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HH4000I
HuaHe
Product Overview
The HH4000i is a digital inverter gasoline generator designed for home backup, outdoor camping, RV trips, and small job sites. Powered by a 212cc HH170F 4-stroke engine, it delivers a rated output of 3.5kW and a maximum output of 4.0kW. Featuring TCI ignition and advanced inverter technology, it outputs pure sine wave power with a total harmonic distortion (THD) ≤2.5%, making it safe for sensitive electronics like laptops, smartphones, TVs, and medical devices. With a dry weight of only 31kg, recoil + electric start, a 9-liter fuel tank, and a noise level of ≤74dB at 7 meters, the HH4000i is your perfect portable power companion.

FAQ
Q1: Can the HH4000i run a refrigerator and an AC at the same time?
A: Yes. Rated 3.5kW can handle a small fridge (≈150W) plus a 1 HP AC (≈800W), with spare capacity for lights and phone charging. Keep total load below 3.5kW.
Q2: Is this generator suitable for an RV?
A: Absolutely. It is compact, lightweight, quiet, and outputs pure sine wave – safe to power RV microwave, battery charger, TV, and other onboard electronics.
Q3: How often should I change the engine oil?
A: First change at 20 hours, then every 50 hours or every 3 months. Oil capacity is 0.6L. Recommended SAE 10W-30.
Q4: Why is THD ≤2.5% important?
A: THD below 5% is considered pure sine wave. ≤2.5% is even better than many household grids. It safely runs inverter ACs, laser printers, CPAP machines, and other sensitive devices.
Q5: Can I use it in the rain or with wet hands?
A: HH4000i has IP23M protection – rain resistant but not waterproof. Always use in a dry, ventilated area. For rainy days, an optional rain cover is recommended.
Model |
HH4000i |
| Type | Inverter |
| Protection class | IP23M |
Continuous AC output(S1) |
3600W |
Maximum AC output(S2 5minute) |
4000W |
AC Rated voltage |
220V |
Rated current |
8.7A |
AC Frequency |
50HZ |
| Engine Model | HH170F |
| Engine type | 1 cylinder,4-stroke,air-cooled |
| Cylinder bore*stroke(mm) | 70*55 |
| Cylinder capacity | 212cm³ |
| Displacement(cc) | 212 |
| Ignition plug model | F7RTC |
| Sparking model | TCI |
| Rated engine (hp/rpm) | 6.5/3600 |
| Maximum engine (hp/rpm) | 7.5/3600 |
Fuel |
Petrol |
| Engine oil | 15W-40 |
| Machine oil capacity(L) | 0.6L |
Sound power level |
74dB |
Power factor |
1 |
Performance class |
G1 |
| Quality class | A |
| Efficiency | 82% |
| Waveform deviation factor | ≤2.5% |
| Fuel Tank Capacity(L) |
9L |
| Run Time | 4.5hours@75%load |
| Starting System | Recoil Start/Electric Start |
| Net Weight(kg) |
31 |
| Packing Dimensions(mm) | 580*440*445 |
| Quantity20’/40’/40’H | 250/510/600pcs |
Our products have a one-year warranty period (prerequisite: in case of unintentional damage)
Key Features
· Pure Sine Wave with THD ≤2.5%
Inverter technology ensures stable voltage and clean power – safe for high‑end electronic devices.
· High Efficiency – 82%
More fuel‑efficient than conventional generators (typically 65-70%), giving you longer runtime per tank.
· Ultra Quiet Operation
Only 74dB at 7 meters – 15‑20% quieter than open‑frame traditional generators. Ideal for residential areas and campsites.
· Dual Start: Recoil + Electric
Standard hand recoil plus electric start (battery ready). Easy firing in cold weather or emergencies.
· Lightweight & Compact
3. Net weight 31kg, dimensions 580×440×445mm. One person can lift and transport it easily.
· TCI Transistor Ignition
5. Faster startup, cleaner combustion, less carbon buildup.
· Large Fuel Tank & Long Runtime
9L fuel capacity – runs approximately 7‑9 hours at 50% load (typical consumption estimate).
· Container Loading Friendly
20' container: 250 units, 40'HQ: 600 units – ready for global export.
Competitive Advantages vs. Traditional Generators
| Parameter | Traditional 3.5kW Open‑Frame Gen | HH4000i Inverter Generator |
| Waveform THD | 5% – 10% | ≤2.5% |
| Noise @7m | 85 dB– 92dB | ≤74dB |
| Efficiency | 65% – 72% | 82% |
| Start method | Usually recoil only | Recoil + Electric |
| Weight | 38 – 45kg | 31kg |
| Electronics safety | High risk of damage | Pure sine wave, fully safe |
Pain Point Solutions
User Pain Point1:Too noisy for campsites or neighbours
HH4000i Solution:74dB quiet operation – suitable for residential and night use
User Pain Point2:Unstable voltage damages computers / ACs
HH4000i Solution:THD ≤2.5% pure sine wave protects sensitive devices
User Pain Point3:Too heavy to move around
HH4000i Solution:Only 31kg with built‑in handle – easily moved by one person
User Pain Point4:Frequent refueling
HH4000i Solution:82% efficiency + 9L tank gives longer run times
User Pain Point5:Hard to pull‑start in cold weather
HH4000i Solution:Electric start with TCI – reliable one‑button ignition