300W Portable Power Station Supplier

Leeline Energy delivers you the best portable power station 300W off-grid solar panel. Advance designs and abundant features to ELEVATE your business offerings and value. Attract eco-friendly customers with affordable prices to MULTIPLY YOUR PROFITS.

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Premium 300W Portable Power Station Features

We source you a reliable and versatile 300 portable power station for your customer’s needs. You unlock new and lucrative REVENUE STREAMS, boosting your business success.

Equipped with High-Quality Lithium Battery:

The heart of our 300W Portable Power Station is its auto-level lithium battery cell. Designed to be CHARGE and DISCHARGED 800 times. Each cycle discharges the battery to 80% DOD of its full capacity. 

FAST CHARGING with a battery voltage of 11.1 volts. Stores up to 75000mAh battery capacity. Long battery life attracts customer’s interest. You increase BRAND LOYALTY.

Easy to Carry and Space-Saving for Great Outdoors:

Portable design makes it SUPER EASY to carry for customers’ outdoor adventures. Our Power Station weighs only 8.37 lbs (3.8 kg). Making it a LIGHTWEIGHT companion for a camping trip. 

Their compact sizes of 157*195*230 mm attract buyers. Those who are looking for a convenient power supply solution. You save money on EXPENSIVE marketing campaigns AND storage fees. Enjoy BIGGER PROFITS!

Power up to 9 Devices:

We designed our power station with 9 versatile outlets. Perfect for outdoor activities and home backup. Including AC outlets, DC12V ports, USB ports, and a USB-C PD port. And a regulated carport for car charging. 

Customers fully charge multiple devices during POWER OUTAGES. These include power banks, camping lights, a portable speaker, and a laptop. Thanks to our standard power voltage of both 110 VAC and 210 VAC Output. You increase product RELIABILITY and customer retention. 

Guarded by Secure BMS & MCU System:

Every Power Station has a built-in BMS and MCU system. Providing an EXTENSIVE set of safety and security for our battery systems. We layered each power station with 12 protection security. Including Short-Circuit, Over-Current, Over-Voltage, Low-Voltage, Overload and Over-Temperature protections.

Operates in a temperature range of 0°C to 40°C effectively. You offer enhanced PEACE OF MIND to your customers. Increasing their trust and purchasing ability in your brand.

Easy After-Sale Maintenance:

Modular design enhances the ease of AFTERCARE SERVICE. The main control board, inverter board, and battery protection board simplify maintenance. These three essential components have BUILT-IN monitoring and control features.

One-year warranty to save you from costly downtime because of SYSTEM FAILURES. You reduce the TIME and EFFORT required for repairs.

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Advantages Of The Best 300W Portable Power Station Services

Premium Material Quality 

Premium Material Quality

Professionals INSPECT each component used before production and assembly. Guaranteeing standard quality and fatigue resistance of solar panels. You deliver products that LAST. Increasing CUSTOMER SATISFACTION.  

Low Freight Cost 

Low Freight Cost 

We find the most cost-effective shipping carrier to lower your LOGISTIC EXPENSES. You set affordable prices for your portable power stations. Increasing product attractiveness and attracting customers.

quality control

Expertise In Item Regulations

Prevent compliance issues with EXPERT GUIDANCE on trade and customs regulations. You avoid violating TRADE LAWS and SAFETY PRODUCT PROTOCOLS. Save time and effort and reduce your financial losses.

lead time

Timely Deliveries

We create detailed production schedules in ALL STAGES of manufacturing. An EFFICIENT order fulfillment system for real-time tracking of your orders. You earn the trust and praise of your customers. Leading to REPEAT BUSINESS PURCHASES.  

after-sales service

Excellent After-Sale Support

Expect timely and fast responses for your EMERGENCY CONCERNS. Our customer service team is available 24/7 to assist. Install and replace the power station without delay. Earning you a POSITIVE FEEDBACK.



Leeline Energy lets you buy without financial constraints. RESTOCK power station WITHIN your budget capacity and order quantity. You GROW YOUR BUSINESS and MAXIMIZE YOUR PROFITS.

A Wide Range of Applications

Boil Kettle

Boil Kettle











300W Portable Power Station Production Line

Each unit undergoes comprehensive quality testing. Including capacity checks, performance assessments, and safety tests. Then, our SKILLED TECHNICIANS meticulously assemble each component. You deliver high-quality solar panels, boost your reputation and market relevance.

