Skip to content

Welling & Crossley BG5500 Battery Generator Portable Power Station 5500W

$6,899.00

Notify me when back in stock

Description

The WC-BG5500 is a portable power station with a 5500W rated output (11000W surge) and 5376Wh capacity, built for serious energy demands in professional, residential, and off-grid environments.

It’s ideal for high-demand applications such as construction sites, agricultural operations, or as a reliable backup for essential systems—and with built-in UPS functionality, it ensures seamless operation during unexpected outages.

With advanced LiFePO4 battery technology for extra safety and a long life, it's a robust large-capacity solution for silent, reliable power.

Features
Silent Operation icon

Silent Operation:
Measured in decibels (dBA), the noise level indicates how loud the machine is during operation. This portable power station produces noise comparable to people whispering, even when under load.


LiFePO4 Technology icon

LiFePO4 Technology:
Longer lifespan than traditional lithium-ion batteries, no maintenance, extremely safe, lightweight, improved discharge and charging efficiency in batteries.


Wireless Charging icon

Wireless Charging:
Ability to charge devices using a wireless charging pad for compatible devices.


Fast Charging icon

Fast Charging:
Device is fitted with fast-charging outlets to re-charge your devices fast and efficiently.


Uninterrupted Power Supply icon

Uninterrupted Power Supply:
Ensures critical devices stay on by automatically switching to the battery during a mains power cut-off.



  • Silent operation: Power delivered silently, ensuring a quiet and unobtrusive experience wherever you use it
  • Portable and lightweight design: Designed for easy transport, making it convenient for any activity or location
  • Advanced LiFePO4 technology: Utilises lithium iron phosphate for enhanced safety, durability and longer battery life for extended usage
  • Convenient power anywhere: Whether you're camping, travelling or at a market stall, enjoy reliable and portable power without noise


Applications

Caravan and RV icon
Caravan & RV
Camping and recreation
Camping & recreation
Home backup icon
Home Backup
Outdoor events icon
Outdoor Events
Matket Stalls & Mobile Business icon
Market Stalls & Mobile Business
DIY Workshop icon
DIY Workshop
Light Agriculture icon
Light Agriculture
  • High capacity silent power for all your RV and camping essentials, providing a seamless off-grid experience
  • Powerful back-up solution to keep your home fully operational during mains outages
  • Reliable solution for running large-scale events and market stalls with ease without producing any additional noise
  • Power your tools for DIY projects
Downloads
Operation and Installation Manuals
Download Operation & Installation Manualsv1.0

Description

The WC-BG5500 is a portable power station with a 5500W rated output (11000W surge) and 5376Wh capacity, built for serious energy demands in professional, residential, and off-grid environments.

It’s ideal for high-demand applications such as construction sites, agricultural operations, or as a reliable backup for essential systems—and with built-in UPS functionality, it ensures seamless operation during unexpected outages.

With advanced LiFePO4 battery technology for extra safety and a long life, it's a robust large-capacity solution for silent, reliable power.

Features
Silent Operation icon

Silent Operation:
Measured in decibels (dBA), the noise level indicates how loud the machine is during operation. This portable power station produces noise comparable to people whispering, even when under load.


LiFePO4 Technology icon

LiFePO4 Technology:
Longer lifespan than traditional lithium-ion batteries, no maintenance, extremely safe, lightweight, improved discharge and charging efficiency in batteries.


Wireless Charging icon

Wireless Charging:
Ability to charge devices using a wireless charging pad for compatible devices.


Fast Charging icon

Fast Charging:
Device is fitted with fast-charging outlets to re-charge your devices fast and efficiently.


Uninterrupted Power Supply icon

Uninterrupted Power Supply:
Ensures critical devices stay on by automatically switching to the battery during a mains power cut-off.



