Portable Power Station

300W Outdoor Portable Power Station with Air Pump 270Wh Battery

This 300W Compact Portable Power Station with Air Pump is a multifunctional outdoor power solution designed for camping, emergency backup, vehicle use, and outdoor activities. Equipped with a 270Wh lithium-ion battery and 300W AC continuous output power, it provides reliable energy support for small

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360° SAFETY

Intelligent BMS Battery Protection — 8-Layer Safety Shield

Automotive-grade battery management system with sub-100µs fault response — protecting your LiFePO4 home battery, your property, and your family around the clock

Over-charge Protection
Over-discharge Protection
Over-current Protection
Short-circuit Protection
High-temperature Cutoff
Low-temperature Charging Lock
Cell Voltage Balancing
Auto-disconnect / Low SOC Sleep

PRODUCT DETAILS

Product Specifications & Technical Documentation

Complete product details — specifications, images, FAQ, and downloadable resources for this VoltCrave power solution

Details Specifications FAQ Detail Images

01 · Overview

The 300W Compact Portable Power Station with Air Pump is a multifunctional portable energy device designed to provide reliable power support for outdoor activities, vehicle emergencies, camping trips, and backup power applications. Combining a portable power station, air pump, and emergency lighting system, this product offers more than traditional portable battery solutions.

Designed with a 270Wh lithium-ion battery and 300W AC continuous output power, this Portable Power Station with Air Pump provides stable energy for small appliances, electronic devices, and outdoor equipment. Its compact structure and multifunctional design make it suitable for outdoor product distributors, camping equipment suppliers, vehicle accessory brands, and OEM customers.

Unlike standard portable batteries that only provide charging functions, this model integrates power output, inflation capability, and emergency lighting into one portable unit. It helps users reduce the number of devices they need to carry while improving convenience during outdoor activities and unexpected situations.


02 · Key Features

270Wh Lithium-ion Battery for Reliable Energy Storage

The built-in high-quality lithium-ion battery provides dependable energy storage for various outdoor and emergency applications.

With a 270Wh battery capacity and 72800mAh rating, the unit delivers sufficient power for charging electronic devices and operating compatible equipment. The optimized battery design provides a balance between portability and usable power capacity.

Key advantages:

  • 270Wh lithium-ion battery capacity
  • Suitable for camping, travel, and emergency backup
  • Compact design with lightweight structure
  • Stable energy output for daily outdoor needs

300W Continuous AC Output for Multiple Applications

Equipped with 300W AC continuous output power, this 300w Compact Portable Power Station can support a wide range of low-power devices and outdoor equipment.

The AC output allows users to power compatible electronics when traditional power sources are unavailable, making it suitable for camping, road trips, outdoor events, and emergency situations.

Key advantages:

  • 300W continuous AC output power
  • Supports various small electronic devices
  • Reliable power supply during outdoor activities
  • Designed for portable energy applications

Multiple Charging and Output Options

The portable power station features multiple input and output interfaces to improve compatibility with different devices.

It supports DC charging, USB charging, USB-C PD charging, and DC output options, allowing users to charge multiple devices simultaneously.

Interface configuration:

  • USB 3.0 output ×1
  • USB output ×2
  • USB-C bi-directional PD45W output
  • DC5521 output ×3
  • DC5521 input for charging

The flexible interface design makes it easier for users to connect mobile devices, outdoor electronics, and other compatible equipment.


Built-in Air Pump for Emergency Inflation

Different from conventional portable power stations, this model includes an integrated air pump function, creating an all-in-one outdoor emergency solution.

The air pump supports inflation for vehicles, motorcycles, bicycles, and sports equipment. It can complete inflation from 0 to 2.5Bar in approximately 7 minutes, helping users handle unexpected tire pressure issues during outdoor travel.

Air pump benefits:

  • Supports multiple inflation applications
  • Suitable for vehicles, bicycles, and sports equipment
  • Reduces the need for additional inflation tools
  • Ideal for travel and outdoor emergency scenarios

Solar Charging Capability for Outdoor Independence

The unit supports solar charging through the DC5521 charging port, allowing users to recharge the battery using compatible solar panels.

Solar charging capability provides additional flexibility for outdoor users who require independent power solutions during camping, remote travel, and off-grid activities.

Solar charging advantages:

  • DC5521 solar charging input
  • Supports 18V-28V/2A solar charging
  • Suitable for outdoor renewable energy applications
  • Helps extend usage time in remote locations

Emergency Lighting and Portable Design

The integrated lighting system improves usability during nighttime activities and emergency situations.

The device includes a 2W spotlight, SOS lighting, and floodlight functions, providing additional visibility during camping, roadside emergencies, and power outages.

With a net weight of approximately 2.5kg, the compact structure allows easy transportation and storage.

Portable design features:

  • Lightweight 2.5kg construction
  • Built-in emergency lighting
  • Easy to carry for outdoor activities
  • Suitable for camping and travel scenarios

03 · Technical Highlights: BMS Protection

Safety is a key consideration for portable energy products. This portable power station integrates battery management technology to help improve battery protection and operational reliability.

