High-rate discharge
Pull-away, gradients and payload demand high instantaneous current. We match the model and protection parameters to your peak and continuous current requirements.
Mobility battery packs: two-wheel, three-wheel and low-speed vehicles
High current on pull-away and on gradients, usable in winter, cycled every day. A mobility pack is a trade-off between high-rate discharge, low-temperature performance and cycle life.
Requirements
What this application demands of the pack
These are the electrical and mechanical points that matter in this application.
Low-temperature performance
Capacity loss in winter and restricted charging at low temperature are common problems on two- and three-wheelers. We assess from both the chemistry and the thermal design based on where and when the vehicle is actually used.
Cycle life and daily fast charging
Mobility is a high-frequency charge and discharge application, often with fast charging on top. Cycle performance and charging strategy need to be settled at the selection stage.
Scope
Where this application is used
12 types of end product are covered by this application. The form factors and routes below are the usual directions; the final choice is made by us against your requirement.
Mobility: end products we address
E-bikeElectric two-wheelerElectric motorcycleElectric scooterSelf-balancing scooterLow-speed four-wheelerSightseeing vehicleGolf cartMobility scooterElectric wheelchairChildren's ride-on vehicleSwappable and shared-mobility packs
Checklist
What we need from you
Give us these and while meeting your performance needs we pick the most cost-effective option for you.
| Item | What to tell us |
|---|---|
| Vehicle type and use | The exact vehicle — e-bike, two-wheel, three-wheel, low-speed four-wheel — and its payload |
| Voltage and capacity | Vehicle voltage platform and the range you are targeting |
| Peak and continuous current | Current requirements for pull-away, gradients and normal riding |
| Installation space and weight limit | Battery compartment dimensions and acceptable weight and form factor |
| Region and season of use | Minimum operating temperature and charging conditions, used to assess the low-temperature direction |
| Capacity & discharge | Built from 0.1 Ah to 600 Ah to your requirement — common levels such as 10 Ah, 20 Ah, 50 Ah, 100 Ah and 200 Ah are all confirmed per model; continuous and peak rates are matched to the duty cycle |
The above describes the general matching logic only. The final selection is made by us — your requirements come first, and we work to reduce your cost as far as safety allows.
FAQ
Questions about mobility packs
Which form factors are available for mobility packs?
Two: prismatic and cylindrical. Both are built to the dimensions of your frame battery compartment and to your interface requirements.
What can be done about range loss in winter?
Capacity loss at low temperature is inherent to the battery. Tell us your minimum operating temperature and charging conditions; we will suggest a direction from both the chemistry and the thermal design, driven entirely by your requirement.
Do you support fast charging?
Tell us the charging time and charging current you need. The charging strategy and protection parameters are settled at the selection stage, lowering your cost as far as safety allows.
How is certification handled?
We hold 17 certifications and reports including CE, IEC 62133, UL 2054, RoHS and REACH. Mature models come with existing certificates, provided directly; newly customised models are checked item by item against your target market and specifications. New certifications are handled end to end by our team, with testing costs and timelines set out in the proposal for your confirmation before anything starts.
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