  • Silent operation: Power delivered silently, ensuring a quiet and unobtrusive experience wherever you use it
  • Portable and lightweight design: Designed for easy transport, making it convenient for any activity or location
  • Advanced LiFePO4 technology: Utilises lithium iron phosphate for enhanced safety, durability and longer battery life for extended usage
  • Convenient power anywhere: Whether you're camping, travelling or at a market stall, enjoy reliable and portable power without noise


Applications

Caravan and RV icon
Caravan & RV
Camping and recreation
Camping & recreation
Home backup icon
Home Backup
Outdoor events icon
Outdoor Events
Matket Stalls & Mobile Business icon
Market Stalls & Mobile Business
DIY Workshop icon
DIY Workshop
Light Agriculture icon
Light Agriculture
  • High capacity silent power for all your RV and camping essentials, providing a seamless off-grid experience
  • Powerful back-up solution to keep your home fully operational during mains outages
  • Reliable solution for running large-scale events and market stalls with ease without producing any additional noise
  • Power your tools for DIY projects
Downloads
Operation and Installation Manuals
Download Operation & Installation Manualsv1.0

Why Buy From Us

We get it. You've got a lot of choice when it comes to online retailers.
Here's why we think you should shop with us at The Off Grid Store.

We can deliver to almost anywhere in New Zealand, unfortunately there are a few exceptions such as Chatham Islands and for larger items and Great Barrier Island. Best prices online guaranteed.

30 Day Easy Returns. Not happy with your product, we'll take it back no
questions asked.
Great Service. We pride ourselves on the best service, anywhere.
Your Satisfaction Guaranteed. We handpick our products for quality, we
know you'll love them. But if there is ever something wrong, we'll fix it.

Shipping
Auckland Standard
Info$80.00

North Island Rural
Info$140.00

North Island Standard
Info$110.00

South Island Rural
Info$175.00

South Island Standard
Info$155.00
Free Pick Up

All Welling & Crossley Generators can be picked up from our depots in Auckland & Christchurch. This process is Free it justs takes a few hours to organise. Please call or email to arrange

Specifications
Technical Specifications
Power Station WC-BG5500
Product Code 811997
Battery
Capacity 5376Wh
Max AC Output 11000W
Rated AC Output 5500W
Cell Chemistry LiFePO4
Cycle Life (to 80%) 3000+ cycles
Ports
AC Output (x6) 230V, 50Hz, 16A, 3600W (5500W Total)
USB-A Output (x4) 25W Max (5V/2.5A, 9V/2A, 12V/2A)
USB-C Input/Output (x2) 100W Max (5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/5A)
Car Charger Output (x1) 12V/10A
DC5521 Output (x2) 12V/10A
DC Output (x1) 12V/30A, 360W Max
Wireless Charging (x1) Up to 15W (5W, 7.5W, 10W, 15W)
AC Input (x1) 230V, 50Hz, 2200W Max
Solar Input (x1) 10-150V DC, 2400W Max (MPPT Supported)
Dimensions & Performance
Product Dimensions 602 x 602 x 340mm
Net Weight 70kg
Operating Temperature -20 - 40˚ C
Charging Temperature 0 - 40˚ C
Charging Time (to 80%) 130 min
Accessories Included
  • Tool Kit
  • AC Power Cable
  • Solar Charging Adapter Cable
  • Car Charging Cable
Description

The WC-BG5500 is a portable power station with a 5500W rated output (11000W surge) and 5376Wh capacity, built for serious energy demands in professional, residential, and off-grid environments.

It’s ideal for high-demand applications such as construction sites, agricultural operations, or as a reliable backup for essential systems—and with built-in UPS functionality, it ensures seamless operation during unexpected outages.

With advanced LiFePO4 battery technology for extra safety and a long life, it's a robust large-capacity solution for silent, reliable power.

Features
Silent Operation icon

Silent Operation:
Measured in decibels (dBA), the noise level indicates how loud the machine is during operation. This portable power station produces noise comparable to people whispering, even when under load.


