ISO 13064-1:2012

Battery-electric mopeds and motorcycles - Performance - Part 1: Reference energy consumption and range

ISO 13064-1:2012 specifies test procedures for measuring the reference energy consumption and reference range of electric motorcycles and mopeds with only a traction battery(ies) as power source for vehicle propulsion.

Cyclomoteurs et motocycles électriques — Performance — Partie 1: Consommation énergétique de référence et autonomie

General Information

• Status: Published
• Publication Date: 13-Sep-2012
• ICS: 43.140 - Motorcycles and mopeds
• Technical Committee: ISO/TC 22/SC 38 - Motorcycles and mopeds
• Drafting Committee: ISO/TC 22/SC 38 - Motorcycles and mopeds
• Current Stage: 9093 - International Standard confirmed
• Start Date: 18-Oct-2023
• Completion Date: 13-Dec-2025

Overview - ISO 13064-1:2012 (Battery-electric mopeds and motorcycles)

ISO 13064-1:2012 specifies standardized test procedures to determine the reference energy consumption and reference range of battery-electric mopeds and motorcycles that use only traction battery(ies) for propulsion. The standard defines repeatable test sequences, charging procedures, measurement points and the formula for calculating reference energy consumption (C = E / d), enabling consistent lab and field evaluation of electric two-wheel vehicle performance.

Key technical topics and requirements

• Scope: Applies to battery-electric mopeds and motorcycles with traction batteries as the sole propulsion source.
• Test sequences: Defined driving cycles are given in Annex A (mopeds), Annex B (motorcycles) and a constant speed option in Annex C. Tests repeat prescribed cycles until the end-of-test criterion is met.
• Tolerances and timing:
  • Speed tolerance ±2 km/h and time tolerance ±1 s; these are geometrically combined.
  • One deviation up to 4 s allowed per drive cycle; total timeout must be reported.
• End-of-test criteria: Specified in the annexes or by on-board instrumentation indicating the driver should stop.
• Measurement parameters and accuracy (examples from Table 1):
  • Time: ±0.1 s; Distance: ±0.1 %; Speed: ±1 %; Mass: ±0.5 %; Energy measurement to IEC class 0.2 S.
• Battery charging and conditioning:
  • Batteries charged per manufacturer recommendation (normal overnight charging procedure described).
  • End-of-charge determined by manufacturer instrumentation; charging time ≤ 12 h for end-of-charge indication.
  • Recommended battery usage: preferably batteries with ≤ 50 charge/discharge cycles.
• Test conditions:
  • Vehicle load, tyre pressure, lubrication and auxiliary systems specified.
  • Ambient ranges: outdoor 5 °C–35 °C; indoor 20 °C–30 °C; atmospheric pressure 91–104 kPa; relative humidity <95 %.
  • Wind limits for outdoor testing: average ~3 m/s, gusts ≤5 m/s.
• Calculation: Reference energy consumption C (Wh/km) = measured energy E (Wh) delivered from mains during recharge divided by range d (km).

Practical applications - who uses ISO 13064-1:2012

• Vehicle manufacturers - to validate design targets, publish consistent range/consumption figures, and support homologation.
• Testing laboratories and certification bodies - for type approval, compliance testing and standardized reporting.
• R&D and benchmarking teams - to compare powertrain efficiency, battery conditioning and control strategies across models.
• Regulators and policymakers - to set performance labeling, consumer information and fleet procurement criteria.
• Aftermarket and consulting services - to verify energy claims and support optimization for range and charging processes.

Related standards

• ISO 13064-2:2012 - Road operating characteristics (complements Part 1)
• ISO 6460-2:2007, ISO 6855-2 - Test cycles and specific conditions (motorcycles, mopeds)
• ISO 11486, ISO 28981 - Chassis dynamometer road load setting
• IEC 60687 - Energy-measuring instrument class reference

This standard is essential for consistent, repeatable measurement of range and energy consumption for electric two-wheel vehicles and supports credible product claims and regulatory compliance.

