Super September 2021 selected products
Min. Order : 2 Pieces
100-199 Pieces
200-499 Pieces
≥500 Pieces

Hot selling down tube lithium ion batteries 52V 17.5Ah Hailong electric bike battery

Note: Please be cautious and check with your supplier if this product is for virus protection purposes and if the coronavirus (COVID-19) will affect your order.
Trade Assurance
Built-in order protection service in
Product quality
On-time shipment
More on shipping and other trade services.

Quick Details

Type: Lithium Battery
Place of Origin: GUANGDONG,CHINA
Cycle life: 800-1000 Times
Warranty: 12 Months
Battery type: 18650 Li Ion Cell
Nominal Voltage (V): 52V
Product name: 52v E-bike Battery
BMS: 40A
Nominal Capacity (Ah): 17.5Ah
Charger: 58.8V 2A
Application: E-bike, Electric Bike
Certification: Ce/RoHS/MSDS/UN38.3/ISO9001
Packaging Detail: Suitable for shipping and air transport packaging.
Selling Units: Single item
Single package size: 41.5X19.5X14.5 cm
Single gross weight: 7.0 KG
Package Preview:
Shenzhen Unit Pack Power Technology Co., Ltd.
Response Time
On-time delivery rate
US$ 820,000+
R&D staffs
Visit Store
Product Description
Hot selling down tube lithium ion batteries 52V 17.5Ah Hailong electric bike battery
1. Detail Specifications
Model No.
Battery Material
Li(NiCoMn)O2 18650
Nominal Voltage
Nominal Capacity
Battery Cells
Samsung 3500mAh
Fit Motor
250W, 500W, 750W, 1000W, 1500W
Discharge Cut-off Voltage
Charge Cut-off Voltage
Standard Charge Current
Max Charge Current
2. Basic Data
Battery Weight
Cycle life
1000 Cycles
1 years
Charging Temprature
0~45 Celsius
Discharging Temprature
-20~60 Celsius
Electric bicycle/Escooter/Richshaw/Tricycle/Motor Cycle/City Bike/MTB
3. Packing List
battery * 1pc
Charger* 1pc
Key* 2pcs
Details Images
Charge Plug and Discharge Connector
1. Electric bicycle batteries with US EU UK AU charger AC plug, it will be matched as delivery country if without request.
2. There are 10 different kinds of electric bike battery discharge connectors available for you to choose, if without request will shipping with 250mm naked cables.
UPP Recommend Product
 Jumbo Shark Battery
Jumbo Shark Battery can make 36V/48V/52V, and it can install 70 cells, fit for 250w, 350w, 500w, 750w, 1000w, 1200w,1500w motor.
Mini Botle Battery
Mini bottle battery is small and light, can make 24V, 36V, It can install 20 cells or 30 cells,fit for 250w, 350w or 500w motor. 
Plastic Triangle Battery
Triangle case battery can install 117 cells, can make 24V-72V, fit for 250w-3000w motor. The voltage and capacity can both customized.
Rear Rack Battery
High Capacity rear rack battery, can make 36v, 48v, 52v. The biggest current can install 50A BMS, fit for 250w, 350w, 500w, 750w, 1000w, 1500w motor.
Electric scooter battery
The voltage and capacity can customize according to your motor's power. The size can be customized too. 
Silver Fish Battery
Silver Fish Battery can make install 70 cells, can make 24v, 36v, 48v, fit for 250w, 350w, 500w, 750w, 1000w motor. 
Production Process
Packing & Shipping

Battery usually is shipped by UPS/Fedex/DPD air door to door. Generally we will ship battery by special cargo airplane that allow li ion battery aboard plane to destination country.
When battery arrive, local UPS/Fedex/DPD shipping agent will send batteries to you.

Shipping time:
USA: About 7 days, free tax
EU/UK: 7-10 days, free tax
AU/New Zealand: 7-8 days, free tax for AU.
Canada:15 days
Japan/Korea/Singapore/Malaysia: 3-4 days, free tax.

Company Information
We have these certifications for our battery packs:
IOS9001:2015/CE/ RoHS/UN38.3/MSDS/SAA for charger(Australia Market)
If you need other certifications for E-bike battery, please tell us.
Customers Feedback

Q1: Are you factory?
A1: Yes, our factory is in Shenzhen, China. Specializing in rechargeable batteries. Lithium ion batteries, lithium batteries and power batteries and chargers for more than 10 years.

Q2: Do your e-bike battery come with charger?
A2: 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.

Q3: Do your electric bike batteries come with BMS?
A3: Yes, Our batteries all with SEIKO IC BMS, with stable performance.Which can protect the battery avoid short circuit,Overcharged,Overdischarge and Overcurrent.

Q4:What is your delivery date?
A4: Electric Bike Battery will be sent out within 5 days after confirmed order,shipping will cost 3-15days,it depend on quantity and which battery you need.

Q5:How long is the battery expected to last?
The battery should have around 800-1200 recharge cycles, about 2-3 years.Its capacity diminishes over time, when it goes down to 75%,you should replace it.The more you use the bike, the better the battery retains its capacity, since it keeps the Lithium moving.

Q6: How to maintain the battery?
A: The battery should be stored in clean, dry, ventilated, dark environment when not using.Keep it after full charge,recharge it every 3 months or 6 months.

Q7:What about after-sale service?
A7: We will offer you 1 year guarantee. If there are any problems, please inform us, we will offer you positive solutions.Besides,we also have office and warehouse in US/Germany,can give you better after-sale service.

Q8: Can you provide OEM and ODM service?
A8: Yes, We are a professional Electric Bike Battery manufacture with factory, which produce all kind of high quality Ebike lithium batteries as customers' requirements and designs, welcome to place OEM and ODM orders and visit our factory.

Q9: What is the difference between li ion battery,NI-MH battery and Lead acid battery?
A9: Ebike Li-ion battery have longer cycle life,normal cyclelife is 600-800times, and also with light weight, small size, No memory effect, Nontoxic, environmental.