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Polly DP-21700-5 R049-8 36V 48V 52V 20Ah 25Ah BMS20-50A Large Capacity Jumbo Shark Electric Bike Battery for 250W 350W 500W 1500W Motor【EU STOCK】

This Item ships from Germany , Can ship to most EU Countris .
Free tax , no custom value , and fast shipping with DE DHL .
Free  shipping (Austria、Belgium、Bulgaria、Croatia、Czech Republic、Denmark、Estonia、Finland、France、Germany、Greece、Hungary、Ireland
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  • Parameter:
    36V 25AH BMS20A 5000mAH
    36V 25AH BMS25A 5000mAH
    48V 20AH BMS50A 5000mAH
    52V 20AH BMS50A 5000mah
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(140 available)
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  • Description
  • Trade & Market
  • Notes in use
  • Company Profile
  • Warranty
  • Why UPP
  • FAQ
  • Reviews

R049-8 36V 48V 52V 20Ah 25Ah BMS20-50A Large Capacity Polly DP-21700-5 Jumbo Shark Electric Bike Battery For 250W 350W 500W 1500W Motor【EU STOCK】/ Fast delivery/3-8working days arrive

Product Description

Battery Parameter
Model UnitPackPower-R049-8
Battery Type Li ion Battery
Rated Voltage 36V 48V 52V
Rated Capacity 25Ah 20AH 20AH
Battery Cell 5000mAh 5000mAh 5000mAh
Watt Hour 900WH 960WH 1040WH
Series&Parallel 10S5P 13S4P 14S4P
Dimension 368*95*125mm 368*95*125mm 368*95*125mm
Battery Weight 4.9KG 5KG 5.22KG
Max. Constant Discharge Current 20/25A 50A 50A
Peak Discharge Current 60A/75A 150A 150A
Max.Charge Current 3A 3A 3A
Max.Charge Voltage  42V 54.6V 58.8V
Discharge Cut-off Voltage 28V 36.4V 39.2V
Cycles Life ≥1000 ≥1000 ≥1000
Charger 42v 3A 54.6V 3A 58.8V 3A
Dischage Connector Big warhead/XT60 XT60 XT60
Fit For Power 500W/750W 0-1500W 0-1900W
IP Rating IP65 IP65 IP65
Charger Temperature 0~45℃ 0~45℃ 0~45℃
Discharge Temperature -10℃~60℃ -10℃~60℃ -10℃~60℃
BMS Overcharge, overdischarge and over-temperature protection
 

Note:.The battery base is locked to the bottom of the battery upon arrival. Use your key to unlock and detach the base before installation. 

Package list:
EBike Battery Pack*1
Charger*1
Keys*2
User Manual*1











We use Big Warhead connector, If need other discharge connector, Please remark it on your order.
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.





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.

               


 
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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