LiFePO4 Technology icon

LiFePO4 Technology:
Longer lifespan than traditional lithium-ion batteries, no maintenance, extremely safe, lightweight, improved discharge and charging efficiency in batteries.


Wireless Charging icon

Wireless Charging:
Ability to charge devices using a wireless charging pad for compatible devices.


Fast Charging icon

Fast Charging:
Device is fitted with fast-charging outlets to re-charge your devices fast and efficiently.


Uninterrupted Power Supply icon

Uninterrupted Power Supply:
Ensures critical devices stay on by automatically switching to the battery during a mains power cut-off.



  • Silent operation: Power delivered silently, ensuring a quiet and unobtrusive experience wherever you use it
  • Portable and lightweight design: Designed for easy transport, making it convenient for any activity or location
  • Advanced LiFePO4 technology: Utilises lithium iron phosphate for enhanced safety, durability and longer battery life for extended usage
  • Convenient power anywhere: Whether you're camping, travelling or at a market stall, enjoy reliable and portable power without noise


Applications

Caravan and RV icon
Caravan & RV
Camping and recreation
Camping & recreation
Home backup icon
Home Backup
Outdoor events icon
Outdoor Events
Matket Stalls & Mobile Business icon
Market Stalls & Mobile Business
DIY Workshop icon
DIY Workshop
Light Agriculture icon
Light Agriculture
  • High capacity silent power for all your RV and camping essentials, providing a seamless off-grid experience
  • Powerful back-up solution to keep your home fully operational during mains outages
  • Reliable solution for running large-scale events and market stalls with ease without producing any additional noise
  • Power your tools for DIY projects
Downloads
Operation and Installation Manuals
Download Operation & Installation Manualsv1.0

Why Buy From Us

We get it. You've got a lot of choice when it comes to online retailers.
Here's why we think you should shop with us at The Off Grid Store.

We can deliver to almost anywhere in New Zealand, unfortunately there are a few exceptions such as Chatham Islands and for larger items and Great Barrier Island. Best prices online guaranteed.

30 Day Easy Returns. Not happy with your product, we'll take it back no
questions asked.
Great Service. We pride ourselves on the best service, anywhere.
Your Satisfaction Guaranteed. We handpick our products for quality, we
know you'll love them. But if there is ever something wrong, we'll fix it.

Shipping
Auckland Standard
Info$80.00

North Island Rural
Info$140.00

North Island Standard
Info$110.00

South Island Rural
Info$175.00

South Island Standard
Info$155.00
Free Pick Up

All Welling & Crossley Generators can be picked up from our depots in Auckland & Christchurch. This process is Free it justs takes a few hours to organise. Please call or email to arrange

Specifications
Technical Specifications
Power Station WC-BG5500
Product Code 811997
Battery
Capacity 5376Wh
Max AC Output 11000W
Rated AC Output 5500W
Cell Chemistry LiFePO4
Cycle Life (to 80%) 3000+ cycles
Ports
AC Output (x6) 230V, 50Hz, 16A, 3600W (5500W Total)
USB-A Output (x4) 25W Max (5V/2.5A, 9V/2A, 12V/2A)
USB-C Input/Output (x2) 100W Max (5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/5A)
Car Charger Output (x1) 12V/10A
DC5521 Output (x2) 12V/10A
DC Output (x1) 12V/30A, 360W Max
Wireless Charging (x1) Up to 15W (5W, 7.5W, 10W, 15W)
AC Input (x1) 230V, 50Hz, 2200W Max
Solar Input (x1) 10-150V DC, 2400W Max (MPPT Supported)
Dimensions & Performance
Product Dimensions 602 x 602 x 340mm
Net Weight 70kg
Operating Temperature -20 - 40˚ C
Charging Temperature 0 - 40˚ C
Charging Time (to 80%) 130 min
Accessories Included
  • Tool Kit
  • AC Power Cable
  • Solar Charging Adapter Cable
  • Car Charging Cable