Approved 48V 17.5ah Hailong Samsung Ebike Battery
shenzhen Delong Energy Technology Co., Ltd.
Guangdong, China
Last Login Date:
Jul 16, 2025
Business Type:
Manufacturer/Factory, Trading Company
Main Products:
Li-ion Battery, Power Bank, Lithium Battery Pack, UPS Power Supply, Electric Vehicle Battery, 18650 Battery, Polymer Battery, Rechargeable Battery, Lithium Battery
Product Description
Company Info
Basic Info.
Product Description
Battery Model | Samsung 3500mAh cell |
Nominal Capacity (AH) | 17.5Ah (max) , or customized |
Nominal Voltage (V) | 48v |
Source Resistance (mΩ) | about 40 |
Cell Specification | 3.7V 3500mAH Samsung brand |
Cell Combination | 13s5p, 65pcs |
Cell Size | 18650 cells |
Cell Quantity (parallel*series) | 65pcs |
Discharge Cutoff Voltage (V) | 30+/-1V |
Charge Cutoff Voltage (V) | 42V |
Rated Discharge Current (A) | 20A |
Instantaneous Maximum Discharge Current (A) | 40A |
Maximum Continuous Discharge Current (A) | 20A, or OEM bms 30A max. |
Maximum Continuous Charge Current (A) | 5A |
Charge Mode | CC/CV |
Standard Charge Current (A) | 2A |
Charge Time under Standard Charge Current | 9 hours |
Fast Charge Current (A) | 5A |
Charge Time under Fast Charge Current | 4 hours |
Charge Temperature Range | -20 - 60 °C |
Discharge Temperature Range | -20 - 60 °C |
Battery Size | 367*110*91mm |
Battery Net Weight | 5.0 kgs |
Battery Gross Weight | 5.5 kgs |
Other capacities 10Ah, 12Ah, 16Ah, 20Ah, 24V, 36V, 48V are available Customizes shapes, capacity, and voltage are accepted
Product Pictures
Ce MSDS Approved 48V 17.5ah Hailong Samsung Ebike Battery
2. High energy density.
3. Long cycle life, more than 500 charge/discharge cycles ( 800% capacity remained ).
4. Minimal self-discharge, less than 10% monthly.
5. Wide temperature range, operation from :-20°C~+60°C
6. Be charged & discharged at anytime because of non-memory.
7. Environmentally compatible.
8. High level of safety, vision Lithium ion batteries catch no fire and cause no explosion in breaking
experiment, with acupuncture, smash, drop, and so on.
Shipping&Payment
Packaging Details; standard export package
Delivery Time;7-15 days
Company Information
F&A
Q1. Can I have a sample order ?
A: Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.
Q2. What about the lead time?
A: Sample needs 15 days, mass production time needs 20-30 days for order quantity.
Q3. Do you have any MOQ limit for sample order?
A: MOQ, 1-10pcs for sample checking is available
Q4. How do you ship the goods and how long does it take to arrive?
A: EXPRESS,Airline and sea shipping also optional. It usually takes 3-7 days/ 20-35 days to arrive.
Q5. How to take care of this battery?
Do not connect the positive and negative terminal directly.
Do not expose the battery under high temperature condition.
Do not disassemble the battery pack without technician's guide.
Keep the battery away from water,salt,acidic.etc.
Keep the battery clean and dry.
Use the compatible charger to charge it.
Charge the battery one time at least per two months.
Q6: Do you offer guarantee for the products?
A: Yes, we offer 12 months warranty to our products.
You are always welcome to visit our factory and cooperate with us!
You are very welcome to contact us if you have any questions to :
Winna Liu
86-18219456761 / Mobile/