Product Parameters

Product Size (L*W*H)296*128*149mm
WeightAbout 3.6kg
Battery Capacity11. 1V/75000mAh,277.5Wh
Built-in Battery TechnologyHigh Quality Lithium Ion Battery
USB OutputUSB 5V/1.5A/1.5A;QC3.0
DC Power9~12.6V/6A,72W (Max)
AC OutputAC240/230/220V; 60/50Hz
AC Power300W
Solar ChargingStand By
Car ChargingStand By
Power DisplayLED Indicator
Discharge Working Temperature– 10-40℃
Charging Working Temperature0-40℃
Cycle Life>500 cycles (Capacity>70%)
Accessories“Instruction Manual”; 15V/4A AC adapter;
DC charging cable

Get Ahead of the Game – Offer Your Clients Top-Tier Power Solutions!


Our 300 portable power stations obtain industry-leading certifications. Including CE, ROHS and FCC. Guarantee that our solar panels are HIGHLY ACCEPTED in the solar market. You ELEVATE your brand image and APPEAL to broader market segments.


Factory Audit & Quality Inspection Report

We ASSESS supplier production processes, equipment, and industry compliance. Provide you with comprehensive inspection reports. Consists of ISSUES DETECTED and recommendations for IMPROVEMENT. Get 100% quality assurance. You become a TRUSTED BRAND. 

Why Choose Us?

Reliable and Trustworthy

Reliable and Trustworthy

Leeline Energy is a TRUSTED SUPPLIER in both local and international markets.

Successfully delivered our 300W Power Stations to over 120+ countries. We are well-equipped to meet your business needs. Boost your SALES and REVENUE.

One-Stop Sourcing Agent

We have DOZENS of skilled sourcing agents to provide you with one-stop solutions. No need to research and negotiate multiple 300W Power Station suppliers. 

You receive EXPERT GUIDANCE on sourcing high-quality solar panels. Secure COST-EFFECTIVE shipping and round-the-clock customer support. Enjoy a smooth supply chain for easier business expansion. 

One-stop Sourcing

Reduce Transaction Risk

Reduce Transaction Risk

Experts inspect and identify issues related to PRODUCTION. We help you recognize fraud and trade scams to avoid expensive mistakes. 

You build a STRONG and EFFECTIVE risk prevention strategy. Protect your business funds and expand with minimal risk of PROFIT LOSS.


Completed Projects


Happy Clients


Years of Experience


Professional Staffs

How We Work?

customer first

We focus our services on your B2B needs and requirements. We WORK CLOSELY with various departments to ensure seamless operations. Including WAREHOUSE, LOGISTICS and R&D team. Guarantee a flawless partnership. Enjoy BETTER SALES and HEIGHTEN your customer’s trust and satisfaction.

standardized procedure

Our team follows a set of CONSISTENT and WELL-DEFINED business practices. Ensuring efficiency, quality, and reliability in every stage of production. Receive fewer customer complaints and solar panel errors. Make your business operations more efficient and profitable.

custom solutions

Let Leeline Energy bring your 300W Portable Power Station custom ideas to life. R&D experts assist you in CUSTOMIZING input power, watt-hours, and battery efficiency. Offer power stations that meet your customer’s detailed specifications. Your brand STANDS OUT.

Our Payment

Choose from Paypal, Bank Transfers, Credit Cards and Cash. You purchase conveniently regardless of your destination. SAVING YOU TIME and your funds remain secure. 

Western Union

Transform Your Wholesale Business with the Latest in Portable Power!

How We Support You?

How We Support You?
  • Demand Assessment

Our experts OFFER RECOMMENDATIONS on product quantity and features.

Offer the right 300W Portable Power Station model that MATCHES MARKET DEMAND. Increasing your business success and profit margin. 

  • Supplier Management

Assess 300W Portable Power Station manufacturer quality control measures. And take CORRECTIVE ACTIONS if necessary.

Reduce chances of disruptions in your operations. You get better supply and customer flow.

  • Contract Negotiation

Effective negotiation to secure better pricing and terms. We choose the supplier with the most transparent draft and contract terms.

Allowing you to secure the most COST-EFFECTIVE DEALS. Boost your business development.

