Growatt ML33RTA - Overview; Appearance and Terminals; Application Scenarios; Technical Parameters

6
2 Overview
ML33RTA is a 3.3kWh LiFePO4 battery pack. It has a 48V battery module as the main power supply unit which com-
posed of 64Ah cells in one parallel and 16 serial connect (1P16S)
.
2.1 Appearance and Terminals
The battery is an energy storage unit composed of cells, mechanical parts, battery management system (BMS) as
well as power and signal terminals.
Table 2-1 Mechanical features
Parameter Value
Dimension W445*D131*H399.6 mm
Weight Around 29 kg
Installation Rack-mounted installation
Table 2-2 Ports and terminals
No. Label Name
1 Link-Out Network port 3
2 P+ Positive terminal 1
3 P- Negative terminal 1
4 Link-In Network port 2
5 PCS Network port 1
6 POWER POWER button
LED indicators
Status SOC Indication LED1 LED2 LED3 LED4 LED5
Charging 0%-25.0%
■ ●
25.1%-50.0%
■ ■ ●
50.1%-75.0%
■ ■ ■ ●
75.1%-99.9%
■ ■ ■ ■ ●
100%
● ● ● ● ●
Discharging
& Standby
100%-75.1%
● ● ● ● ●
75.0%-50.1%
● ● ● ●
50.0%-25.1%
● ● ●
25.0%-0%
● ●
445
399.6
131
LED5
LED4LED3LED2LED1
POWER
3
4
5
1
2