PromoteτElectric Bicycle Lithium-Ion-Battery Rear-Rack 20AH 25ah-30ah 13AH 2000W Motor 10AH 15AHã

Electric Bicycle Lithium-Ion-Battery Rear-Rack 20AH 25ah-30ah 13AH 2000W Motor 10AH 15AH - Producer: MaJack
Identifier: 32980410735
Volume Retail Sales: MaJack piece
Availability: 1350 pieces
Last Update : Tue, 19 Jan 2021
US $245.00 - 590.00
(based on 0 user reviews)

Clearance Sale__ 36% PromoteτElectric Bicycle Lithium-Ion-Battery Rear-Rack 20AH 25ah-30ah 13AH 2000W Motor 10AH 15AHã,, finestwarrantyCutfor - best quality from trusted company.

Product Details

PromoteτElectric Bicycle Lithium-Ion-Battery Rear-Rack 20AH 25ah-30ah 13AH 2000W Motor 10AH 15AHã Specification

  • Brand NameJSA KAKA
  • Capacity21 - 30Ah
  • Voltage48v
  • TypeLithium Battery

PromoteτElectric Bicycle Lithium-Ion-Battery Rear-Rack 20AH 25ah-30ah 13AH 2000W Motor 10AH 15AHã Specification & Description Summary


Rear Rack Electric bicycle Battery 36V 48V 52V 60V 10AH



13AH 15AH 20AH 25AH 30AH Lithium ion battery for 500W


1000W 2000W motor





Parts included 

1. 1PCS 48V 20AH 3.7v 2600mah cell Lithium Battery 
2. 1PCS 50A Maximum Continuous Discharge Current Built-in BMS board 
3. 1PCS 54.6V  2A Charger (With EU/US/UK/AU AC Charger plug you can choose
15A BMS suitable motor:         48V     250W--500W  
20A BMS suitable motor:         48V     250W--750W  
30A BMS suitable motor:         48V     250W--1000W  
40A BMS suitable motor:         48V     250W--1500W  
50A BMS suitable motor:         48V     250W--2000W  

NOTICE: This battery is work for 250W -2000w motor, if you need to use it for more

than 2000W motor,pleasecntact with customer service or leave a message in your order.


If you need Rear Rack, please message us, we will change the price for you.

Product Specifications

Battery Model

48v 20ah

Nominal Voltage (V)


Nominal Capacity (AH)


Source Resistance (mΩ)

about 40

Cell Specification

3.7V 2600mah

Cell Combination

8-parallel  13-series

Cell Size

 3.7V 2600mah 18650

Cell Quantity (parallel*series)


Discharge Cutoff Voltage (V)

41+/- 1V

Charge Cutoff Voltage (V)


Rated Discharge Current (A)


nstantaneous Maximum Discharge Current (A)


Maximum Continuous Discharge Current (A)


Maximum Continuous Charge Current (A)


Charge Mode


Standard Charge Current (A)


Charge Time under Standard Charge Current


Fast Charge Current (A)


Charge Time under Fast Charge Current


Charge Temperature Range


Cell Size (L*W*T )


Battery Weight

About 6KG

Battery Power

1000W 1500W 2000W


1. Cells - A grade cells to make sure batteries in high and full capacity

2. Protection - Dual IC chips, that can anti-short circuit, anti-over charger,

anti-over current, anti-overload

3. Compose Type : Injection Technology to make battery more stable.

4. Certifications : CE,UL,FCC, RoHS, ISO9001

5.  Long life cycle, No memory, environment friendly.



Lithium battery features:


1.High energy density, Fast charging


2. Light weight, small size  Pollution-free, environment friendly


3. Long cycle life; It extends its cycle life up to 600-800 cycles


4. With short-circuit production function, safe and reliable


5. Large overcharge tolerance and safe performance the battery life is more longer


6. Simplifying battery management system (BMS such as overcharge/ discharge,over current, short circuit,


over temperature and balancing) and Battery Charger







1.Do not reverse the position and negative terminals.


2.Do not connect the battery electrodes to an electrical outlet.


3.Do not discard the battery in fire or a heater.


4.Does not use or leave the battery near a heat source as fire or heater


5.Do not short circuit, over-charge or over-discharge the battery pack


6.Do not strike, trample or throw the battery.


7.Do not directly solder the battery and pierce the battery with a nail or other sharp objects


8.Do not short-circuit the battery by directly connecting the positive and negative terminals with metal objects.


9.Do not transport or store the battery together with metal objects such as hairpins, necklaces, etc.


10.Use the battery charger specifically for that purpose when recharging. Use a constant current, constant voltage


(CC/CV) lithium-ion (Li+)batterycharge controller


11.Do not immerse the battery in water or seawater, and keep the battery  in a cool dry surrounding if it stands by.


12.If shelve a long time suggested that the battery need for regular recharging (even if not use), must charge and


discharge for three months one time;







1) We accept Alipay, West Union, TT. All major credit cards are accepted through secure payment process or escrow     



2) Payment must be made within 3 days of order.



3) If you can't checkout immediately after auction close, please wait for a few minutes and retry Payments must be


completed with in 3 days.






Delivery Time:


1. Battery is a special product, all batteries need several cycle tests before delivery, All e-bike batteries will be produced


once confirm production and test time need about 3-5 days




2. Delivery time depends on destination and other factors,if you have not receive the ebike battery more than 30 days


please contact with us.




3. Electric bike batteries will be Free Customs Taxes and VAT Fee to USA,Australia,Malaysia and EU countries, but the


several non-EU countries will not whole free, others countries will need to pay them by customers.






Delivery Method:


Notice:If your address is on an island, please contact with us before placing an order, thanks!




For European buyers:



All parcels be shipped by UPS or DPD,the following country no need to pay custooms fee:
The delivery time is usually 7-15days after dispatch


For Switzerland, Norway buyers



All parcels usually are shipped by UPS shipping,it will air to France first,then to the destination countries via DPD or UPS.


We will pay the tax in the France Custom .you have to pay the second tax fee in your custom .


it usually take 10-20 days after we send.




For American Canada  buyers:


We send by FedEx or UPS or postal ,Sometimes we send UPS,and sometimes we send Fedex or or postal, we choose the faster one.


you don't need to pay customs fee.


The delivery time is usually 8-15 days after we send.




ForJapan,Korea,Singapore,NewZealand,Malaysia,Thailand,Vietnam,Australia buyers buyers


We send by special shipping method ,The delivery time is usually 7-15 days after dispatch.





For Russian / Belarus buyers:


We send by CDEK. The delivery time is usually 15-30 days after dispatch.







We provide 1 year warranty for all electric bike batteries.


Any battery with quality problem in one month we can return the money after you provide the proof.


After one month we can send BMS or cells to you for repairing, or you can send it back to repair as well.


All our electric bicycle batteries with high quality cells and BMS, and they will be 100% tested before shipping





Your satisfaction and positive feedback is very important to us. Please leave


positive feedback and 5 stars if you are satisfied with our items and services.


If you have any problems with our items or services,please feel free to contact us before you


leave negative feedback. we will do our best to solve it for you and we are sure we will let you 100% happy. 













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