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UM-7K02A-000-00
One Holland, Irvine, California 92618, U.S.A. Phone: +1-949-951-5003
High Tech Campus 92, 5656 AG Eindhoven, The Netherlands Phone: +31-402-612222
Roebuck Way, Knowlhill, Milton Keynes, Buckinghamshire, MK5 8HL, United Kingdom
3-77 Oimatsu-cho, Sakai-ku, Sakai City, Osaka 590-8577, Japan
Lithium-ion Battery
The user's manual can be seen at the following link:
https://si.shimano.com
IMPORTANT NOTICE
•Contact the place of purchase or a distributor for information on installation and adjustment of the
products which are not found in the user's manual. A dealer's manual for professional and
experienced bicycle mechanics is available on our website (https://si.shimano.com).
•Please observe the appropriate rules and regulations of the country, state or region in which you
conduct your business as a dealer.
•Make sure to also refer to the “SHIMANO STEPS Special Battery and Parts User's Manual” and the
“SHIMANO STEPS User's Manual” as well.
For safety, be sure to read this user's manual thoroughly before use, follow it for
correct use, and store it so that it can be referenced at any time.
DANGER
WARNING
CAUTION
Important safety information
Consult your place of purchase or a distributor regarding items requiring
replacement.
Be sure to observe the following instructions in order to avoid burns or other injury
from fluid leakage, overheating, fire, or explosion.
DANGER
•Use the specified battery charger for charging and observe the specified charging conditions. Doing
otherwise may cause overheating, bursting, or ignition.
Do not leave the battery near sources of heat such as heaters, and do not heat the battery or
•
throw it into a fire. Doing so may cause bursting or ignition.
Do not deform, modify, disassemble, or apply solder directly to the battery. Doing so may cause
•
leakage, overheating, bursting, or ignition.
•Do not connect the terminals with metallic objects. If this is not observed, short-circuits or overheating
may occur, resulting in burns or other injury.
•Do not carry or store the battery together with metallic objects such as necklaces or hairpins. If this is
not observed, short-circuits or overheating may occur, resulting in burns or other injury.
•Do not place the battery into fresh water or sea water, and do not allow the battery terminals to get
wet. Doing so may cause overheating, bursting, or ignition.
•Do not throw or subject the battery to strong shock. Doing so may cause overheating, bursting, or
ignition.
•If the battery does not become fully charged even two hours after the designated charging time,
immediately unplug the battery from the electrical outlet and contact the place of purchase. Doing
otherwise may cause overheating, bursting, or ignition.
•In the event of a battery fire, the following should be noted:
– If possible, carefully keep other batteries away from the fire
– Evacuate all persons from the immediate area of fire
– Extinguish the fire with plenty of cold water (at least the weight of 10 battery packs)
WARNING
•Do not disassemble or modify the product. This may cause the product to not operate correctly, and
you may suddenly fall and be seriously injured.
•Use the product under the supervision of someone responsible for safety, and only as instructed. Do
not allow anyone (including children) with reduced physical, sensory, or mental capacity, or those
without experience or knowledge, to use the product. Do not allow children to play near the product.
•Keep away from children.
•If any liquid leaking from the battery gets into your eyes, immediately wash the affected area
thoroughly with clean water such as tap water without rubbing your eyes, and seek medical attention
immediately. If this is not done, the battery liquid may damage your eyes.
•If any leaked fluid gets on your skin or clothes, wash it off immediately with clean water (for at least
15 min). The leaked fluid may damage your skin.
•Medical assistance is required for symptoms caused by accidental ingestion of battery fluid, contact
with skin or eyes, or inhalation of battery combustion gases.
•If mist or vapor is inhaled by mistake, go immediately to an area with fresh air, stay warm and quiet,
and seek professional medical advice if required.
•Do not use it outside of the operating temperature ranges of the battery. If a battery is used or stored
in temperatures which are outside these ranges, fire, injury or problems with operation may occur.
1. During discharge: –10°C - 50°C
2. During charging: 0°C - 40°C
Temperatures above 60°C may result in battery leakage and rupture.
•Do not use the battery if it has any noticeable scratches or other external damage. If this is not
observed, bursting, overheating or problems with operation may occur.
Failure to follow the instructions will result in death or serious
injury.
Failure to follow the instructions could result in death or
serious injury.
Failure to follow the instructions could cause personal injury
or physical damage to equipment and surroundings.
User's Manual
•Do not use products with broken seals (*). Immediately forward them for appropriate recycling.
* The screw heads on the enclosure are sealed with adhesive or cover.
•Do not use the battery if leakages, discoloration, deformation, or any other abnormalities occur. If
this is not observed, bursting, overheating or problems with operation may occur.
•Do not recharge the battery in wet or very humid places, or outdoors. A fire, ignition, overheating, or
electric shock may occur.
•Do not insert or remove the plug while it is wet. Doing so may result in electric shock. If the inside of
the plug is wet, dry it thoroughly before inserting it.
•Batteries shall not be in contact with solvent materials (i.e. diluents, alcohol, oil, or anticorrosive
agents) or chemicals that impact surfaces (i.e. detergents).
CAUTION
•Do not leave the battery in a place exposed to direct sunlight, inside a vehicle on a hot day, or other
hot places. This may result in battery leakage.
•Avoid large temperature changes.
•Do not store this product near open fire and food.
•Store the battery at dry places.
•Handle components with both hands. Failure to do so may cause the components to fall and break or
cause injury.
•If an error occurs during the battery discharge or charge operation, immediately stop using it and
check the user's manual. If you are not sure, consult the place of purchase or a distributor.