The built-in BMS system monitors battery conditions and helps protect against common risks during charging and operation, including overcharging, over-discharging, over-current, short circuit, and abnormal temperature conditions.

BMS protection functions include:

  • Overcharge protection
  • Over-discharge protection
  • Over-current protection
  • Short circuit protection
  • Temperature protection
  • Battery safety monitoring

The high-quality lithium-ion battery design ensures stable performance during repeated charging and discharging cycles. Combined with intelligent battery management, the system helps improve safety, efficiency, and product reliability for long-term use.


04 · Simple Operation

The portable power station is designed for easy operation with a user-friendly interface and multiple plug-and-play functions.

Users can quickly check operating status through the display screen, connect devices through different output ports, and select suitable charging methods based on application needs.

The compact design allows users to carry the unit directly for camping, travel, outdoor work, and emergency backup.

Standard package includes:

  • Portable power station
  • Charging accessories
  • User manual
  • Optional OEM packaging support

For distributors and brand customers, OEM customization options can be provided based on market requirements.


05 · Why Choose VoltCrave Power

Compared with generic portable power products, VoltCrave Power focuses on reliable energy solutions, product quality control, and professional B2B support. Each portable power solution is developed with attention to battery safety, functional performance, and customer application requirements.

With experience in energy storage product development, VoltCrave Power supports OEM and ODM cooperation, helping global partners create customized portable power products for outdoor, emergency, and backup energy markets.

From battery selection and product testing to packaging solutions and customer support, VoltCrave Power provides a complete supply chain solution for distributors and brands seeking dependable portable energy products.

ParameterValue
Model C3B
Battery Type High Quality Lithium-ion Battery
Battery Capacity 270Wh / 72800mAh / 3.7V
AC Continuous Output Power 300W
DC Input DC5521 18V-28V/2A
USB-C Input 5V-12V Max PD45W
Solar Charging DC5521 18V-28V/2A
USB Output USB 3.0 ×1, USB ×2
USB-C Output 5V/12V Bi-directional PD45W
DC5521 Output 3 × DC 12V-16.8V/10A
Lighting Function 2W Spotlight / SOS Lighting / Floodlight
Air Pump Function Supports cars, motorcycles, bicycles, and sports balls
Inflation Time About 7 minutes (0-2.5Bar)
Net Weight About 2.5kg·
300W Outdoor Portable Power Station with Air Pump 270Wh Battery Product Details 5 300W Outdoor Portable Power Station with Air Pump 270Wh Battery Product Details (2) 300W Outdoor Portable Power Station with Air Pump 270Wh Battery Product Details (3) 300W Outdoor Portable Power Station with Air Pump 270Wh Battery Product Details (1)
What is the battery capacity of this portable power station?
This portable power station features a 270Wh lithium-ion battery with a capacity of 72800mAh at 3.7V, providing reliable power support for outdoor and emergency applications.
What devices can this 300W portable power station run?
The unit provides 300W AC continuous output power and can support small electronic devices, camping equipment, lighting products, and other compatible appliances within the power limit.
Does this portable power station support solar charging?
Yes. It supports solar charging through the DC5521 input with an 18V-28V/2A charging specification, allowing users to recharge the unit through compatible solar panels.
What makes this portable power station different from standard models?
Besides portable power supply functions, this model integrates an air pump, LED lighting, SOS emergency lighting, and multiple charging ports, providing a complete outdoor emergency solution.
Is the air pump suitable for vehicle applications?
Yes. The built-in air pump supports inflation for cars, motorcycles, bicycles, and sports balls, making it suitable for travel, camping, and roadside emergency scenarios.

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MANUFACTURING

OEM & ODM LiFePO4 Battery Manufacturer — Full Customization

End-to-end custom lithium battery manufacturing — from cell selection and BMS programming to enclosure design, branding, and global certification

Enclosure & Electrical Customization

Custom LiFePO4 battery enclosure dimensions, colors, terminal layouts, and connector types. Tailor voltage (12V / 24V / 48V) and capacity to your target market requirements.

White-Label & Private-Label Branding

Full OEM battery branding: laser-engraved logos, custom label nameplates, silk-screened enclosures, and exclusive retail packaging. Your brand, our lithium battery technology.

Global Certification & Compliance Support

We assist distributors with CE, UL 1973, IEC 62619, UN38.3, and RoHS compliance for lithium battery imports. Complete technical documentation, MSDS, and test reports included for customs clearance.

CERTIFICATIONS

LiFePO4 Battery Certifications — Global Compliance

All VoltCrave lithium iron phosphate batteries are certified to international safety, transport, and environmental standards — ready for import and distribution worldwide

UN38.3
Lithium Battery Transport
MSDS
Material Safety Data
UL 1973
Energy Storage Safety
CE
European Union Compliance
IEC 62619
Industrial Battery Safety
RoHS
Environmental Compliance

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VoltCrave is actively recruiting exclusive distributors and OEM partners for our wall-mounted home energy storage battery series. Competitive factory-direct pricing, dedicated account management, and full marketing support for your region.

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