Sumray
FEATURES
Sumray – backed by a 15-year warranty
Battery Deals offers the Sumray SR-LV14G, a stackable home battery available in 14kWh, 28kWh, 42kWh and 56kWh configurations. As a Sumray solar battery installer in Sydney and greater NSW, we help homeowners choose the right capacity for their household and manage the entire installation from quote to commissioning.
The Sumray SR-LV14G is backed by a 15-year warranty, one of the longer terms available in the current home battery market. Combined with a modular stacked design, this makes it a practical option for Sydney homeowners planning for long-term energy storage rather than a short-term fix.
Quality That Defines Us
Built for Long-Term Reliability
- Engineered for 10,000+ charge cycles
- IP66 rated and salt spray tested for harsh conditions
- Module-level circuit breaker (MCB) protection
- Backed by a 15-year warranty
Key Features at a Glance
Performance That Stands Apart
- Stackable from 13.92kWh up to 55.68kWh
- Modular design for easy future expansion
- Aerosol fire suppression fitted as standard
- Optional battery heating for cold-weather performance
Benefits You Can Count On
Advantages of Choosing Sumray
- Flexible capacity to match your household's needs
- Suitable for coastal and harsh outdoor Sydney conditions
- Long-term confidence with a 15-year warranty
- Local installation and support from Battery Deals
CHECK SUMRAY
Long-Term Reliability
Backed by a 15-Year Warranty
Advanced Design for Long-Term Performance
- Engineered for 10,000+ charge cycles
- Protected by module-level circuit breakers and aerosol fire suppression
Built for Australia Conditions
- IP66 rated and salt spray tested for coastal and outdoor installs
- Optional battery heating for cooler NSW winters
Sumray
Long-Term Warranty: 15 years of manufacturer-backed coverage for lasting confidence
Modular Design: Stack from 13.92kWh up to 55.68kWh as your household’s needs grow
Sumray delivers stackable storage solutions built for long-term reliability. Engineered for over 10,000 charge cycles and tested against salt spray, these batteries are backed by a 15-year warranty, giving Sydney homeowners dependable power and lasting peace of mind.
STACKABLE DESIGN, SIMPLE INSTALLATION
Easy Installation & Fast Setup
Enjoy a streamlined installation with Sumray’s stacked, modular units, reducing wiring complexity and setup time without compromising on performance or safety.
Durable Design for Any Environment
Built Tough for Australian Conditions
With an IP66 outdoor rating and salt spray tested construction, the Sumray SR-LV14G is built to perform reliably across Australia’s varied outdoor conditions.
Advanced Storage
Solutions
Weatherproof protection
IP66 rated and salt spray tested for coastal and outdoor installation
Full Usable Capacity
100% depth of discharge means every kilowatt-hour of rated capacity is usable
Smooth, Quiet Operation
Natural convection cooling with no active fan required
Expandable for Multiple Configurations
Stack up to four units in parallel as your energy needs grow
Technical Specifications of Sumray Battery
| Specification | SR-LV14G-L1 | SR-LV14G-L2 | SR-LV14G-L3 | SR-LV14G-L4 |
| Capacity | 290Ah | 580Ah | 870Ah | 1160Ah |
| Rated Energy | 13.92kWh | 27.84kWh | 41.76kWh | 55.68kWh |
| Usable Energy | 13.92kWh | 27.84kWh | 41.76kWh | 55.68kWh |
| Rated Voltage | 48V | 48V | 48V | 48V |
| Standard Charge/Discharge Current | 100A/100A | 200A/200A | 300A/300A | 300A/300A |
| Peak Discharge Current | 120A @30sec | 240A @30sec | 360A @30sec | 360A @30sec |
| Weight | 120±5kg | 230±10kg | 340±15kg | 450±20kg |
| Dimensions (mm) | 850x440x360 | 850x440x590 | 850x440x820 | 850x440x1050 |
Operating voltage across the range sits between 42V and 54V, with a standard charge voltage of 54V. Communication runs on CAN protocol, and up to four units can be operated in parallel.
Reliable Technology, Genuine Backing
Designed for Long-Term Reliability
Sumray batteries combine module-level safety protection, salt spray tested construction, and a 15-year manufacturer warranty. Each SR-LV14G configuration is built for consistent, long-term performance, giving Sydney homeowners a dependable foundation for their home energy storage.
Easy Setup & Ongoing Support - Your Complete Home Battery Solution
Sumray pairs a stacked, modular battery design with straightforward installation, so upgrading your home’s energy storage doesn’t mean a complicated retrofit.
The compact stacked footprint reduces the wiring and space usually needed for multiple standalone units. Homeowners can start with a single module and add capacity later as their needs change, without replacing the original system.
Battery Deals supports every Sumray installation from initial quote through to after-care, so you have a local team on hand whenever you need help, rather than relying on manufacturer support alone.
Smarter Storage with Sumray Batteries
Sumray batteries pair a stacked module design with certified safety protection, giving Sydney homeowners a straightforward path to expandable home energy storage.
- Flexible Capacity: Configure from 13.92kWh up to 55.68kWh across four stacked options.
- Certified Protection: Module-level circuit breakers and aerosol fire suppression guard against faults.
- Outdoor-Ready Build: IP66 rated and salt spray tested for exposed installation locations.
Sumray batteries are engineered for consistent, long-term operation, supported by a 15-year manufacturer warranty that reflects confidence in the product’s build quality.
Built for Efficiency, Safety and Long-Term Durability
Each Sumray battery is certified against multiple international standards, including UN38.3 and a range of IEC safety benchmarks. Combined with a 15-year warranty, this gives Sydney homeowners a dependable, long-term addition to their home energy setup.
Frequently Asked Questions
What sizes does the Sumray SR-LV14G come in?
The SR-LV14G is available in four configurations: 13.92kWh, 27.84kWh, 41.76kWh and 55.68kWh.
Is the Sumray battery suitable for outdoor installation?
Yes. It carries an IP66 protection rating and has passed salt spray testing, making it suitable for outdoor installation, including coastal Sydney properties.
Can the Sumray battery be expanded later?
Yes. The stacked design allows additional modules to be added within a tower, and up to four units can operate in parallel, based on the manufacturer’s specification.
Does Battery Deals install Sumray batteries outside Sydney?
Battery Deals serves homeowners across Sydney and NSW-wide. Contact our team to confirm coverage for your specific location.
How long is the Sumray battery warranty?
The Sumray SR-LV14G is backed by a 15-year warranty, as stated on the manufacturer’s product datasheet.
Does the 15-year warranty cover all SR-LV14G models?
The 15-year warranty applies across the SR-LV14G range, covering all four stacked configurations from 13.92kWh to 55.68kWh.
Do I need to register my Sumray battery for the warranty to apply?
Registration and claim requirements are set out in the manufacturer’s official warranty documentation. Our team will confirm this with you directly as part of your installation.
