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Self-assembly e-bike battery - Battery Pack 36V 23,4Ah 842Wh with charger ( - 83 km

Self-assembly e-bike battery - Battery Pack 36V 23,4Ah 842Wh with charger ( - 83 km

323,86 €
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Self-assembly e-bike battery - Battery Pack 36V 23,4Ah 842Wh with charger ( - 83 km
Self-assembly e-bike battery - Battery Pack 36V 23,4Ah 842Wh with charger ( - 83 km
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Self-assembly e-bike battery - Battery Pack 36V 23,4Ah

Battery 36V
Battery for conversion kit maximum power of 1000W
Range Eco
Approximate range in summer at 25-27 km/h and 20% motor assistance: 104 km
Range Standard
Approximate range in summer at 25-27 km/h and 50% motor assistance: 83 km

Advantages of assembling the battery yourself:

You save up to PLN 400
1. You save up to PLN 400 on the cost of the battery. The assembly is easy, no specialist knowledge is required, we attach simple and convenient "Step by step" instructions. An ordinary soldering iron is enough for assembly (we recommend the cheapest soldering station for about PLN 100). We estimate the duration of the assembly at about 1 hour for an inexperienced user. Our service department is there to help and know if you run into any problems.
You gain unique knowledge
2. You gain new, unique knowledge. You know what you buy. You learn how the battery works and how it is built, so you know how to care for it better, and it will repay you with a longer failure-free operation.
You save in the future
3. If you are going to build another electric bike for your family or friends or you will be willing to buy a second battery to increase the range - the ability to build yourself will result in further, even greater savings and another portion of interesting knowledge in the new hobby of electric bikes.

The kit includes:


CHARGER 10S 3A 54,6V DC 2.1/5.5





The battery fits the sets:

Kit City XP03

Power adjustment - 250W-1000W

Max speed - 35km/h

Kit City Mxus XF15

Power adjustment - 250W-1000W

Max speed - 35km/h

Kit Trekking XP04

Power adjustment - 250W-1350W

Max speed - 40km/h

Kit Trekking Mxus XF15 FAT

Power adjustment - 250W-1350W

Max speed - 40km/h

Kit Trekking Mxus 30H

Power adjustment - 250W-1500W

Max speed - 50km/h



Do not connect this battery model to Mxus 3K Turbo 3000W MTB set.

You do not know if the battery case will fit into your bicycle frame? Download the templates and print it in a 1:1 scale, after printing, check that both marked dimensions of 50mm are consistent with reality, otherwise the housing could be printed in a different scale and the dimensions will not match.

Download the battery template for the try-in on the bicycle frame - Click here

Be sure to connect the charger to the batteries in the correct order. ALWAYS connect the charger to a 230V socket first and then to the charging socket. DO NOT connect upside down. This can quickly damage both the charger and the BMS installed in your battery. Reverse connection causes the effect of sudden charging of the output capacitors of the charger through the BMS socket. This is accompanied by the flow of huge current that can damage the plug, socket, BMS mosfets or even the charger transistors.

The real capacity of a package (available capacity) is always lower than the nominal capacity of a package (rated capacity of its cells). It is assumed that a ready battery based on a package will have about 10% lower real capacity than the theoretical rated capacity. It is caused by many factors, such as the decrease in the capacity of the cells under load, or leaving the unused capacity by the BMS (discharge to the minimum cell voltage to about 2.7V) in order to extend the life of the battery.

If your BMS has a turn-on circuit (two white wires) and it is disconnected (wires are not short-circuited) then it needs to be connected (short-circuited) to turn on the BMS.

How to install the battery?

Charging socket
DC 2.1/5.5
Cell configuration
Maximum discharge current
Maximum charging current
Rated voltage
Rated capacity
23,4Ah 842Wh
Estimated range
83 km
Cells type
18650 new, Reclaimed, 0 cyclesMore

The cells used for construction come from disassembly unused cell packages. They have the same capacity and service life as new cells. They are an excellent alternative to having a larger battery at a lower price.


Before welding, the cells undergo tests for capacity and internal resistance.

5,4 kg
on a professional welding machine, tape pure nickel 100%
24 months for consumers, 12 months for companies

Each battery in the online store is covered by a 24-month warranty for consumers and a 12-month warranty for companies.

The warranty covers:
- Cell damage
- BMS damage
- Capacity decline (over 15% per year)

The warranty does not cover:
- Errors in assembly that do not comply with the instructions or workmanship
- Improper maintenance
- Mechanical damage (cracked/broken casing, melted connection terminals, etc.)
- Changes in the product's operating characteristics depending on weather conditions (temperature)
- Water damage


To maximize battery life, use the following recommendations:
1. Fully charge the battery after each ride
2. Fully charge the battery every 3-4 weeks when you do not use it, e.g. winter break.
3. In the autumn and winter (temperature below +12*C), lithium-ion batteries have a lower capacity (by max. 30%) than in the summer, which results in a shorter range. This is normal. During this period, do not use the full power for the first 10-15 minutes of riding.
4. Do not charge the battery with a current higher than 3A.

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