electric bikes

we make batteries for e-bikes

electric bikes

we make batteries for e-bikes

Battery Guru specializes in the production of lithium-ion batteries for electric bikes. We’ve already made hundreds of batteries and dozens of projects. During the largest bicycle fair in Poland Kielce Bike Expo 2018 we received a distinction for a bicycle battery.

We carry out serial orders and single copies of batteries above 700 Wh.

Our flagship product is a BG841 battery with a capacity of 17.5 Ah and 48V voltage, which drives e-bikes – high-powered electric bikes.

In addition to standard batteries, our designers have made dozens of structures in unusual shapes for individual customer orders.

Standard products can be found in our store in a permanent offer. Unusual designs can be also found in the on-line shop. If you need an individual project, order a free estimate – click the button below or contact our sales department.

what is an electric bike?

Electric bicycle, e-bike or moped is a bike equipped with electric motor.

Support can be provided by a motor located in the front or rear wheel (so-called hub motor), the motor can also be mounted centrally (so-called MID). Mainly used are brushless DC motors (BLDC) – low speed (Direct Drive) and gear motors (geared planetars).

Modern electric bikes are powered by lithium-ion batteries with capacities from 5 up to 20 Ah. Currently, the most popular voltage is 48V, in weaker bikes you can find 36V installations.

The power of 250 W in an electric bike only has to be valid when moving on public roads, so to ride in the forest or off-road power can be much higher. Unlocking the power takes place from the controller. Power from 250 W can be raised even up to 3000 W, and the speed from 25 km/h can increase up to 60 km/h.



Batteries are covered by a 24 month warranty. Warranty and post-warranty service in Europe.


New cells

We make batteries only from new cells selected by our machines.



Our batteries are covered by the OC policy. The policy is valid throughout the Europe.

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