilla Power 3500W Inverter Suitcase Generator - GP3500i – Powerful & Fuel Efficient

£499.00 Inc VAT

[£415.83 Ex VAT]

Quantity

IN STOCK

FULL DESCRIPTION

A Real Beast of a Machine - Gorilla Power

Gorilla Power GP3500i — 3500W Inverter Suitcase Generator

Compact muscle, clean power. With 3500W max / 3000W running and true sine-wave output, GP3500i is ideal for home backup, site tools, and sensitive electronics. Up to 14 hours runtime at ¼ load from a 6 L tank, and a low ~63 dB sound profile at 7 m.

🔎 Where This Model Sits in the Gorilla Power Range

From ultra-portable inverters to large dual-fuel & diesel sets — this GP3500i is a mid-portable inverter with higher headroom.

2.0kW Inverter — GP2000i 3.5kW Inverter — GP3500i 3.8kW Inverter ES — GP3800i 5.0kW Inverter — GP5000i 5.5kW Dual-Fuel — GP5500DF 6.5kW Dual-Fuel — GP6500DF 8.0kW Petrol — GP8000 8.3kW Dual-Fuel — GP8300DF 12.8kW Diesel — GP12800D

2.0kW3.53.85.05.56.58.08.312.8kW

💡 Key Features

  • 3500W max / 3000W running — more headroom for tools & appliances.
  • True sine-wave inverter — safe for laptops, TVs & sensitive kit.
  • Fuel efficient — up to 14 hours at ¼ load (6 L tank).
  • Quiet operation — ~63 dB @ 7 m.
  • Manual recoil start, parallel-ready, low-oil protection.

CampingHome EssentialsToolsHigh-Demand

Great for fridges, microwaves, heaters (1–1.5 kW), welders/hand tools (check start surges).

🔌 Sockets & Inputs — Front Panel at a Glance

2 × 240V AC (UK 3-pin)
Standard UK outlets for appliances & tools.
USB charging + 12V DC (5A)
Charge devices; panel includes 12V auxiliary output.
DC 5V Auto Auxiliary Outlet
Dedicated 5 V round port for low-voltage accessories.
Parallel ports
Link two GP3500i units for extra wattage.
Ground (earth) terminal
Added safety & compliance.

⚡ Running vs. Starting Watts — Know the Difference

Running watts = power to keep equipment operating.
Starting watts = brief surge to start motors/compressors.
Running watts (blue bar)
Starting watts (red marker)
Generator running capacity (dotted line)
GP3500i: 3500W max / 3000W running
Fridge-Freezer



03500W
Run ≈ 180W  |  Start ≈ 1200W
Microwave



03500W
Run ≈ 1000W  |  Start ≈ 1000W
Angle Grinder



03500W
Run ≈ 800W  |  Start ≈ 1400W
Circular Saw (7¼")



03500W
Run ≈ 1500W  |  Start ≈ 2400W

Typical values — always check your device’s label. If your largest starting surge approaches 3500W, avoid running other heavy loads simultaneously.

📐 What Size Generator Do I Need?

Item Typical Running Typical Starting GP3500i?
Laptop + Phone Charging 100–200W ≈ Same ✅ Easy
LED TV + Router + Lights 150–250W ≈ Same ✅ Easy
Fridge-Freezer 120–200W 800–1200W ✅ Yes
String Trimmer 300–350W 700–875W ✅ Yes
Hedge Trimmer 400–450W 900–1200W ✅ Yes
Drill 500–600W 800–900W ✅ Yes
Hand Sander 500–600W 900–1200W ✅ Yes
Paint Sprayer 500–600W ≈ 600W ✅ Yes
Work Light (LED/Halogen) 300–1000W ≈ Same ✅ Check total
Sump Pump (½ HP) 700–800W 1200–1300W ✅ Yes
Microwave 800–1200W ≈ Same ✅ Yes (solo heavy)
Small Heater (fan) 1000–1500W ≈ Same ✅ Yes (watch total)
Pressure Washer (small electric) 1000–1200W 1800–2400W ✅ Usually OK
Circular Saw (7¼") 1200–1800W 1800–2400W ✅ Usually OK
Air Compressor (small) 1400–1600W 3500–4500W ⚠️ Start can exceed
Water Heater (electric) 3000–4000W ≈ Same ❌ Needs larger unit

Guide only — add up running watts for items used together, then ensure the single highest starting surge stays within generator limits.

📊 Technical Specifications

Maximum Watts 3500W
Running Watts 3000W
Fuel Type Petrol
Runtime Up to 14 hours (¼ load)
Noise (7 m) Approx. 63 dB
Weight 21.5 kg
Fuel Tank 6 L
Oil Capacity 0.6 L
Starting System Manual recoil
Frequency 50 Hz

Instruction Manual (PDF)

🧠 Tips for Choosing the Right Generator

  • Total your running watts for everything you’ll use together.
  • Identify the largest starting surge and keep headroom.
  • Protect electronics — inverters (like GP3500i) output clean power.
  • Runtime matters — match tank size & Economy Mode to your day.
  • Scalability — parallel capability gives upgrade flexibility.
Reliable, Clean, Portable Power — Order your Gorilla Power GP3500i today.

CUSTOMER REVIEWS

Optional Extras

  • 25 Metre Extension Cable Reel - 4 Gang 3120W

    25 Metre Extension Cable Reel - 4 Gang 3120W

    £89.95 Inc VAT

    [£74.96 Ex VAT]