UPower Series VFB Battery

Flexible, Plug-in, Ideal for Homes, Farms & Commercial Sites

The UPower Series VFB Battery is a flexible, plug-in energy storage solution designed for homes, farms, commercial sites, and small industrial applications.

  • 10 kW/40kWh per Unit
  • Highly Modularized
  • Factory-Integrated
  • Duration from 4 to 24 Hours
  • Plug-and-Play Configuration
  • Transportable Design
  • Scalable to Megawatts by Stacking Units
  • IEC & UL certified
How Vanadium Flow Batteries are Revolutionizing Energy Storage

Inherently Safe

Water-based electrolyte, no thermal runway

Long Cycle Life

Over 20,000 charge/discharge cycles with minimal degradation

Allowing 100% DOD

Without structural damage

Flexibility

Independant power and energy scalling with KW to MW applications

Flexibility

Independent power and energy scaling with KW to Multi-MW applications

UPower 10 kW Battery Specifications
Voltage
V
36~57.6
Current
A
390(MAX)
Charge power
kW
max. 14
Dimensions (W*D*H)
mm
Indoor: 875*1775*2060; Outdoor:915*1775*2110
Weight
kg
2800
Ambient temp
°C
0~50
Storage temp
°C
-15~55(SOC=50%)
Enclosure
IP20(Indoor)/ IP54(Outdoor)
Short circuit current
A
1300
Lifetime
cycles/years
+25,000/+20
Communications
Modbus TCP
Certifications
IEC 62932
BMS
Embedded
Auxiliary Supply
100~240 VAC 1Φ, 50/60Hz Off=20W, Typical=600W, Max.=800W

Key Features

Safety

RKP's vanadium flow batteries are non-flammable, have a low risk of thermal runaway, making them the safest residential and commercial energy storage option in New Zealand. This ensures safe operation in all environments, including urban areas, industrial sites, and residential neighborhoods.

Long Lifespan

RKP's VFB systems are designed for durability, offering a lifespan of over 25 years with minimal capacity degradation perfect for long-duration home and business storage. This longevity ensures a lower total cost of ownership and consistent performance over time.

Zero Degradation

RKP's VFB systems feature zero capacity degradation over time, maintaining consistent performance throughout their lifespan. This ensures long-term reliability and reduces the need for frequent replacements, resulting in significant cost savings.

Scalability

RKP's VFB systems are highly flexible and can start at one 40 kWh unit and scale to megawatt-hours simply by adding more containers and meet the energy demands of any project. From small residential setups to large-scale utility projects, our solutions grow with your needs.

Environmental Impact

Committed to sustainability, RKP's VFB systems uses 100% recyclable vanadium electrolyte, a recyclable and abundant element. The non-toxic and environmentally friendly nature of our batteries supports your green initiatives and reduces your carbon footprint.

Real-World Applications in New Zealand

  • Residential solar + blackout backup (Auckland, Tauranga, Christchurch)  
  • Lifestyle blocks & farms going off-grid or reducing peak charges  
  • Schools, marae, medical centres needing 24-hour reliable power  
  • Small commercial & tourism sites (wineries, lodges, factories)
  • Community microgrids and rural council projects

Why Kiwi Customers Choose the UPower 10 kW Battery

  • Zero fire risk – install indoors or next to the house  
  • 20–25 year life – pay once, use for decades   
  • 100 % usable capacity every day  
  • Works in hot summers & cold winters – no cooling needed
  • Local stock & support from Pōkeno, Waikato

Get Your Free System Design & Quote (24-hour turnaround)

Tell us your average daily kWh use and location, we’ll send you:

  • Exact system size & layout  
  • Payback & savings calculator
  • Finance / lease options