  • Order Management

We prepare units with printed logos, shipping documents and complete packaging materials. Inspect your shipment TWICE before loading and delivery.

Real-time tracking for accurate lead time. Respond to market demand faster and reduce warehousing and operating costs.

  • Logistics Coordination

Our logistic team SUPERVISES the transportation and delivery of your power stations.

We help you secure SHIPPING DISCOUNTS to maximize your funds well. You enjoy cost-saving results and an enhanced competitive edge.

  • Installation Support

Installation guides and manuals come with our 300W Portable Power Station products. Your installation process becomes more efficient.

Reduce your work time and effort, Enhance your customer’s TRUST IN YOUR SERVICES.

How We Support You?

Our Reliable Partners


Our 300W Portable Power Station Factory

Leeline Energy’s 300W Portable Power Station Factory consistently achieves high annual sales. HUNDREDS of skilled and trained workers to meet your order quantities. You increase production volume. Enhancing your market competitiveness.

Our 300W Portable Power Station Factory

Discover the Profit Potential with Our 300W Power Stations – Buy in Bulk!

Packing & Delivery

We pack your 300W Portable Power Station wholesale orders with protective foam inside. Receive your order on schedule through EXPRESS SHIPPING. Enhance brand loyalty and foster strong customer relationships. 

Packing & Delivery

Successful Project

Successful Project

Empower On-the-Go: How Our 300W Portable Power Stations Help Wholesaler

Mr. Tim is the owner of a solar business in Singapore and one of our happy clients. He chose Leeline Energy for our ability to TAILOR SOLUTIONS. Perfectly suited to his business requirements. We offered quality power stations. And also valuable insights into the DIFFERENT MARKET SEGMENTS. 

Our partnership kicked off by offering our top-quality 300W Portable Power Station. MATCHING his business vision and customer demands. 

We took charge of ensuring that the solar generator adhered to rigorous quality benchmarks. He specifically wants his power station to have the following features:

  • Six AC outlets
  • AC output
  • USB C PD 
  • Solar charging
  • Has a car cigarette lighter port
  • Has an AC wall outlet
  • Power devices with minimal power consumption
  • Efficient in providing power supply during power outage
  • Equipped with pure sine wave inverter

Luckily, our 300W power station has all the features he mentioned. So, we immediately knew it was a SUCCESSFUL COLLABORATION.

Mr. Tim was able to expand his product range and attract new customers. His SALES GREW and his clients continued to be SATISFIED with his product offerings.

Successful Project
What our CUSTOMERs say


We received our solar generators with complete packaging. No product defects or incomplete accessories. Leeline Energy never fails to IMPRESS US. Great and reliable company.


Leeline Energy delivers our orders on the agreed schedule. We never experience DELAYS when replenishing our stocks. EVERY BUSINESS should try Leeline Energy!


Leave us a message and we will get back to you

    Service Interested:


    Hey I’m Sharline, the founder of Leeline Energy. We’d love to connect and discuss next steps towards bringing Solar Products to your project. If you are considering to start or expand your solar business, we would be happy to provide a project estimate and one stop solutions. Please complete the form to get started.  

    Phone / Whatsapp







    Room 2208, Jiuzhoutong Building, Hanyang District, Wuhan City, Hubei Province


    People Also Ask About 300W Portable Power Station

    How long is the delivery time of your portable solar power system products?

    It varies on factors like your location, order quantity, and product availability. But generally, our lead time reaches up to 15 DAYS. We are open to negotiation, so don’t hesitate to reach our customer service. Or visit our website for shipping and delivery information.

    Can I customize the solar generator?

    Yes. Leeline Energy has an expert customization team. Whether you’re planning to launch a NEW PRODUCT. Or planning to have an ATTRACTIVE LOGO and PACKAGING or COLORS. Our team helps you meet your desired specifications and designs.

    How can I get your price list?

    Visit our website and send us an inquiry. You receive detailed quotations in less than 24 hours. We also offer you DISCOUNTS for bulk purchases, so reach out to us anytime.

    Can I do your designs with our logos?

    Yes. We offer branding and design customization services. Making our products ALIGN with your branding and style. Get in touch with our design and sales teams. So we discuss the details and possibilities for LOGO INTEGRATION.

    Speed up the progress of your solar business and make more sales!

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