Yancheng Slong Machinery & Electric Co., Ltd. is one of the leading manufacturers and suppliers of slong hybrid backup generator compatible with solar inverter systems and off-grid energy applications in China. With abundant experience, we warmly welcome you to wholesale durable products in stock here and get quotation from our factory. All customized products are with high quality and low price.

Hybrid Backup Generator Compatible with Solar Inverter Systems and Off-Grid Energy Applications

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20 kW Residential Natural Gas LPG Gasoline Generator Three-Fuel Low Noise Design
| Model | SL-JK8 | SL-JK12 | SL-JK17 | SL-JK18 | SL-JK20 |
| Fuel Type | LPG & NG / Gasoline | LPG & NG / Gasoline | LPG & NG / Gasoline | LPG & NG / Gasoline | LPG & NG / Gasoline |
| Frequency (hz) | 50 / 60 | 50 / 60 | 50 / 60 | 50 / 60 | 50 / 60 |
| Voltage (v) | 220 120/240 | 220 120/240 | 220 120/240 | 220 120/240 | 220 120/240 |
| Gasoline(kw) | 8.0 / 8.5 | 12.0 /13.0 | 15.0 / 16.0 | 17.0 / 18.0 | 19.0 / 20.0 |
| LPG (kw) | 7.2 / 7.7 | 11.0 / 12.0 | 15.0 / 16.0 | 17.0 / 18.0 | 17.0 / 19.0 |
| NG (kw) | 6.5 / 7.0 | 10.0 / 11.0 | 14.0 / 15.5 | 15.0 / 17.0 | 15.0 / 17.0 |
| LPG consumption at 75% load (kg/h) | 2.14 | 3.34 | 3.76 | 3.79 | 3.81 |
| NG consumption at 75% load (m3/h) | 2.02 | 5.12 | 6.18 | 6.22 | 6.32 |
| Fuel Tank | 25 L | 50 L | 50 L | 50 L | 50 L |
| Noise level at 7m dB(A) | 69 | 69 | 69 | 69 | 69 |
| Starting system | Automatic Start | Automatic Start | Automatic Start | Automatic Start | Automatic Start |
| Displacement (cc) | 459 | 750 | 999 | 999 | 999 |
| Packing size (mm) | 1000 × 570 × 790 | 1320 × 730 × 1075 | 1320 × 730 × 1075 | 1320 × 730 × 1075 | 1320 × 730 × 1075 |
| Net / Gross weight (kg) | 169 / 180 | 310 / 335 | 327 / 352 | 327 / 352 | 327 / 352 |
| 20'ft / 40'hq | 66/ 138 | 24 / 54 | 24 / 54 | 24 / 54 | 24 / 54 |
Hybrid Backup Generator Compatible with Solar Inverter Systems and Off-Grid Energy Applications
🌞 Seamless Solar Integration
Designed to work with solar inverter systems, this hybrid generator ensures continuous power for homes, off-grid cabins, farms, and remote sites, optimizing renewable energy use and reducing fuel consumption.
⚡ Reliable Off-Grid Backup Power
Delivers stable electricity with 5kW–40kW output, supporting both single-phase and three-phase systems for residential and commercial off-grid applications.
🔥 Multi-Fuel Flexibility
Runs on LPG (Propane), Natural Gas (Methane), and optional Gasoline, giving versatile fuel options for remote locations or areas with limited grid access.
🔧 Smart Control & Easy Maintenance
Equipped with SmartGen controller, WiFi monitoring, automatic self-testing, and removable panels for fast servicing, ensuring safe and efficient operation even in challenging off-grid conditions.
🏭 Trusted Manufacturer with 20 Years Expertise
Produced by a professional multi-fuel generator factory with customizable logos, colors, labels, and packaging. Backed by a 2-year warranty and lifetime technical support, trusted by distributors and wholesalers worldwide.


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