Growatt ARK 2.5H-A2: The Smart, Scalable High-Voltage Solar Battery
Maximize your solar energy investment and achieve true energy independence with the Growatt ARK 2.5H-A2, a state-of-the-art, high-voltage lithium battery module. Designed for residential and light commercial use, this system offers a safe, reliable, and highly flexible energy storage solution.
Utilizing durable cobalt-free LiFePO4 technology, the ARK 2.5H-A2 allows you to store excess solar power generated during the day and use it whenever you need it most—reducing electricity bills, minimizing reliance on the grid, and providing crucial backup power during outages.
Key Features & Benefits
- Modular & Scalable Design: Start with a base system of two modules (5.12 kWh) and easily scale up to a substantial 25.6 kWh capacity by stacking up to ten units. This flexibility ensures your storage solution grows with your energy needs.
- Superior Safety & Longevity: Built with intrinsically safe Lithium Iron Phosphate (LFP) cells, the ARK 2.5H-A2 is known for its thermal stability and impressive service life of over 6,000 cycles at a 90% Depth of Discharge (DoD).
- Indoor/Outdoor Ready: The robust IP65-rated enclosure protects against dust and water jets, offering versatile installation options in garages, utility rooms, or external wall mounts.
- Installer-Friendly Engineering: The A2 version improves upon its predecessor with optimized cable routing (top/rear access) and an easier-to-open side cover, simplifying installation and maintenance.
- Seamless Compatibility: Fully compatible with the wide range of Growatt hybrid inverters and previous A1 accessories, making integration into new or existing solar PV systems effortless.
Technical Specifications (Per Module)
| Characteristic | Specification |
|---|
| Nominal Energy | 2.56 kWh |
| Usable Energy | 2.3 kWh |
| Nominal Voltage | 51.2 V |
| Battery Chemistry | LiFePO4 (LFP), Cobalt-Free |
| Max Charge/Discharge Current | 25 A |
| Dimensions (WxDxH) | 650 x 260 x 180 mm |
| Weight | ~28 kg |
| Protection Rating | IP65 |
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