GROWATT ARK-2.5H-A2 battery

Name: GROWATT ARK-2.5H-A2 battery | Best Price (March 2026)
Rating: 5.00 (1 reviews)

Prices were last updated on March 29, 2026

Technical Specifications GROWATT ARK-2.5H-A2 battery:

Category	Specification
Battery Type	Lithium‑Iron Phosphate (LiFePO4), cobalt‑free
Nominal Energy Capacity	2.56 kWh
Usable Capacity	~2.3 kWh
Nominal Voltage	51.2 V
Operating Voltage Range	47.2 V – 56.8 V
Rated Current	25 A
Charge/Discharge Current	25 A / 0.5 C
Protection Rating	IP65 (dust and water resistant)
Operating Temperature Range	‑10 °C to 50 °C
Dimensions (W × D × H)	650 × 260 × 180 mm
Weight	~28–30 kg
Installation	Floor‑standing or wall‑mounted
Certifications	IEC62619, CE, UN38.3, CEC, RCM
Modular Use	Expandable in multi‑module systems

The Growatt energy storage kit should include:

Configuration for one inverter:

(Min. 2pcs for MIN XH or 3pcs for MOD XH) x ARK batteries ( min. 2 or 3 ×2.5kW)
1 x inverter + monitoring (Shine WiFi-X, Shine LAN-X or Shine GPRS-X)
1 x BDC (controller for batteries)
1 x Cables for splicing the BDC with the inverter – ARK H – Hight voltage
1 x battery stand – ARK H
1 x bi-directional meter (phasemater), comes in the box with the inverter

GENERAL INFORMATION – GROWATT ARK-2.5H-A2

Works with MIN XH and MOD XH series inverters
ARK’s LFP (lithium-iron-phosphate) batteries are cobalt-free batteries and achieve excellent levels of safety and reliability
Easy installation thanks to modular, stackable design
Remote firmware update
Long life, 10-year warranty
A minimum of 2 batteries + BDC controller for single-phase inverters or 3 batteries + BDC controller for three-phase inverters are required for commissioning.
ARK batteries are IP65 rated for extended trouble-free operation indoors and outdoors
The batteries have a compact housing (650*260*180mm) and weigh only 30kg
ARKs monitor not only the total state of the battery, but also the individual cells, and provide complete protection of the battery system
Balancing the voltage of the cells allowing the battery to last longer
Growatt waranty plan