The Growatt ARK battery system has a modular design. Extra batteries can be stacked on top of each other. The ARK-2.5L-A1 has a capacity of 2.56kWh and a maximum (dis)charge current of 25A. The nominal voltage is 51,2V and the operating voltage is between 47,2V and 56,8V. The lithium iron phosphate battery (LFP) is free of cobalt, for example resulting in a less costly battery. The battery has a cycle life of over 6000.
 
The battery has a protection rating of IP65 and can be attached to a wall as well as placed on the floor. Install on a floor requires a separate pedestal. The battery is 65cm wide, 26cm deep, 18cm high and weighs 30kgs.
 
The storage capacity is from 2.56kWh - 23.04kWh (max. 9 batteries).
 
Features:
Flexible capacity options, 2.56kWh to 25.6kWh
Excellent safety of cobalt free LiFePO4 battery
Easy installation with modular and stacked design
Long lifespan, 10 years warranty
Remote firmware upgrade
Cobalt Free Lithium Iron Phosphate Battery
 
Required components:
 
ARK 2.5L-A1 (1-9 pieces as required)
ARK 2.5L-A1 Cable (only required once)
ARK 2.5L-A1 Pedestal (only required once)
 
Possible configurations: 
 
ARK 2.5L-> 2.56kWh (1 battery ARK 2.5L)
ARK 5.1L-> 5.12kWh (2 pieces battery ARK 2.5L)
ARK 7.6L-> 7.68kWh (3 pieces battery ARK 2.5L)
ARK 10.2L-> 10.24kWh (4 pieces battery ARK 2.5L)
ARK 12.8L-> 12.80kWh (5 pieces battery ARK 2.5L)
ARK 15.3L-> 15.35kWh (6 pieces battery ARK 2.5L)
ARK 17.9L-> 17.92kWh (7 pieces battery ARK 2.5L)
ARK 20.4L-> 20.48kWh (8 pieces battery ARK 2.5L)
ARK 23.0L-> 23.04kWh (9 pieces battery ARK 2.5L)