Battery Management System; Checking The Charge Level; Checking The Capacity - Derby cycle Pedelec Impulse Evo RS Speed Owner's Manual

5.2.1 Battery management system (BMS)
On the outside of the battery are a button and a display panel with five
LEDs. Three LEDs show percentage values. The LEDs light up when you
press the battery button. The number lighting up, and how, provides
information on the battery.
Battery
button

5.2.1.1 Checking the charge level

1. Press the battery button for 1 second. The LEDs light up.
Display
100% 

50% 

0% 
0% 

5.2.1.2 Checking the capacity

1. Press the battery button for 3 seconds. The battery capacity is
displayed.
Display
(100%) 
The battery may have to be replaced when the capacity is
below 68%. Discuss how to proceed with your cycle dealer.
Original User Guide | Pedelec Impulse Evo RS Speed Version 1
Description Charge level
5 LEDs ON 100 – 84%
4 LEDs ON 83 – 68%
3 LEDs ON 67 – 51%
2 LEDs ON 50 – 34%
1 LED ON 33 – 17%
1 LED flashing 17 – 0%
Description Charge level
At least 4 LEDs ON The battery has a
capacity of over 68%
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