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If the ground is wet, tyre grip may be poor, leading to a risk of slipping. Adapt your driving behaviour accord-
ingly and never drive with worn tyres.
4. Battery (built into the wheels)
Maintenance-free, rechargeable lithium-ion batteries are built into the e-motion wheels. For safety reasons,
these cannot be removed by the wheelchair user. If necessary, they must be removed by your authorised special-
ist dealer.
Read and observe the following safety instructions and precautions before using the e-motion and starting the
charging process. Failure to comply with the safety precautions and instructions may damage the product or res-
ult in electric shock, fire and/or serious injuries. The lithium-ion battery contains chemical substances, which
may cause hazardous reactions if the safety instructions specified here are disregarded. Alber GmbH cannot be
held liable for damage caused by non-compliance with the general information and safety instructions.
4.1 Safety instructions for the built-in batteries in the e-motion wheels
• Before the e-motion wheels are used for the first time, the battery should be fully charged.
• The wheels must only be used at temperatures between -25°C and +50°C.
• The wheels must not be exposed to heat (e.g. radiators) or fire. External heat exposure can cause the battery to explode.
• In the (unlikely) event of a battery overheating or catching on fire, you must ensure that the battery does not come into contact with
water or other liquids. The only suitable extinguishing agents recommended by the battery manufacturers are sand or a Class D fire
extinguisher.
• Your e-motion uses power in all operating modes. As such, both batteries should be charged up full after each use whenever possible.
• The e-motion wheels – and the in-built batteries in particular – must not be opened or dismantled. Improper opening or wilful destruc-
tion of the wheels or the battery carries a danger of serious injury. In addition to this, opening the battery will void any warranty
claims.
• Never connect the charger socket [2] to metallic objects, or ensure that the contacts never come into contact with metallic objects
(e.g. metal filings).
• If the charger socket [2] is dirty, clean it with a clean, dry cloth.
• Never immerse the battery in water.
• If damaged or defective, the battery must be checked. In such cases, contact your specialist dealer to learn about the proper procedure
for returns and repairs.
• The wheel with the defective/damaged battery must not be used or opened under any circumstances.
• Always ensure that the e-motion wheels are kept clean and dry.
4.2 Storing the wheels
• The service life of a battery is partly dependent on its storage location. As such, never leave the e-motion wheels in hot locations for
prolonged periods of time. In particular, use the boot of a car parked in the sun only for transport – never as a storage location.
• Store the wheels in a cool, dry location where they are safe from damage and unauthorised access.
• To achieve the optimum battery service life, store the wheels at a temperature between 18°C and 23°C, and at a humidity of 0 to 80 per
cent. The charge status under these conditions should be 50 per cent.
• Do not expose the wheels to moisture of any kind (water, rainwater, snow, etc.) during storage.
• Charge the batteries prior to storage and check their charge status every 3 months. Whenever necessary, charge the batteries to between
50 and 70 per cent. The free Mobility app offers a function that allows you to automatically discharge fully charged batteries to 65%
when putting the e-motion wheels into storage.
• The wheels should be stored or transported on their backs or standing up.
4.3 General information on charging the batteries
• Do not charge the batteries in the presence or vicinity of flammable liquids or gases.
• In the (unlikely) event of a battery overheating or catching on fire, you must ensure that the battery does not come into contact with
water or other liquids. The only suitable extinguishing agent recommended by the battery manufacturers is sand.
• Never complete the charging process in rooms where moisture may affect the wheels and the in-built batteries.
• Never charge the battery at temperatures below 0°C or above 40°C. If you attempt a charging process outside of this temperature
range, the charging process will be automatically aborted.
• It takes a maximum of 6 hours to charge the battery.
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