Shimano Steps EC-E8004 - Battery LED Lamp; Display While Charging

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 Battery LED lamp
The LED lamp on the battery enables the current charging status
and battery level to be checked. The shape of the LED differs
depending on the model.
Battery LED lamp
Battery LED lamp
Display while charging
When there are five battery LED lamps
Lighting pattern*1 Charging status
0 - 20%
21 - 40%
41 - 60%
61 - 80%
81 - 99%
100%
*1
: Off : Lights up : Flashes
When there is one battery LED lamp
Lighting pattern*1 Charging status
(Repeatedly flashes green 1 time)
0 - 20%
(Repeatedly flashes green 2 time)
21 - 40%
(Repeatedly flashes green 3 time)
41 - 60%
(Repeatedly flashes green 4 time)
61 - 80%
(Repeatedly flashes green 5 time)
81 - 99%
/
100%*2
*1
: Off : Lights up : Flashes
*2 Turns off one hour after fully charged.