•
Do not touch the battery when it is at a high temperature. Doing so may cause a burn.
•Avoid touching the battery for an extended period of time when its temperature has increased. Doing
so may cause a low-temperature burn.
Notice
•Charging can be carried out at any time, regardless of the remaining battery, but please fully charge
the battery in the following cases. Be sure to use the dedicated battery charger.
– The battery cannot be used at the time of purchase. Before riding, be sure to fully charge the
battery.
– When the battery is completely depleted, charge it as soon as possible. If you leave the battery
without charging it, the battery will deteriorate and may become unable to be used.
•Wait a while before pressing the power button when turning the power ON again after the power
has been turned OFF.
•Before connecting the battery, make sure that the area where the battery will be connected (terminal)
is dry and not dirty.
•Press the battery power button and if the LED display does not light up, the protective circuit is
operating. Connect the battery charger and charge the battery to deactivate this.
•Rechargeable batteries have the greatest performance when kept and used at normal room
temperature (20°C ± 5K).
•If the battery is charged in a low-temperature environment of 5°C or lower, the traveling distance of
a full charge will be shorter. Also, if the battery is used in a low-temperature environment of 5°C or
lower, the battery consumption will become quicker. This is due to the characteristics of the battery,
and the battery will return to normal when at a normal temperature.
•Riding with a high level of assistance in a low-temperature environment when the battery level is low
may cause the battery level to drop to 0%, due to the characteristics of the battery. Charge it before
use.
•Only use batteries for the applications that they were designed for.
•Make sure to also refer to the battery charger user's manual.
•Products are not guaranteed against natural wear and deterioration from normal use and aging.
•Note the following when transporting batteries:
– This product falls under the requirements of the Dangerous Goods Legislation
– Undamaged batteries can be transported on the road by private users without additional
requirements
– When batteries are transported by a third party, special requirements (e.g. ADR, DGR, UN-3480) on
packaging and labeling need to be met, and they may only be packed and shipped by trained
personnel
– Do not transport damaged/unfunctional batteries
– Be sure to confirm if any regulations in the country of origin and destination exist and adhere to
them
– Please contact an authorized bicycle dealer, SHIMANO local sales office or distributor, if you have
any questions about the transportation or shipment of batteries
•For maximum performance we highly recommend SHIMANO lubricants and maintenance products.
This device complies with part 15 of the FCC Rules. Operation is subject to the following two
conditions:
(1) This device may not cause harmful interference, and (2) this device must accept any interference
received, including interference that may cause undesired operation.
Main specifications
Battery main body Li-Ion
Nominal capacity BT-EN404-A / BT-EN604-A: 11.6 Ah
BT-EN405-A / BT-EN605-A / BT-EN805-A / BT-EN805-L-A: 14 Ah
BT-EN606-A / BT-EN806-A: 17.5 Ah
Operating temperature
range
Recommended storage
temperature
Nominal voltage 36 V
Check compatibility
Always check product compatibility when you want to change batteries or add new ones. Information
on component compatibility is provided on the SHIMANO product website (https://productinfo.shimano.
com/).
During discharge: –10°C - 50°C
During charging: 0°C - 40°C
–10°C - below 30°C
Gen.2 mark
This product is made for second-generation (Gen.2) systems only. Check for the “Gen.2” marking as
shown in the figure. Do not use with battery mounts that do not have this marking.
Example: BT-EN805 and compatible battery mount
Location of terminals
Battery (terminal) Battery mount (terminal)
E-TUBE PROJECT
The drive unit may not operate correctly if the latest firmware version is not installed. Connect to
E-TUBE PROJECT, then update the firmware.
Introduction
You cannot use the battery immediately after shipment. The battery can be used after charging it with
the designated battery charger. Be sure to charge it before use. The battery can be used when the LED
on it turns on.
Regular inspections before riding the bicycle
Before riding the bicycle, check the following items. If any problems are found, consult your place of
purchase or a distributor.
•Is the battery level sufficient?
•Is the battery installed correctly?
Handling method
Charging time
The charging time will vary depending on the battery level and the battery charger being used. Refer to
the battery charger user's manual for the designated charging time. This is a lithium-ion battery. Use the
dedicated battery charger designated by SHIMANO. For the charging method, follow the user's manual
for the battery charger.
Battery storage method
•If the bicycle will not be ridden for an extended period, store it with a battery level of approximately
70%. Also, charge the battery once every six months to ensure that it is not completely discharged.
•After a prolonged storage time, it may be necessary to charge and discharge the batteries multiple
times to restore their original performance.
•Store the battery or bicycle with battery installed in a cool indoor location away from direct sunlight
and rain (approx. 10 to 20°C). If the storage temperature is too low or too high, the performance of
the battery is reduced, and its usable time will be shorter. When you use it after a long storage period,
make sure to charge it first.
Battery life
•The battery is an exhaustible item. The battery will gradually lose its capacity to charging after
repeated use. If the length of time that the battery can be used and its traveling distance become
extremely short, it has probably reached the end of its life, and so you will need to purchase a new
battery.
•The life of the battery will vary depending on factors such as the storage method, the usage
conditions, the surrounding environment and the characteristics of the individual battery pack.
Used batteries
•Lithium-ion batteries are recyclable, valuable resources. Please observe the appropriate rules of the
country, state or region regarding used batteries. If you are not sure, consult the place of purchase or
distributor.
Disposal information for countries outside the European Union
This symbol is only valid within the European Union. Follow local
regulations when disposing of used batteries. If you are not sure, consult
the place of purchase or distributor.
Please note: specifications are subject to change for improvement without notice. (English)
© Dec. 2022 by SHIMANO INC. ITP
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