Growatt ARK LV Battery System
The Growatt ARK LV Battery System offers a reliable and efficient energy storage solution with its cobalt-free Lithium Iron Phosphate technology. With a nominal voltage of 51.2V and a capacity of 2.56kWh, this system ensures optimal performance and safety for your energy needs.
Technical Specifications
| Parameter | ARK 2.5L | ARK 5.1L | ARK 7.6L | ARK 10.2L | ARK 12.8L | ARK 15.3L | ARK 17.9L | ARK 20.4L | ARK 23.0L | ARK 25.6L |
|---|---|---|---|---|---|---|---|---|---|---|
| Battery Specifications | ||||||||||
| Battery Type | Cobalt Free Lithium Iron Phosphate (LFP) | |||||||||
| Nominal Voltage | 51.2V | |||||||||
| Operating Voltage Range | 47.2 - 56.8V | |||||||||
| IP Protection | IP65 | |||||||||
| Installation | Wall-mounted or Floor installation | |||||||||
| Operation Temperature | -10~50°C | |||||||||
| Electrical Characteristics | ||||||||||
| Energy Capacity | 2.56kWh | 5.12kWh | 7.68kWh | 10.24kWh | 12.8kWh | 15.36kWh | 17.92kWh | 20.48kWh | 23.04kWh | 25.6kWh |
| Nominal Power | 1.25kW | 2.5kW | 3.75kW | 5kW | 5kW | 5kW | 5kW | 5kW | 5kW | 5kW |
| Nominal Charge/Discharge Current | 25A | 50A | 75A | 100A | 100A | 100A | 100A | 100A | 100A | 100A |
| Mechanical Data | ||||||||||
| Dimension (W/D/H) | 650/260/185mm | 650/260/365mm | 650/260/545mm | 650/260/725mm | 650/260/905mm | 650/260/1085mm | 650/260/1265mm | 650/260/1445mm | 650/260/1625mm | 650/260/1805mm |
| Weight | 28kg | 56kg | 84kg | 112kg | 140kg | 168kg | 196kg | 224kg | 252kg | 280kg |
| Features | ||||||||||
| DoD | 90% | |||||||||
| Communication Port | CAN | |||||||||
| BMS Monitoring Parameters | SOC, System voltage, current, cell voltage, cell temperature, PCBA temperature measurement | |||||||||
Note: Specifications are based on the official Growatt datasheet. Values may be subject to change; always verify against the latest manufacturer documentation.
Key Features
Flexible capacity options, 2.56kWh to 25.6kWh
Excellent safety of cobalt free LiFePO4 battery
Easy installation with modular and stacked design
Remote firmware upgrade
Applications & Use Cases
Typical Applications
- Residential energy storage
- Commercial power backup
- Hybrid solar systems
- Off-grid applications
- Peak shaving and load shifting
Regional Installation Notes (France)
Climate Suitability: Ideal for France's hot climate with wide operating temperature range and dust-resistant design.
- Sand and dust resistant design
- Wide operating temperature range
- High efficiency in hot conditions
- Long-term warranty
Frequently Asked Questions
What is the usable capacity and total energy storage of the ARK LV Battery System?
The ARK LV Battery System has a total energy capacity of 2.56kWh. With a depth of discharge (DoD) of 90%, the usable capacity is approximately 2.3kWh.
What is the cycle life and depth of discharge (DoD) for this battery?
The battery features a depth of discharge (DoD) of 90%, which allows for efficient use of stored energy. The cycle life is typically determined by the manufacturer and can vary based on usage conditions.
What are the voltage and current specifications of the ARK LV Battery System?
The nominal voltage of the battery is 51.2V, with an operating voltage range of 47.2 to 56.8V. It has a nominal charge/discharge current of 25A.
What is the round-trip efficiency of the ARK LV Battery System?
The round-trip efficiency is not explicitly listed in the specifications. However, lithium iron phosphate batteries like this one typically have high round-trip efficiencies, often exceeding 90%.
What BMS features and safety measures are included in the ARK LV Battery System?
The Battery Management System (BMS) monitors parameters such as state of charge (SOC), system voltage, current, cell voltage, cell temperature, and PCBA temperature, ensuring safe and efficient operation.
What is the warranty coverage for the ARK LV Battery System?
Warranty coverage details are typically provided by the manufacturer and can vary. It is advisable to check with Growatt or your supplier for specific warranty terms.
What are the installation requirements for the ARK LV Battery System?
The battery can be installed either wall-mounted or on the floor. It has an IP65 rating, making it suitable for both indoor and outdoor installations.
Which inverters are compatible with the ARK LV Battery System?
The ARK LV Battery System is designed to be compatible with Growatt inverters. For specific compatibility, it is recommended to consult Growatt's product documentation or customer support.