
( Brand: Coleman ), ( Manufacturer Part Number: PMP350 ), ( Type: Pure Sine Inverter ), ( Input Voltage: 12v ), ( Features: On/off Switch ), ( Rms Power: 350w ), ( Output Voltage: 120v ), ( Country Of Origin: China )
The **Coleman Powermate 350 Inverter Generator (PMP350 Roadmaster)** is a robust and versatile power solution designed to deliver reliable electricity for a wide range of applications, from home backup power to outdoor adventures. Engineered with Coleman s signature durability and efficiency, this 350-watt inverter generator combines cutting-edge technology with user-friendly features to provide clean, stable power when and where you need it most. Powered by a powerful 124cc OHV two-cycle engine, the Powermate 350 delivers a consistent output of 350 watts (280 watts continuous) and 700 watts (560 watts continuous) in peak surge capacity, making it ideal for running essential appliances, power tools, small refrigerators, CPAP machines, laptops, and even portable heaters or fans during extended outages or camping trips. Its **inverter technology** ensures that the power produced is smooth, stable, and free from the harmful voltage spikes and fluctuations common in traditional generators, protecting sensitive electronics like smartphones, tablets, and medical devices from potential damage.
One of the standout features of the Powermate 350 is its **compact yet sturdy design**, which includes a **foldable handle and a lightweight yet durable frame** for easy transport. Weighing just under 40 pounds, this generator is far more portable than many larger models, making it a perfect companion for tailgating, road trips, or emergency preparedness. The **120V AC outlet** provides standard household power, while the **12V DC outlet** offers additional flexibility for charging batteries, powering car accessories, or running small 12V devices. For added convenience, the Powermate 350 includes a **30A RV-ready outlet**, allowing users to connect to larger appliances or even power a small RV s lights and fans with the right adapter. The generator also features an **automatic low-oil shutdown** for safety, ensuring the engine won t run dry and prolonging its lifespan, while the **easy-start pull-cord** and **reciprocating pull-start** make ignition effortless, even in cold conditions.
Safety and efficiency are prioritized with features like a **low-noise operation** (around 68 dB at 23 feet), making it suitable for use in residential areas or near sleeping quarters without disturbing others. The Powermate 350 also includes a **fuel gauge** to monitor oil levels and a **fuel shutoff valve** for quick refueling without draining the tank completely. Coleman s reputation for reliability is reinforced by the inclusion of a **two-year limited warranty**, providing peace of mind for consumers investing in a long-term power solution. Whether you're a weekend warrior, a homeowner preparing for storms, or an outdoor enthusiast seeking off-grid independence, the **Coleman Powermate 350 Inverter Generator** strikes an ideal balance between performance, portability, and ease of use, ensuring you stay powered up wherever your adventures or emergencies take you.
The Coleman PowerMate 350 (PMP350) is a popular portable power station designed for off-grid use, offering a balance of capacity, inverter quality, and versatility. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.
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### **Pros of the Coleman PowerMate 350**
1. **Decent Power Capacity (350Wh)**
- Sufficient for small to moderate power needs, such as charging laptops, smartphones, or running small appliances like mini-fridges or CPAP machines for short periods. The 350Wh capacity is larger than many basic portable power stations, making it more versatile than ultra-compact models.
2. **Pure Sine Wave Inverter (120V, 300W Continuous / 600W Surge)**
- A pure sine wave inverter is safer and more compatible with sensitive electronics (e.g., laptops, medical devices, or tools) compared to modified sine wave inverters, which can cause issues with certain devices.
3. **Multiple Charging Options**
- The PowerMate 350 supports multiple charging methods, including:- **AC outlet (120V)** Standard charging via household power.
- **12V car outlet** Convenient for vehicle use or while boondocking.
- **Solar charging (via MC4 ports)** Compatible with solar panels (though the included solar input is limited to 10A, so you d need to purchase a separate solar panel for efficient charging).
- This flexibility makes it adaptable for camping, tailgating, or emergency backup power.
4. **Portable and Lightweight (20 lbs)**
- At around 20 pounds, it s relatively easy to carry compared to larger power stations (e.g., EcoFlow Delta or Bluetti AC200P, which can weigh 50 lbs). The compact size makes it suitable for travel or temporary use.
5. **Built-in USB and 12V Ports**
- Includes multiple USB ports (including USB-C) and a 12V DC outlet, allowing direct charging of devices without needing adapters. This adds convenience for quick power needs.
6. **Low Noise Operation**
- Unlike some larger generators or power stations, the PowerMate 350 runs quietly, making it ideal for camping or residential use where noise is a concern.
7. **Affordable Price Point**
- Compared to higher-end power stations (e.g., Jackery Explorer 1000 or Bluetti EB3A), the PowerMate 350 offers a cost-effective solution for basic to moderate power demands. It s often priced under $300, which is competitive for its capacity.
8. **LED Display and User-Friendly Interface**
- The display provides clear information about battery status, output power, and charging progress. The controls are straightforward, making it accessible for beginners.
9. **Pass-Through Charging**
- While not as robust as some competitors, the PowerMate 350 allows you to charge devices while simultaneously drawing power from the battery, though this may limit overall runtime.
10. **Durable Construction**
- Built with a sturdy plastic casing and designed to withstand outdoor use, though it s not as rugged as some military-grade power stations.
