Alpha ESS SMILE5 Installation, Operation & Maintenance Manual page 28

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Different colors of inner grids of the battery LED display represent different states：
green for SOC state, red for error state.
The LED indicators provide information about the SOC operational status of the battery
pack.
Item
SOC Description
LED Outer Ring Light
Flicker Status
Connection area overview of M4856-P
Position
1
2
3
4
5
6
7
Product Introduction and Application Scenarios
SOC Status
SOC<5%
5%≤SOC<25%
25%≤SOC<50%
50%≤SOC<75%
75%≤SOC<95%
SOC≥95%
Work: green light flicker every 10s;
Standby: green light flicker every 1s;
Protection: green light flicker every 3s;
Error: red light flicker every 3s;
Designation
Battery Breaker
Battery Power Button
Battery+ Power Connector
Battery- Power Connector
BMS COM Ports
Battery LED Display
Grounding
Description