EnginStar Portable Power Station 300W vs HOWEASY Portable Power Station,135W Solar
Updated July 2026 — EnginStar Portable Power Station 300W leads on capacity and output.
EnginStar offers significantly more power and capacity, making it ideal for extensive use, while HOWEASY is a lightweight option for casual users.
Why EnginStar Portable Power Station 300W is better
Higher Capacity
EnginStar has a capacity of 296Wh compared to HOWEASY's 98Wh.
More Output
EnginStar provides 300W output versus HOWEASY's 135W.
More Ports
EnginStar features 8 output ports compared to HOWEASY's fewer options.
Why HOWEASY Portable Power Station,135W Solar is better
Lighter Weight
HOWEASY weighs only 2.3 lbs compared to EnginStar's 6.5 lbs.
Compact Size
HOWEASY's dimensions are smaller at 6.6 x 4 x 3 inches.
Faster Charging
HOWEASY can charge to 80% in 1 hour, faster than EnginStar.
Overall score
Specifications
| Spec | EnginStar Portable Power Station 300W | HOWEASY Portable Power Station,135W Solar |
|---|---|---|
| Charging Methods | 3 methods | 3 methods |
| AC Outlets | 2 | 2 |
| USB Ports | 5 | 3 |
| Safety Features | Advanced BMS | 6-Layer BMS |
| Warranty | 12 months | 24 months |
Dimension comparison
Overview of EnginStar and HOWEASY
The EnginStar Portable Power Station offers a capacity of 296Wh, while the HOWEASY Portable Power Station has a smaller capacity of 98Wh. EnginStar is priced at $199.99, making it about 81% more expensive than HOWEASY, which retails for $109.99. This significant price difference reflects their intended uses and target markets, with EnginStar catering more to extensive power needs.
EnginStar provides a higher output of 300W, which allows it to power more demanding devices compared to HOWEASY's 135W output. This difference makes EnginStar more suitable for outdoor activities like camping and emergency situations where multiple devices need charging simultaneously.
Portability and Design
Portability is a key factor for power stations, and the HOWEASY is notably lighter, weighing only 2.3 lbs, compared to EnginStar's 6.5 lbs. This makes HOWEASY about 65% lighter, making it easier to carry on outdoor trips or for travel. The dimensions of HOWEASY are also more compact at 6.6 x 4 x 3 inches versus EnginStar's 9 x 5.5 x 7.5 inches.
Despite its heavier weight, EnginStar's design still emphasizes portability, being easy to transport and store. However, for those prioritizing lightness, HOWEASY presents a more convenient option.
Charging Options
EnginStar offers three charging methods: via a solar panel, wall outlet, or car socket, with a maximum charging speed of 65W that allows it to reach 80% in just 2 hours. HOWEASY also boasts versatile charging options, including solar panels, car chargers, and a wall adapter, promising an 80% charge in one hour through its 65W PD port.
Both products enable users to recharge conveniently while on the go. However, EnginStar's larger capacity may take longer to charge fully compared to HOWEASY, which is designed for quicker recharges, making it ideal for users who need power on short notice.
Output and Port Availability
EnginStar features two 110V pure sine wave AC outlets and a total of eight output ports, allowing it to charge multiple devices simultaneously. In contrast, HOWEASY provides two AC outlets along with additional ports for various devices, including a 65W PD port and several USB options.
EnginStar's higher output capability and more extensive port availability cater to those who demand more power and versatility, such as outdoor enthusiasts needing to charge larger devices like laptops and drones. HOWEASY, while capable, is better suited for smaller devices, making it an excellent choice for casual users.
Safety Features
Both power stations prioritize safety with advanced battery management systems. EnginStar includes features for voltage control and temperature management, protecting against overcharging and overload. HOWEASY also employs a six-fold BMS to prevent issues like overvoltage and overheating.
Despite the differences, both brands ensure their users can operate their devices safely and efficiently. EnginStar's emphasis on a more extensive safety system aligns with its higher capacity, while HOWEASY provides adequate safety for its smaller scale.
Use Cases
EnginStar is ideal for extensive outdoor activities, camping, and emergency situations due to its larger capacity and higher output. It can power multiple devices, making it perfect for group outings or situations requiring reliable energy sources. Meanwhile, HOWEASY shines in travel contexts, being airline-safe and lightweight, ideal for solo travelers or minimalists.
Each product serves distinct purposes; EnginStar caters to heavy users needing more power, while HOWEASY fits neatly into the lifestyle of those seeking convenience and portability.
Price Comparison
EnginStar is priced at $199.99, while HOWEASY costs $109.99, making EnginStar about 81% more expensive. This price difference reflects the significant disparity in their power capacities and intended uses. For budget-conscious consumers or those who require less power, HOWEASY offers a compelling option without compromising essential features.
Despite the higher price, EnginStar’s performance and output capacity may justify the investment for users needing a robust power solution. However, for casual users, HOWEASY presents a more economical choice.
Which should you buy?
Choosing between the EnginStar and HOWEASY Portable Power Stations ultimately depends on your power needs and intended use. If you require a more powerful generator for extensive outdoor activities or emergencies, EnginStar is the superior choice with its higher capacity and extensive output options. However, for those prioritizing portability, lighter weight, and a lower price point for casual use, HOWEASY stands out as an excellent alternative. Consider your specific requirements carefully before making a decision.

