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Self-assembly bicycle battery - Kirin 48V 12,75Ah

Self-assembly bicycle battery - Kirin 48V 12,75Ah

  • Self-assembly kit based on the KIRIN casing and capacity of 12.75Ah. We remove the battery by sliding it to the side, which allows us to use the length of the bicycle frame as much as possible.
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284,87 €
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Self-assembly bicycle battery - Kirin 48V 12,75Ah

Battery 48V
Battery with max current efficiency 25A
Distance Eco
Approximate distance in summer at 25-27 km/h and 20% motor assistance: 72 km
Distance Standard
Approximate distance in summer at 25-27 km/h and 50% motor assistance: 58 km

Advantages of installing the battery yourself:

You save up to 400PLN
1. You save up to 400PLN at the cost of the battery. Installation is easy, no specialist knowledge is required, we include simple and convenient "Step by Step" instructions. All you need for assembly is a regular soldering iron (we recommend the cheapest soldering station for about PLN 100). The assembly time is estimated at approximately 1 hour for an inexperienced user. Our service department is here to help and know if you run into problems.
You gain unique knowledge
2. You gain new, unique knowledge. You don't buy a pig in a poke. You learn how the battery works and how it is constructed, so you know how to take better care of it, and it will reward you with longer, trouble-free operation.
You save in the future
3. If you are going to build another electric bike for your family or friends or you want to buy a second battery to increase the range - the ability to build your own bike will result in further, even greater savings and another portion of more interesting knowledge in the new hobby of electric bikes.

The set includes:

Battery pack 13S 5P

CHARGER 13S 3A 54,6V DC 2.1/5.5

BATTERY CASE

BMS

ACCESSORIES FOR THE CONSTRUCTION OF A DOWNTUBE BATTERIES

The battery fits the sets:

City conversion kit XP03

Power regulation - 250W-1000W

Max speed - 35km/h

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City converion kit Mxus XF15

Power regulation - 250W-1000W

Max speed - 35km/h

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Trekking converion kit XP04

Power regulation - 250W-1350W

Max speed - 40km/h

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Attencion:

Do not connect this battery model to the Trekking Mxus XF15 FAT, Trekking Mxus 30H and MTB Mxus 3K Turbo 3000W sets..

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

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

The real capacity of the battery pack (available capacity) is always smaller than the rated capacity of the battery pack (rated capacity of the cells it contains). It is assumed that the finished battery based on the package will have approximately 10% less real capacity than the theoretical rated capacity. This is caused by many factors, such as a decrease in cell capacity under load or the BMS leaving unused capacity (discharging to the minimum cell voltage of approximately 2.7V) in order to extend the battery life.

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

Charging socket
DC 2.1/5.5
Cell configuration
13s5p
Maximum discharge current
25A
Maximum charging current
3A
Rated voltage
48V
Rated capacity
12,75Ah
Estimated range
58km
Weight
4,2 kg
Welding
on a professional welding machine, tape pure nickel 100%
24 months for consumers, 12 months for companies

Each battery in the nexun.pl 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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