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Super Capacity Polly Electric Bike Battery 48V 21Ah (BMS40A)Samsung Cell Batteries For 1000W 750W 500W e-Bike Engine with 4A Charger

DER049-3.4821SAM3500P40
This Item ships from Germany , Can ship to most EU Countris .
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  • Description
  • Warranty
  • Trade & Market
  • Notes in use
  • Company Profile
  • Why UPP
  • FAQ
  • Reviews
Specifications
Voltage: 48V BMS: BMS40A Model: R049-3

Battery Specification

Nominal Voltage: 48V

Nominal Capacity: 21Ah

Composed Type: 13Series 6Paralles 13S6P
Cells: Samsung 35E 18650 3.7V 3500mAh 10A 3C Cells

BMS: 30Amp continuous 90±10Amp maximum / 40Amp continuous 120±10Amp maximum

Fit Motor Power: 52V With 30A BMS for 350W 500W 750W 1000W Motor

                          52V With 40A BMS for 750W 1000W 1500W Motor

(Note: battery voltage should keep same with motor, most of 52V battery can work on 48V motor, but before you choose 52V batttery for 48V motor, please check with motor seller wether their 48V motor support 52V battery.)

Riding Mileage: 51~65km

Charge Current: 2~3A

Charge Cut-off Voltage: 54.6V
Discharge Cut-off Voltage: 36.4V

Battery Charger: 4A Fast Charger
Discharge Temperature: -20 to 65°C
Charge Temperature: 0 to 45°C
Dimensions: 367*140*90mm
Battery Weight: 5.2kg
Cycle life: ≥80% capacity after 800 cycles







Connectors can be specified, please note on order.

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 provid the proof.

After one month we can send BMS or cells to you for repair,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.

Our global after-sales service centers are located in 
Westhausen Germany, California USA, Victoria AU.

If your battery cant work during warranty, sent it to nearest after-sales center, we will repair it well then send it to you.

               


 
Trade & Market

 
Main Markets Total Revenue(%)
North America 23.00%
Western Europe 20.00%
Oceania 15.00%
Northern Europe 12.00%
Eastern Europe 9.00%
Southern Europe 8.00%
Southeast Asia 6.00%
South America 5.00%
Mid East 2.00%
  • Do not immerse the battery in water or seawater, keep the battery stands by in a cool dry surrounding.
  • Does not use or leave the battery near a heat source as fire or heater.
  • Use the battery charger specifically for that purpose when recharging.
  • Do not upside down the position and negative terminals.
  • Do not connect the battery electrodes to an electrical outlet.
  • Do not discard the battery in fire or a heater.
  • Do not short-circuit the battery by directly connecting the positive and negative terminals with metal objects.
  • Do not transport or store the battery together with metal objects such as hairpins, necklaces, etc.
  • Do not strike, trample or throw the battery.
  • Do not directly solder the battery and pierce the battery with a nail or other sharp objects.

 

Shenzhen Unitpackpower Technology Co., Ltd


We are a professional manufacture with factory, which produce all kinds of high quality lithium baterruies as customers' requirements and designs. Our products have already exported to many places all over the world. This is a team which not only master advanced science and technology but also full of passion and energy. We are trying best to provide you high quality products as well as the sincere services.




Why Choose UPP (Unit Pack Power)?

1) Factory Direct Store: We assemble all batteries in our own factory, never use fake or cheap cell pack sell at lowest price to attract buyers. In addtion, we have to scrimp on everything, assemble them as quickly/cheaply as possible. We don’t take chances when it comes to our batteries or your safety!

2) Official High Quality Cell Sources: We only source genuine A-grade genuine cells from the official sources.

3) Every Battery Made Cycle Test: Each pack is ran through a full charge and discharge before leaving our facility to make sure you are getting every amp hour you paid for.

The test include: Short Circuit Safety Test √ Overcharge Safety Test √ Crush Safety Test √ Needing Safety Test √ Extrusion Safety Test √

4) Best Oversea After-sale Service: We do all this and offer it at our usual low pricing, we don’t charge a premium for Safety and Reliability. We have a proven track record of offering great after-sales support and warranty repairs/replacements. We will not leave you stuck (12 Month warranty, with Support Centres in Germany&Belgium&USA&Canada&Australia).
FAQ

Q: What type of this electric bike battery?
A: It is li ion battery, Chemical is Li(NiCoMn)O2.

Q: What is the difference between li ion battery, NI-MH battery and Lead acid battery?
A: E-bike Li-ion battery have longer cycle life, normal cycle life is 800-1000 times, and also with light weight, small size, No memory effect, Nontoxic, environmental friendly.

Q: What's temperature range of charge and discharge?
A: Charge Temperature: 0 to 45°C and Discharge Temperature: -20 to 65°C

Q: What kind of cells used on this electric bicycle battery?
A: Different capacity with different cells, we make the battery with original A grade Samsung,Panasonic,Sanyo,LG and high quality domestic cells,all can be customized as your requests.

Q: Do your e-bike battery come with charger?
A: All of our e-bike batteries come with charger, Unless it says no charger. We have normal charger and fast charger. If you need fast charger please contact with us.

Q: Do your electric bike batteries come with BMS?
A: Yes, Our batteries all with SEIKO IC BMS, with stable performance.Which can protect the battery avoid short circuit,Overcharged,Over discharge and Over current.

Q: Can you provide OEM and ODM service?
A: Yes, We are a professional Electric Bike Battery manufacture with factory, which produce all kind of high quality E-bike lithium batteries as customers' requirements and designs, welcome to place OEM and ODM orders and visit our factory.
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