Growatt Li-ion battery ARK-2.5L-A2, 2.56KWH (for SPH3000-6000TL BL-UP,SPM 8-10KTL-HU,SPF 3500 ES,SPF 5000 ES,SPF 6000ES PLUS,SPE 6000TL HVM-G2,SPE 8000-12000 ES, WIT 4-15K-HU), IP65

Growatt ARK-2.5L-A2islithium iron phosphate (LiFePO4)capacity battery2.56 kWh, intended forlow voltage (LV) solar systems. It is distinguished bymodular and stackable design, which allowsflexible expansion up to 25.6 kWhthrough to10 connected modules.

It's the batteryextremely safe(cobalt-free), supports low-temperature operation and integrates easily with a wide range of Growatt inverters, includingSPH, SPF and SPM series.

Extensibility:

• Until10 modules in series (25.6 kWh)

• Each module adds another 2.56 kWh to the system

• Easy upgrade with no wiring between batteries

Compatible Growatt Inverters:

✔️ SPH3000-6000TL BL-UP– hybrid (low voltage)
✔️ SPF 3500/5000/6000 ES / ES Plus – off-grid
✔️ SPM 8-10KTL-HU– network low voltage

Certificates:
CE, RoHS, UN 38.3, IEC 62619, IEC 62040

Applications:
✔️ Home solar systems
✔️ Backup Power Supply (ESS)
✔️ Off-grid and hybrid solutions
✔️ Flexible extension for new and existing systems

Ideal battery for modular configurations with guaranteed safety, long life and full compatibility with Growatt systems

We inform you that, despite our efforts, we cannot guarantee that the published information and photos do not contain inaccuracies or errors that cannot be a legal basis for claims.

Main features:

✅ Capacity: 2.56 kWh
✅ Nominal voltage: 51.2V (LV – low voltage)
✅ Operating voltage: 47.2 – 56.8V
✅ Battery type: LiFePO4 (cobalt free)
✅ Life cycles: ≥6000
✅ Depth of Discharge (DoD): 90%
✅ Nominal current: 25A
✅ Max. charge/discharge: 2.45 kW / 48A
✅ Dimensions (WxDxH): 650 × 260 × 185 mm
✅ Weight: 28 kg
✅ Degree of protection: IP65
✅ Cooling: passive (no fan)
✅ Temperature range: -10°C to +50°C
✅ Installation: wall or floor (with base - option)
✅ Communication: RS485 / CAN (optional)
✅ Warranty: 10 years

Additional information