Standards Content (Sample)

INTERNATIONAL ISO
STANDARD 13064-1
First edition
2012-09-15
Battery-electric mopeds and
motorcycles — Performance —
Part 1:
Reference energy consumption and
range
Cyclomoteurs et motocycles électriques — Performance —
Partie 1: Consommation énergétique de référence et autonomie
Reference number
©
ISO 2012
© ISO 2012
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any
means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the
address below or ISO’s member body in the country of the requester.
ISO copyright office
Case postale 56 • CH-1211 Geneva 20
Tel. + 41 22 749 01 11
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Published in Switzerland
ii © ISO 2012 – All rights reserved

Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Test sequence . 2
5 Tolerances . 2
6 End of test sequence criterion . 2
7 Measurement of range and reference consumption . 3
7.1 General . 3
7.2 Parameters, units and accuracy of measurements . 3
7.3 Test conditions . 3
7.4 Test procedure . 4
Annex A (normative) Driving cycle and end of test criterion for mopeds . 6
Annex B (normative) Driving cycle and end of test criterion for motorcycles .8
Annex C (normative) Constant speed test and end of test criterion .11
Bibliography .13
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of technical committees is to prepare International Standards. Draft International
Standards adopted by the technical committees are circulated to the member bodies for voting.
Publication as an International Standard requires approval by at least 75 % of the member bodies
casting a vote.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights.
ISO 13064-1 was prepared by Technical Committee ISO/TC 22, Road vehicles, Subcommittee SC 23, Mopeds.
ISO 13064 consists of the following parts, under the general title Battery-electric mopeds and
motorcycles — Performance:
— Part 1: Reference consumption and range
— Part 2: Road operating characteristics
iv © ISO 2012 – All rights reserved

INTERNATIONAL STANDARD ISO 13064-1:2012(E)
Battery-electric mopeds and motorcycles —
Performance —
Part 1:
Reference energy consumption and range
1 Scope
This part of ISO 13064 specifies test procedures for measuring the reference energy consumption and
reference range of electric motorcycles and mopeds with only a traction battery(ies) as power source
for vehicle propulsion.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.
ISO 6460-2:2007, Motorcycles — Measurement method for gaseous exhaust emissions and fuel
consumption — Part 2: Test cycles and specific test conditions
ISO 6855-2, Mopeds — Measurement method for gaseous exhaust emissions and fuel consumption — Part 2:
Test cycles and specific test conditions
ISO 11486, Motorcycles — Methods for setting running resistance on a chassis dynamometer
ISO 28981, Mopeds — Methods for setting the running resistance on a chassis dynamometer
ISO 13064-2:2012, Battery-electric mopeds and motorcycles — Performance — Part 2: Road operating
characteristics
3 Terms and definitions
For the purposes of this document, the terms and definitions given in ISO 13064-2 and the following apply.
3.1
reference energy consumption
quantity of electric energy from the mains needed to charge the traction battery, divided by the distance
covered after the vehicle has been driven through the specified test sequence
NOTE 1 Taken from ISO 8713:2012, definition 2.62.
NOTE 2 The reference energy consumption is usually expressed in watt-hours per kilometre (Wh/km)
3.2
reference range
distance covered by an electrically propelled vehicle over a designated test sequence on a fully charged
traction battery, to the end of the test sequence as defined by the end of test sequence criteria
NOTE 1 Taken from ISO 8713:2012, definition 2.63.
NOTE 2 The reference range is usually expressed in kilometres (km).
4 Test sequence
The test sequence for mopeds is defined in Annex A of this part of ISO 13064.
The test sequence for motorcycles is defined in Annex B of this part of ISO 13064.
The same test sequence shall be used to define energy consumption and range. Every effort shall be
made to conduct the tests by following the reference curve within the tolerances given in Clause 5.
The constant speed test sequence for mopeds and motorcycles are defined in Annex C of this part of ISO 13064.
5 Tolerances
Tolerances on speed and time in the test sequence shall be as shown in Figure 1.
Key
X time, s
Y speed, km/h
1 reference curve
2 tolerance of speed, in kilometres per hour (km/h)
3 tolerance of time, in seconds (s)
Figure 1 — Reference curve and tolerances
A tolerance on speed of ± 2 km/h and a tolerance on time of ± 1 s shall be geometrically combined at each
point as in Figure 1.
One deviation of up to 4 s beyond these tolerances is permitted in any drive cycle. This exception shall
not be allowed to delay the determination of the end of the test sequence.
The total time-out of tolerances shall be mentioned in the test report.
6 End of test sequence criterion
The criterion for the end of the test sequence shall be as specified in Annexes A, B or C or shall be an
indication from the on-board instrumentation, given to the driver, to stop the vehicle.
2 © ISO 2012 – All rights reserved

