Storage; Climatic Conditions For Battery Storage; Permitted Storage Positions Of Battery Modules; Storing The Battery - SMA COMMERCIAL STORAGE SOLUTION 30 System Manual

17 Storage

17 Storage
17.1

Climatic Conditions for Battery Storage

State of charge (SOC)
15% to 25%
Also see:
• Storing the Battery ⇒ page 182
17.2

Permitted storage positions of battery modules

Figure 39: Permitted and prohibited storage positions of a packed battery module
Storage conditions:
☐ Battery modules may only be stored in the permitted storage position.
☐ Do not store more than five battery modules on top of one another.
Also see:
• Storing the Battery ⇒ page 182
17.3

Storing the Battery

1. Detach the connected DC cable from the BATTERY+ connection on the battery management system and the
POL+ connection on the uppermost battery module.
2. Detach the connected DC cable from the BATTERY- connection on the battery management system and the POL-
connection on the lowermost battery module.
3. Store the battery modules in the permitted storage positions only.
4. Ensure that the climatic conditions for storing the battery are safely observed for the entire storage duration.
Evidence that the storage conditions have been observed must be provided using suitable means.
5. Have the batteries cycled after six months of storage at the latest. Contact Service for this.
Also see:
• Climatic Conditions for Battery Storage ⇒ page 182
• Connection Area of the Battery Management System ⇒ page 75
• Permitted storage positions of battery modules ⇒ page 182
182 ESSX-20-SH-en-10
Storage temperature
5°C to 28°C
-20°C to +30°C
-20°C to +40°C
SMA Solar Technology AG
Maximum storage period
6 months
3 months
1 month
System Manual