--- product_id: 533393728 title: "GENMAX Portable Generator,4000W ultra-quiet145cc Engine &Parallel and Series Ready, EPA & CARB Compliant, Eco-Mode Feature, Ultralightweight for Backup Home Use & Camping (GM4000iSAPC)" brand: "genmax" price: "¥294692" currency: JPY in_stock: true category: "Genmax" url: https://www.desertcart.jp/products/533393728-genmax-portable-generator-4000w-ultra-quiet145cc-engine-and-parallel-series store_origin: JP region: Japan --- # 4000W peak power Ultra-quiet operation Only 56.8 lbs lightweight GENMAX Portable Generator,4000W ultra-quiet145cc Engine &Parallel and Series Ready, EPA & CARB Compliant, Eco-Mode Feature, Ultralightweight for Backup Home Use & Camping (GM4000iSAPC) **Brand:** genmax **Price:** ¥294692 **Availability:** ✅ In Stock ## Summary > ⚡ Power up quietly, carry effortlessly, and never miss a beat! ## Quick Answers - **What is this?** GENMAX Portable Generator,4000W ultra-quiet145cc Engine &Parallel and Series Ready, EPA & CARB Compliant, Eco-Mode Feature, Ultralightweight for Backup Home Use & Camping (GM4000iSAPC) by genmax - **How much does it cost?** ¥294692 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/533393728-genmax-portable-generator-4000w-ultra-quiet145cc-engine-and-parallel-series) ## Best For - genmax enthusiasts ## Why This Product - Trusted genmax brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Carry It Anywhere:** At just 56.8 pounds with a sturdy handle, portability meets power for effortless transport and setup. - • **Smart Digital Control:** LCD display tracks runtime, voltage, and load so you stay informed and in control at all times. - • **Whisper-Quiet Performance:** Fully enclosed design and inverter tech reduce noise, perfect for camping or home backup without disruption. - • **Power That Keeps You Going:** 4000 starting watts and 3200 running watts deliver clean, stable power for all your sensitive electronics. - • **Safety First with CO Detect:** Automatic shutoff protects you from carbon monoxide hazards, ensuring peace of mind wherever you use it. ## Overview The GENMAX 4000iSAPC is a compact, ultra-quiet 4000W inverter generator powered by a 145cc 4-stroke engine. Weighing only 56.8 pounds, it features an LCD digital control center, CO detection safety shutoff, and supports parallel/series connections for expanded power. EPA and CARB compliant with eco-mode for fuel efficiency, it’s ideal for home backup and camping with up to 9 hours runtime on a 3.6-gallon tank. ## Description desertcart.com : GENMAX Portable Generator,4000W ultra-quiet145cc Engine &Parallel and Series Ready, EPA & CARB Compliant, Eco-Mode Feature, Ultralightweight for Backup Home Use & Camping (GM4000iSAPC) : Patio, Lawn & Garden ## Features - 【Strong Power】The GENMAX 4000iSAPC Starting Watts Inverter Generator is powered by a 145cc 4- stroke OHV gas engine,with inverter technology and Maganetic dipstick produce 4000 Starting Watts/ 3200 Running Watts clean power (less than 3% THD), confidently connect your sensitive electronics such as TV, lights, fans, small power tools and more on camping trips, etc - 【Silent And Ultra Lightweight】At only 56.8pounds, Light weight and compact , The sturdy handle makes it easy to carry for long distance.The fully enclosed design greatly reduces noise levels and is very quiet to use - 【Digital Control Center 】The Digital Control Center features an LCD display showing hours run, voltage output, and load level - 【Parallel&Series Connection Capability】Two 120v generators are combined into a 240V generator using a dedicated series parallel box (the series parallel box is sold separately) - 【Co Detect】 Automatically turns off the generator when an unsafe level of carbon monoxide is detected. - 【GENMAX Support】Includes 3-year warranty with FREE lifetime technical support from experts. