Personalized lithium battery for your bike

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Custom-tailored battery packs. You need a special battery? We build batteries to your... more

Custom-tailored battery packs.

You need a special battery? We build batteries to your requirements, supply lithium cells for do-it-yourself configuration and we also repair your old battery. This is what's possible:

  • Several rated voltages (24/36/48 V and more)
  • different shapes, e.g. to fit into a housing or bag
  • Fitting new cells into old battery housings, if possible.
  • Lithium cells and accessories with desired electrical features

You don't need to be an expert: We will have the best solution to fulfill your requirements.

Send us an email about your ideas or call us.

Contact us

Find detailed information about our batteries and battery technology in the following sections.

Different battery technologies

Why does Ebike Solution sell Lithium-Ion batteries exclusively? Lithium-Ion technology is superior to any other technology in practically any aspect. Because we only want to offer you the best, we rigorously refuse to sell any other battery technology. Here you can see different battery technologies in comparison:

Battery technology Lithium-Ion (Li-Ion) Nickel-Metal hydride (NiMH) Nickel-Cadmium (NiCd) Lead (Pb)
Energy density + o - -
Longevity + o - -
Voltage level + o o -

Battery chemistry

Different types of lithium-Ion-batteries can be distinguished by their different battery chemistries. Ebike Solutions uses cells with lithium-manganese-oxide (LiMnO), lithium-nickel-manganese-cobalt (LiNiMnCo) and lithium-nickel-cobalt-aluminium (LiNiCoAlO)

Cell types used by Ebike Solutions

What matters most to make a long-lasting, safe and powerful battery is not only battery technology and chemistry but especially good manufacturing. Many suppliers of cheap cells advertise longevity with charging cycles in the four-digit region. In fact these cells mostly are badly manufactured and never actually reach the claimed number of cycles. Ebike Solutions solely relies on meticulously tested cells from selected manufacturers. The manufacturers of the cells used by us belong to the best in the world. Due to their experience and high manufacturing standards they are constantly able to offer battery cell in excellent quality.

To build our batteries we use type NCRP type cells as a standard, because these offer an excellent combination of energy density and voltage level. These cell are designed as cylindrical cells and they're equipped with a pressure relief valve. Therefore when overcharged they don't catch fire and they do not explode. These cells use the format 18650, meaning they measure 18mm in diameter and 65mm in length. Each cell weighs approx. 45g.

NCRP cell are only surpassed by cell of the new NCBD type that offer an increased capacity of yet another 10%. If you are interested in these cell, call us.

Cell type EBS18650NCBD EBS18650NCRP
Energy density +++++ ++++
Longevity +++ +++
Voltage level +++ +++
Rated capacity 3.2 2.9
gravimetric energy density
single cell (Wh/kg)
255 230
gravimetric energy density
in pack* (Wh/kg) approx.
210 190
volumetric energy density
in pack* (Wh/l) approx.
385-440 350-400

*depends on discharge rate

This hi-tech cell provides an outstanding energy density and is high rate discharge capable, Ebike Solutions uses the EBS18650NCRP by standard for all of our self-assembled batteries. This cell type is ideal for light and powerful e-bike batteries thanks to its very good voltage level, cell capacity and fast-charging capability. Battery packs made from these cells contain a protective circuit board (BMS), that, if necessary adapts different cell voltages to the same level and switches off the battery in case of overcurrent, overvoltage or after total discharge.

Custom designing our EBS battery packs

We build batteries from solid cylindrical cells. We usually do not use foil-wrapped polymer cells, since these are mechanically unstable and can bulge by ageing. The EBS18650NCRP cells use Lithium-Nickel-Cobalt-Aluminium (LiNiCoAlO) as their battery chemistry.

Arranging cells in a square pattern makes the most sense in battery construction. Cells can also be arranged hexagonally in a honey comb shaped pattern, but that makes manufacturing more complex and therefore more expensive. Of course we can fulfil any other demands, like using a certain cell type, a separate charging port, a balancer exit according to Schulze-standard and much more.

Send us an email about your ideas or call us.

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Why does Ebike Solutions normally NOT use LiFePO4 cells?

We only use LiFePO4 cells, also known as lithium-iron-phosphate cells as very rare exceptions. Batteries using LiFePO4 technology offer several disadvantages. First, with the same energy they are up to twice as heavy and twice as big as a LiNiCoAl-Oxide battery. Second, a LiFePO4 battery with the same energy is about 50% more expensive. There's cheap iron-phosphate batteries in the market, yet these do never reach the claimed amount of charging cycles, since their cells do not offer the required quality. Therefore we only recommend hi-quality batteries, yet these, of course, have their price.

LiFePO4 based batteries only make sense when significantly more than 1000 charge/discharge cycles are needed. Our standard batteries already provide you with range of up 40,000km (25,000mls) at around 700 cycles. Mostly batteries will be rendered useless by unavoidable ageing not by too many charging cycles.

Iron-phosphate batteries age about half as fast as LiNiCoAl-Oxide batteries. Yet buying an expensive iron-phosphate battery mostly doesn't pay, since battery technology advances very fast. Every year batteries become about 5-7% lighter and smaller at the same capacity. Therefore Iron-phosphate batteries become obsolete during their lifespan. It makes more sense to invest in a smaller and lighter LiNiCoAl-oxide battery. When after a couple of years the battery is used-up you can profit from the progress made in the meantime by buying a new battery that now provides up to 40% more capacity.

What is a battery management system (BMS)?

BMS is an electronic circuit for battery monitoring. It increases a battery pack's safety by making sure that all cells are operated within the permitted voltage range only. When current is too high, temperature is too high or one line of batteries inside the battery is outside the permitted voltage range the charge output will be switched off. This avoids total discharge of the battery during normal operation. Caused by unavoidable self discharge, an insufficiently charged battery can drop to a too-low voltage level. These can be avoided by recharging the battery. Find further information about total discharge here.

An integrated balancer insures that any differences in voltage between single cells are equalized. The occurrence of these voltage differences is called "drift" and results in the fact that the affected battery cannot supply its full capacity anymore. This problem can be avoided by balancing the battery. In most cases batteries will only be balanced until the end of the charging process, depending on the BMS's architecture. Therefore it is recommended to occasionally charge the battery to full capacity.

In case of a problem with the charging device the BMS makes sure that the battery cannot be overcharged. A capacity gauge maybe included to display the remaining capacity.


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