7 Measurement of range and reference consumption
7.1 General
The following test method permits measurement of the range in kilometres and the electric energy
consumption at the stationary external power source in watt-hours per kilometre.
7.2 Parameters, units and accuracy of measurements
Table 1 specifies parameters and their units, accuracy and resolution.
Table 1 — Parameters, units and accuracy of measurements
Parameter Unit Accuracy Resolution
Time s ±0,1 s 0,1 s
Distance m ±0,1 % 1 m
Temperature °C ±1 K 1 K
Speed km/h ±1 % 0,2 km/h
Mass kg ±0,5 % 1 kg
a a
Energy Wh class 0,2 S class 0,2 S
a
According to IEC 60687.
7.3 Test conditions
7.3.1 Vehicle conditions
The vehicle shall be loaded according to specification of the test.
The vehicle tyres shall be inflated to the pressure specified by the vehicle manufacturer according to the
test chosen (track or chassis dynamometer) when the tyres are at ambient temperature.
The viscosity of oils used for the lubrication of mechanical moving parts shall conform to the specifications
of the vehicle manufacturer.
The lighting and light signalling and auxiliary devices shall be off, except those required for testing and
usual day-time operation of the vehicle.
All energy-storage systems available for other than traction purposes (electric, hydraulic, pneumatic,
etc.) shall be in the operating range specified by the vehicle manufacturer.
For the traction battery conditioning, the test driver shall follow the procedure recommended by the
vehicle manufacturer for keeping the temperature of the battery in the normal operating range. The
vehicle shall be run in properly in accordance with the manufacturer’s requirements, and in any case not
less than 100 km before the test with those batteries that are installed in the test vehicle.
The mass of the vehicle used in the test shall be in accordance with ISO 13064-2:2012, 3.1 and 3.2.
It is recommended to only use batteries that didn’t go through more than 50 charge/discharge cycles.
7.3.2 Atmospheric conditions
Outdoor test steps shall be carried out at an ambient temperature between 5 °C and 35 °C.
Indoor test steps shall be carried out at room temperature between 20 °C and 30 °C.
The atmospheric pressure shall be between 91 kPa and 104 kPa.
The relative humidity shall be less than 95 %.
The tests shall be performed in the absence of rain and fog.
For outdoor testing, the wind shall be steady. The wind speed and the direction of the wind shall be
measured continuously or with adequate frequency at a location where the wind force during the
measurement is representative. The wind conditions shall be within the following limits:
a) average wind speed: 3 m/s;
b) maximum wind speed for gusts: 5 m/s.
7.3.3 Driving selection mode
In case of two or more manually selectable driving modes, tests shall be conducted for each single
mode, and at least the worst case shall be mentioned in the test report. If the manufacturer can provide
evidence that proves what is the worst case mode, it is allowed to only test such mode.
7.4 Test procedure
7.4.1 General
The test procedure consists of the following four steps:
a) initial charging of the traction battery (see 7.4.2);
b) application of the appropriate test sequence, and measurement of the reference range and
consumption at the stationary external power source (see 7.4.3);
c) charging of the traction battery and measurement of the energy consumption at the mains (see 7.4.4);
d) calculation of the reference energy consumption (s
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