Acewell ACE-21XXE User Manual Download Page 1

and 80.0Km/H or 50.0 MPH for ACE-21XXE.

AVG: Average Speed Meter

The AVG is calculated by dividing the TRIP by the RT (riding time). 

MAX: Maximum Speed Meter

Displays the highest speed achieved from the last Reset operation.

TRIP 1&2: Trip Meter 1&2

TRIP function accumulates trip distance since last RESET as long as 
bike/vehicle is moving.

ODO: Odometer

The ODO accumulates total distance as long as the electric bike/scooter is 
being ridden. The ODO data is always stored to memory even when the 
power is turned off. 

RT: Riding Time

The RT totals the riding time from the last RESET operation.

TT: Total Time

The TT accumulates total time as long as the electric bike/scooter is being 
ridden. The TT data always be stored to memory even the power is removed.
      

 : 12/24 hour Clock

It displays 12 or 24 hour current time.  

Battery Gauge:

1.The battery gauge has 7 bars to indicate how much power the gauge  
   remains. 
2.The 1st bar indicates the low voltage of the battery, the more bars shows 
   more voltage, all 7 bars indicates maximum voltage of the voltage.
3.The last bar will flash to alert you to charging battery soon. MA

       : Bar Graphic Speed meter

It displays bar graphic speed up to 125 Km/H or 78 MPH for ACE-22XXE and 
80Km/H or 50 MPH for ACE-21XXE.

SPD: Speed Meter

It displays digital speed meter up to 125.0 Km/H or 78.1 MPH for ACE-22XXE 

FEATURES

FUNCTIONS

WHEEL CIRCUMFERENCE TABLE

BUTTON OPERATION

PANEL DESCRIPTIONS

E

13 10R-022811

Computer

ACE-2XXXE User Manual

Electric Bike/Scooter

Thanks for purchasing the electric bike/scooter computer; this manual 
is specifically designed for ACE-2XXX-E series, which has different 
models, each model has different LED indicators. You may find that 
the photo has a set of LED indicators different from your computer, 
the photo is for reference only

Multi-functional LCD Electrical Bike/Vehicle computer displays 
analogue and digital Speedometers, power gauge and one of other 
functions at the same time.  
Computer built-in 4 to 6 LED lights for different purpose indicators.
Odometer and total riding timer are stored in memory, even when the 
power is off.
Back light design and Odometer always be stored to memory follows 
CE regulation. 
Displays clock even when other functions is off.
Wide wheel circumference setting rang: 1-3999mm. 
Metric/Empire unit option available.
Water resistant tested 100%.

SPECIFICATIONS

Bar Speed Meter
Speed Meter
Maximum Speed Meter
Average Speed Meter
Trip Meter 1&2

Riding Time
Total Time
Clock
Battery Gauge

Odometer

FUNCTIONS

Symbol

ACE-21XXE

ACE-22XXE

2.5-80Km/H (50MPH)
2.3-80.0Km/H (50MPH)
2.3-80.0Km/H (50MPH)
2.3-80.0Km/H (50MPH)
0.00-9999.99 Km 
(6249.99Miles)
0.0 – 99999.9 Km 
0.0- 62499.9 Miles
0.00’00”- 99:59’59”
9999H59’

5-125Km/H (78MPH)
2.3-125.0Km/H (78.1MPH)
2.3-125.0Km/H (78.1MPH)
2.3-125.0Km/H (78.1MPH)
0.00-9999.99 Km 
(6249.99 Miles)
0.0 – 99999.9 Km 
0.0- 62499.9 Miles
0.00’00”- 99:59’59”
9999H59’

0:00’00”-11H59’59”/23H59’59”
1-7Bars, customize voltage 

  MAX
  AVG
TRIP 1/2

  ODO

    RT
    TT

SPD

Wheel Circumference setting:              1mm - 3999 mm (1 mm increment)
Operation Temperature: 

             -20°C - +70°C 

Speed Sensor: 

                             No Contact Magnetic Sensor.

Storage Temperature: 

             -25°C - +80°C 

MODE BUTTON

1.Press the MODE button to move in loop sequence from one function 
   screen to another 
2.The LCD screen will convert to the screen of Speed meter and trip 
   meter automatically during the riding, if the button operation is   
   suspended for 10 seconds.

 

RESET BUTTON

1.Hold down the RESET button for 2 seconds at the function’s screen 
   desire to be reset. The computer will reset the TRIP, RT or MAX data 
   from stored values to zero  
2.It cannot reset ODO and TT data

1.The details below have been calculated using following formula: Tire 
    Diameter (inches) x 25.4(mm/inches) x 3.1416 = wheel circumference (in
    mm).
2.Identify the tire size of your electric bike/scooter when you need to change 
   different tire size and key in the corresponding number shown in the 
   following chart.

1

2

3

4

8

5

6

7

Reset
 2sec

1. Bar Speed Scale                            
2. Bar Speed  

 

           

3. Speed & Max. speed display
4. Other functions display

5. RESET Button
6. MODE Button
7. Voltage Meter
8. LED indicator symbols

Tire Size

Circumference 

number 

(mm)

Tire Size

Circumference

number 

(mm)

Tire Size

Circumference 

number 

(mm)

23 inch
24 inch
25 inch
26 inch

19 inch
20 inch
21 inch
22 inch

15 inch
16 inch
17 inch
18 inch

1835
1915
1995
2075

1516
1596
1676
1756

1197
1277
1357
1436

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