Alpha ESS SMILE-S5 Manual page 17

Safety
16
Symbols on the type label and warning label of the battery pack.
Symbol Explanation
Beware of a danger zone
This symbol indicates that the product must be additionally grounded
if additional grounding or equipotential bonding is required at the
installation site.
Risk of chemical burns
Risk of explosion
Observe the documentation
Risk of electrolyte leakage
CE marking
The product complies with the requirements of the applicable EU
directives.
Refer to the instruction for operation
Use eye protection
Fire, naked light and smoking prohibited
Install the product out of reach of children
Do not dispose of the battery pack together with the household waste
but in accordance with the locally applicable disposal regulations for
batteries
Recycling code
Marking for transport of dangerous goods
The product passes the certifications of the UN38.3