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### **Cons of the Coleman PowerMate 350**
1. **Limited Runtime for High-Demand Devices**
- The 350Wh capacity is adequate for low-power devices (e.g., phones, tablets, or small fans) but may struggle with higher-wattage appliances for extended periods. For example:
- A 100W LED light might run for 3.5 hours.
- A 50W laptop could last 5-7 hours, but this depends on usage.
- A mini-fridge (e.g., 80W) might run for 3-4 hours before needing recharging.
- If you need to power larger devices (e.g., a TV, microwave, or power tools), this unit will drain quickly and may not be sufficient.
2. **Slow Solar Charging Without Additional Equipment**
- The PowerMate 350 includes a 10A solar input, but this is not enough for efficient solar charging unless you re in direct sunlight for extended periods. To maximize solar charging, you d need to purchase a higher-wattage solar panel (e.g., 100W or 200W), which adds to the cost. Many users find that AC or car charging is faster for this unit.
3. **No Built-in Wi-Fi or Smart Features**
- Unlike some modern power stations (e.g., EcoFlow or Bluetti models), the PowerMate 350 lacks smart connectivity features like Wi-Fi, Bluetooth, or app control. This means you can t monitor or control it remotely, which may be a drawback for tech-savvy users.
4. **No MPPT Solar Charging Controller**
- The PowerMate 350 uses a basic PWM (Pulse Width Modulation) solar charging controller, which is less efficient than MPPT (Maximum Power Point Tracking) controllers. MPPT controllers can charge batteries faster and more efficiently, especially in low-light conditions. This can result in slower solar charging compared to units with MPPT.
5. **No Battery Replacement Option**
- The battery is likely sealed and not user-replaceable. If the battery degrades over time (common in lithium-ion batteries after 300-500 cycles), you may need to replace the entire unit, which could be costly.
6. **Limited Output Ports**
- While it includes USB and 12V ports, the number of high-wattage outlets is limited. There s only one 120V AC outlet, which can be a bottleneck if you need to power multiple devices simultaneously. Some users may need to use adapters or splitters, which can reduce efficiency.
7. **No Built-in Inverter Protection for All Devices**
- While it s a pure sine wave inverter, some very sensitive electronics (e.g., certain medical devices or high-end audio equipment) may still require additional protection or may not be fully compatible. Always check compatibility before use.
8. **No Pass-Through Charging for High-Wattage Devices**
- The unit cannot charge devices while simultaneously running high-wattage appliances. For example, you can t charge a laptop while running a mini-fridge without draining the battery quickly.
9. **Brand Reputation and Customer Support**
- Coleman is a well-known brand for camping gear, but its power stations are not as highly regarded as dedicated brands like Jackery, EcoFlow, or Bluetti. Some users report inconsistent customer support or warranty issues, though this varies by region.
10. **No Built-in Battery Management System (BMS) Details**
- While most lithium-ion batteries have BMS for safety, the specifics of the PowerMate 350 s BMS (e.g., overcharge protection, temperature monitoring) are not always clearly communicated. This could be a concern for users who prioritize battery longevity and safety.
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### **Conclusion**
The Coleman PowerMate 350 is a solid choice for users who need a **portable, mid-sized power station** for **light to moderate off-grid power needs**. It excels in scenarios where you require a **reliable, quiet, and versatile** unit for camping, tailgating, or emergency backup power. Its **pure sine wave inverter, multiple charging options, and affordability** make it a practical option for those who don t need high-capacity power or advanced smart features.
However, it is **not ideal** for users who require:- **Long runtime for high-wattage devices** (e.g., power tools, TVs, or large appliances).
- **Efficient solar charging** without additional equipment.
- **Smart features or remote monitoring**.
- **Heavy-duty or industrial use**.
If your power needs are **small to moderate** and you prioritize **portability, simplicity, and cost-effectiveness**, the PowerMate 350 is a worthwhile investment. For **heavier users or those who need higher capacity**, you may want to consider alternatives like the **Jackery Explorer 500, EcoFlow Delta Max, or Bluetti EB3A**, which offer larger capacities, better solar compatibility, and advanced features.
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### **Recommendation**
**Buy the Coleman PowerMate 350 if:**- You need a **portable power station** for **camping, RV use, or emergency backup**.
- Your power needs are **primarily for charging laptops, phones, small appliances, or running a mini-fridge for short periods**.
- You prefer a **quiet, lightweight, and affordable** option without advanced smart features.
- You re okay with **slower solar charging** and may supplement it with AC or car charging.
**Avoid the Coleman PowerMate 350 if:**- You require **long runtime for high-wattage devices** (e.g., power tools, TVs, or air conditioners).
- You need **efficient solar charging** without purchasing additional equipment.
- You want **smart features, remote monitoring, or app control**.
- You re looking for a **long-term, high-capacity solution** for off-grid living or remote work.
**Alternatives to Consider:**- **For higher capacity and better solar:** Jackery Explorer 1000 or EcoFlow Delta Max.
- **For ultra-portability:** Anker PowerStation 201 or BioLite CampStove PowerPack.
- **For rugged, high-performance use:** Bluetti EB
The on/off switch feature ensures easy control, and its durable construction makes it a trustworthy companion for your travels. The Coleman Powermate 350 Watt Pure Sine Inverter, model PMP350, is a reliable and efficient power inverter that allows you to convert DC from your vehicle into AC power, perfect for powering various electronics while on the road. The Roadmaster converter AC current to DC current.Both tested and working. Made in China, this Coleman inverter is a top choice for those needing reliable power solution while on the go.