Volta Stage 1 5.12kWh 51.2V LiFePO₄ Low-Voltage Solar Battery
The Volta Stage 1 is a low-voltage lithium iron phosphate energy storage battery developed for residential solar and backup power systems where safety, reliability, and daily cycling performance are essential. Designed as an entry-level module within the Volta Stage battery range, the Stage 1 provides a balanced combination of usable capacity, inverter compatibility, and long service life.
Unlike high-voltage battery systems that require specialised inverters, the Volta Stage 1 operates at standard 51.2V nominal voltage, making it suitable for a wide range of residential hybrid and inverter-charger platforms.
System Role and Typical Applications
The Volta Stage 1 stores energy produced by solar PV systems and supplies power during grid outages, load shedding, or off-grid operation. It is commonly used in residential backup systems, small off-grid homes, and hybrid solar installations where one to several batteries are combined to support household loads.
This battery is designed for low-voltage solar systems and is not intended for high-voltage battery platforms.
51.2V Low-Voltage Battery Architecture
Operating at a nominal voltage of 51.2V, the Volta Stage 1 fits within the standard low-voltage lithium battery category supported by most residential inverters. This voltage level allows for safe installation, simplified cabling, and reliable inverter operation under varying load conditions.
The battery provides a nominal energy capacity of 5.12kWh and is designed to deliver consistent performance across daily charge and discharge cycles.
LiFePO₄ Cell Chemistry and Safety Performance
The battery is built using lithium iron phosphate (LiFePO₄) cell technology, chosen for its superior safety characteristics and long cycle life. LiFePO₄ chemistry is cobalt-free, thermally stable, and resistant to thermal runaway, making it well suited for indoor residential energy storage.
This chemistry allows the battery to be cycled daily with minimal degradation over time.
Cycle Life and Daily Operation
The Volta Stage 1 is rated for at least 6000 cycles at 80% depth of discharge under standard test conditions. This makes it suitable for frequent cycling in environments affected by load shedding or time-of-use optimisation.
The battery supports continuous 1C charge and discharge operation, allowing it to respond effectively to changing household power demands.
Integrated BMS and Inverter Communication
An integrated Battery Management System monitors cell voltage, current, temperature, and overall battery health. The BMS provides protection against over-charge, over-discharge, over-current, and abnormal temperature conditions.
The battery supports communication via RS485, RS232, and optional CAN bus, enabling compatibility with a wide range of hybrid and inverter-charger platforms.
Parallel Expansion Capability
The Volta Stage 1 supports parallel connection of up to 8 battery units in a single system. This allows total system capacity to scale from 5.12kWh up to 40.96kWh, depending on inverter capacity and system design.
Parallel expansion allows homeowners to start with a single battery and expand as energy requirements grow.
Installation Methods and Physical Design
The battery supports both wall-mounted installation using a wall bracket and floor-standing installation using a detachable floor stand. This flexibility allows installation in garages, utility rooms, or dedicated inverter spaces depending on available space and layout.
The enclosure is designed for indoor installation in a controlled environment.
Technical Specifications – Volta Stage 1 Battery
Battery Identity
- Brand: Volta
- Model: Stage 1
- Battery chemistry: LiFePO₄
Electrical Ratings
- Nominal energy: 5.12 kWh
- Nominal voltage: 51.2 V
- Nominal capacity: 100 Ah
- Standard charge voltage: 56 V
- Discharge cut-off voltage: 44.8 V
Charge and Discharge Performance
- Maximum discharge current: 100 A
- Continuous charge/discharge rate: 1C / 1C
Environmental and Physical
- Installation type: Wall-mounted or floor-standing
- Dimensions: 480 × 600 × 150 mm
- Weight: 58 kg
Operating Conditions
- Charge temperature range: 0°C to 65°C
- Discharge temperature range: -20°C to 65°C
Certification and Warranty
- Cycle life: ≥6000 cycles at 80% DoD
- Certifications: MSDS, UN38.3
- Manufacturer warranty: 10-year standard warranty
FAQ
Frequently Asked Questions About the Volta Stage 1 Battery
What type of system is the Volta Stage 1 designed for?
The Volta Stage 1 is designed for low-voltage residential solar and backup power systems using hybrid or inverter-charger platforms.
Is the Volta Stage 1 suitable for load shedding?
Yes. The battery is designed for frequent cycling and performs well in environments with regular grid interruptions.
How many Volta Stage 1 batteries can be connected together?
Up to 8 batteries can be connected in parallel, allowing system capacity to expand up to 40.96kWh.
Is this battery compatible with multiple inverter brands?
Yes. The integrated BMS supports communication with multiple inverter brands via RS485, RS232, or optional CAN bus, depending on inverter requirements.
Is this battery low-voltage or high-voltage?
This is a low-voltage 51.2V battery and is not compatible with high-voltage battery inverters.
Where can this battery be installed?
The battery is designed for indoor installation and supports wall-mounted or floor-standing configurations.
Who should install the Volta Stage 1 battery?
Installation should be carried out by a qualified electrical or solar professional familiar with lithium battery systems.
Reviews
There are no reviews yet.