2020 New Jumbo/Polly Battery 48V 21Ah 24.5Ah 52V 21Ah Max downtube Battery with Samsung Cell for 750w 1000w 1500w motor
Brand Name: UNITPACKPOWER
Capacity: 10 - 20Ah
Voltage: 48v
Type: Lithium Battery
Specs: 48V 21Ah 24.5Ah/ 52V 21Ah
Cells: Samsung 18650 3.7V 3500mAh 10A 3C Cells
Fit for motor: 48V 52V within 1500W motor/1000W Optional
BMS: 40A/30A optional
Battery Net Weight: 5kg/5.7kg/5.3kg
Battery Dimensions: 367*90*140mm
Charger: 2.5A
Lifecycle: 800-1000 Cycles with DOD80%
Certificate: CE,UL,RoHS,MSDS,UN38.3
Warranty: 12 months
Model: R049-3
Unique feature1: Stronger case than normal hailong
Unique feature2: Super Big case with Higher Capacity
2020 NEW JUMBO/POLLY BATTERY 48V 21AH 24.5AH 52V 21AH MAX DOWNTUBE BATTERY WITH SAMSUNG CELL FOR 750W 1000W 1500W MOTOR
Key Features and Upgrade:
1. Newest Polly case battery, the case is
stronger a lot than market normal hailong battery
Bigger than market hailong and polly battery, with higher capacity, longer distance.
2. Battery mount base upgrade: Added one more mounting hole for easier installation and for more ebike models, reduce the controller space to increase battery cell space to get more capacity. (detail as below picture shows)
3. Transmission current upgrade: 5 needles dischage port to instead of 4 needles for better connect. (detail as below picture shows)
Specification
Nominal Voltage: 48V/52V optional
Rated Capacity: 21Ah 24.5Ah optional
Cell inside: Samsung 18650 3.7V 3500mAh 10A 3C cells
Configuration: 13S 6P/ 13S 7P/ 14S 6P
Charge Current: 2-2.5A
Max charge voltage: 54.6V/ 58.8V
AC input: 110-240v,50/60HZ
BMS Continue Discharge Current: 30-45A
Peak Discharge Current: 130A/110A
48V 21Ah(24.5Ah) 30A BMS Fit for Motor: 48V 1000W 750W 500W 250W (can't over 1000w)
48V 21Ah(24.5Ah) 45A BMS Fit for Motor: 48V 1500W 1000W 750W 500W 250W (can't over 1500w)
52V 21Ah 30A BMS Fit for Motor: 52V 1000W 750W 500W 250W (can't over 1000w)
Note: please keep battery voltage same as motor, but usually 52V battery also can work for most of 48V motors too, before order a 52v battery for 48v motor, please double check with motor seller whether your 48V motor support the 52V battery.
Charged Cut-off Voltage: 54.6V/58.8V
Discharge Cut-off Voltage: 39V/42V
Battery Net Weight: 5kg for 48v 21ah/ 5.7kg for 48v 24.5Ah/ 5.3kg for 52v 21Ah
Battery Dimensions: 370*90*140mm
Charger plug: US/EU/UK/AU AC plug
Operating Temperature: Charging 0℃-45℃, Discharge -20℃~65℃
Lifecycle: 800-1000 Cycles with DOD80%
Charger plugs and Discharge connectors optional:
1.Charger Plug: US EU UK AU plugs optional, will provide according to delivery country if without requested.
2. Discharge Connector: There are 8 kinds optional as below picture, will provide naked cable or soldered with default connector if without requested.
About Shipping:
Battery is a special product, all batteries need several cycle test before delivery, so production and
test time need about 3-7 days after confirm order;
For EU Countries customer: (Tax free)
Air to Europe firstly, then dispatch by Europe UPS/DPD, tracking number can be trackable online after UPS/DPD transfered the parcel.
Shipping time is usually 7-12 working days( not including Sat Sun) after delivery.
For USA Customers: (Tax free)
Shipping by Fedex/UPS, Shipping time is usually 6-12 working days after delivery.
Special Line:
1)Shipping by Special Line to Australia, Malaysia, Thailand, Taiwan, Shpping time is usually 4-12 working days.
2)Shipping by Specail Line to Russia(Tax free), tracking online update after arriving Moscow. Shipping time is usually 18-28 working days.
Please note: battery can't be sent to any island address, if you're from a Island address, please check with us before order.
UnitPackPower also have warehouse and maintenance center at USA and Germany,
Any store without our brand" UNITPACKPOWER" in the ID or name all are fake stores.
Their batteries not from us, with different quality.
Guarantee
We provide 1 year warranty for all electric bike batteries.
Any battery with quality problem in o n e month we can return the money after you provide 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.
Top brand lithium battery manufacturer in China, rest assured to buy.
We don't supply warranty service for the following situation :
The battery goes over water
The battery is broken man-made
The cells are burnt out after using .
Return the battery without reason
Open a case without contacting us
Feedback
Our battery can fit all motor kit, but exclude these four : Bosch, SHIMANO, Yamaha, Panasonic .
Please contact us, If you can't conifrm your motor.
If you have any problems please feel free to contact us BEFORE you leave negative feedback or file a case.
Any problem is not a problem, as long as you contact us.
Your satisfaction and positive feedback is very important to us.
Please kindly leave positive feedback and 5 Stars for us if you are satisfied with our items and services.
Company Information:
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.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.
Lithium battery features
Longer battery life, the life expectancy is two times that of lead-acid batteries.
Rechargeable and no memory effect.
The weight is more lighter.
Smaller dimensions and can be customized.
Safer and more environmentally friendly, No heavy metals and hazardous substances.
BMS built-in IC chip will prevent battery pack over charge, over discharge, over-current,
over-heat, short circuit .
Warnings
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 reverse 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.
Imagine if you could be satisfied and content with your purchase. That can very much be your reality with the 2020 New Jumbo/Polly Battery 48V 21Ah 24.5Ah 52V 21Ah Max downtube Battery with Samsung Cell for 750w 1000w 1500w motor.
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