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0C1NG8N19 | | Additional Features | Maganetic dipstick,Portable, Super Quiet | | Best Sellers Rank | #27,728 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #106 in Outdoor Generators | | Brand | GENMAX | | Brand Name | GENMAX | | Color | orange | | Customer Reviews | 3.9 out of 5 stars 58 Reviews | | Engine Displacement | 145 Cubic Centimeters | | Engine Power Maximum | 4 Kilowatts | | Engine Type | 4 Stroke | | Frequency | 60 Hz | | Fuel Type | Gasoline | | Ignition System Type | [NS] | | Included Components | 1 | | Item Dimensions L x W x H | 19.1"L x 11.2"W x 17.9"H | | Item Type Name | GENMAX Portable Inverter Generator,4000W ultra-quiet145cc engine &Parallel and Series Ready, EPA & CARB Compliant, Eco-Mode Feature, Ultralightweight for Backup Home Use & Camping (GM4000iSAPC) | | Item Weight | 56.8 Pounds | | Manufacturer | GENMAX | | Manufacturer Part Number | 4000W | | Material Type | Plastic | | Model Name | GM4000iSAPC | | Model Number | GM4000iSAPC | | Output Wattage | 4000 Watts | | Power Source | Gas-Powered | | Recommended Uses For Product | Residential | | Running Wattage | 3200 Watts | | Runtime | 9 hours | | Starting Wattage | 4000 Watts | | Tank Volume | 3.6 Gallons | | Total Power Outlets | 1 | | UPC | 742332650859 | | Unit Count | 1.0 Count | | Voltage | 4000 | | Warranty Description | 2 | | Wattage | 4000 | ## Product Details - **Brand:** GENMAX - **Fuel Type:** Gasoline - **Included Components:** 1 - **Item Weight:** 56.8 Pounds - **Output Wattage:** 4000 Watts - **Power Source:** Gas-Powered - **Recommended Uses For Product:** Residential - **Special Feature:** Maganetic dipstick,Portable, Super Quiet - **Voltage:** 4000 - **Wattage:** 4000 ## Images ![GENMAX Portable Generator,4000W ultra-quiet145cc Engine &Parallel and Series Ready, EPA & CARB Compliant, Eco-Mode Feature, Ultralightweight for Backup Home Use & Camping (GM4000iSAPC) - Image 1](https://m.media-amazon.com/images/I/71hh49ReVuL.jpg) ![GENMAX Portable Generator,4000W ultra-quiet145cc Engine &Parallel and Series Ready, EPA & CARB Compliant, Eco-Mode Feature, Ultralightweight for Backup Home Use & Camping (GM4000iSAPC) - Image 2](https://m.media-amazon.com/images/I/81Uj0UI-9aL.jpg) ![GENMAX Portable Generator,4000W ultra-quiet145cc Engine &Parallel and Series Ready, EPA & CARB Compliant, Eco-Mode Feature, Ultralightweight for Backup Home Use & Camping (GM4000iSAPC) - Image 3](https://m.media-amazon.com/images/I/71adguwECjL.jpg) ![GENMAX Portable Generator,4000W ultra-quiet145cc Engine &Parallel and Series Ready, EPA & CARB Compliant, Eco-Mode Feature, Ultralightweight for Backup Home Use & Camping (GM4000iSAPC) - Image 4](https://m.media-amazon.com/images/I/71S8CVlSzYL.jpg) ![GENMAX Portable Generator,4000W ultra-quiet145cc Engine &Parallel and Series Ready, EPA & CARB Compliant, Eco-Mode Feature, Ultralightweight for Backup Home Use & Camping (GM4000iSAPC) - Image 5](https://m.media-amazon.com/images/I/714NBVkvLaL.jpg) ## Available Options This product comes in different **Style** options. ## Questions & Answers **Q: Does it have a 20A connection for an RV?** A: Yes it can be used for RV appliances. It's ha 2 20A plugs **Q: Can you buy extended warranty?** A: Yes **Q: How many hours on a full tank of gas?** A: 8 hours ## Frequently Bought Together - GENMAX Generator，EPA Compliant, Eco-Mode Feature, Ultra Lightweight for Backup Home Use & Camping - WEN 55201 Magnetic Oil Dipstick for Inverter Generators (compatible with WEN, Yamaha, Predator) - Magicalmai Inductive Hour Meter for Gas Engine Generator Lawn Mower Pressure Washer Marine ATV Boat Outboard Motor Dirt Bike Motorcycle Waterproof Hr Meters - Black --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/533393728-genmax-portable-generator-4000w-ultra-quiet145cc-engine-and-parallel-series](https://www.desertcart.jp/products/533393728-genmax-portable-generator-4000w-ultra-quiet145cc-engine-and-parallel-series) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-07-19*