Ecer asks for your consent to use your personal data to:
Personalised advertising and content, advertising and content measurement, audience research and services development
Store and/or access information on a device
Your personal data will be processed and information from your device (cookies, unique identifiers, and other device data) may be stored by, accessed by and shared with 135 TCF vendor(s) and 65 ad partner(s), or used specifically by this site or app.
Some vendors may process your personal data on the basis of legitimate interest, which you can object to by do not consent. Contact our platform customer service, you can also withdraw your consent.
Your message must
be between 20-3,000 characters!
Submit Requirement
Thank You！
Your requirement has been sent. we will contact you quickly!
{"title":"48V 15.6Ah Down Tube Hailong Ebike Lithium Battery with Integrated BMS and 18650","imgUrl":"https:\/\/img.chinax.com\/nimg\/05\/9c\/c92baf2a88b3f588c54e0fb0a3d1-200x200-1\/48v_15_6ah_down_tube_hailong_ebike_lithium_battery_with_integrated_bms_and_18650.jpg","attrs":{"Nominal Voltage":"48V","Battery type":"18650 Li-ion Battery Cells","Warranty":"1year","Nominal Capacity":"15.6ah"}}
{"title":"48V 20Ah Hailong Ebike Battery Pack with Grade-A 18650\/21700 Cells for Bafang","imgUrl":"https:\/\/img.chinax.com\/nimg\/14\/d3\/53c1a4bca601fa0a0041116b2f9c-200x200-1\/48v_20ah_hailong_ebike_battery_pack_with_grade_a_18650_2f21700_cells_for_bafang_motor.jpg","attrs":{"Model Number":"Hailong","Color":"Black","Minimum Order Quantity":"10","Delivery Time":"10-15 work days"}}
{"title":"Custom 48V 20Ah Hailong Ebike Battery for 1000W Motor with Customizable Options","imgUrl":"https:\/\/img.chinax.com\/nimg\/67\/28\/9e945fb1edc82d1556bf65852fa5-200x200-1\/custom_48v_20ah_hailong_ebike_battery_for_1000w_motor_with_customizable_options.jpg","attrs":{"Model Number":"Hailong Electric Battery Pack","Battery Position":"Down Tube","Minimum Order Quantity":"10","Delivery Time":"10-15 work days"}}
{"title":"48V 30Ah Hailong Ebike Battery Pack for Fat Tire Electric Bicycles with OEM\/ODM","imgUrl":"https:\/\/img.chinax.com\/nimg\/a4\/26\/67fa5e594eaeaf2ade8a5bb4fce3-200x200-1\/48v_30ah_hailong_ebike_battery_pack_for_fat_tire_electric_bicycles_with_oem_2fodm_support.jpg","attrs":{"Model Number":"Hailong","Color":"Black","Minimum Order Quantity":"10","Delivery Time":"10-15 work days"}}
{"title":"OEM Hailong 48V 20Ah Ebike Battery with 21700 Cells and 13S4P Configuration for","imgUrl":"https:\/\/img.chinax.com\/nimg\/4f\/88\/ced60d470ecf8fd16fc26fa5403f-200x200-1\/oem_hailong_48v_20ah_ebike_battery_with_21700_cells_and_13s4p_configuration_for_electric_bicycles.jpg","attrs":{"Color":"Black","Payment Terms":"T\/T,D\/P,L\/C,Western Union","Nominal Voltage":"48v","Model Number":"Hailong"}}
{"title":"High Capacity Hailong Electric Bicycle Battery 48v 25ah Suitable For Electric","imgUrl":"https:\/\/img.chinax.com\/nimg\/ea\/2a\/f535f2dacb99d4eb047b0b39ca27-200x200-1\/high_capacity_hailong_electric_bicycle_battery_48v_25ah_suitable_for_electric_bicycle.jpg","attrs":{"Product name":"Hailong Electric Battery Pack","Nominal Voltage":"48v","Nominal Capacity":"25ah","Battery type":"21700"}}
48V 15.6Ah Down Tube Hailong Ebike Lithium Battery 18650 With BMS
48V 15.6Ah 下管式海龙锂电池 18650 电池组,带 BMS(电池管理系统)
Technical Specifications
Specification
Parameter
Nominal Voltage
48V
Nominal Capacity
15.6Ah (748.8Wh)
Cell Type
18650 Lithium-ion Cell
Case Type
Down Tube Hailong Case (with safety lock and LED indicator)
Integrated BMS
30A Continuous Discharge Smart BMS
Charge / Discharge Cut-off Voltage
54.6V / 39V
Standard Charging Current
2A - 5A
Cycle Life
≥80% capacity after 800 cycles
Discharge Temperature Range
-20°C to 60°C
Warranty Period
12 Months
Key Features
High Energy Density Pack: Built with Grade-A 18650 lithium cells, offering 748.8Wh energy storage to power 250W to 1000W e-bike motors.
Integrated BMS Protection: Features an internal Battery Management System that safeguards against overcharging, over-discharging, short circuits, overcurrent, and overheating.
Hailong Downtube Design: Standard down tube ebike battery enclosure equipped with a key lock, power level indicator, and quick-release mounting bracket.
Low Self-Discharge: Engineered with low internal resistance cells, maintaining a monthly self-discharge rate below 3%.
Quality Assurance & Testing
Automated Cell Matching: 100% of cells are sorted for capacity, voltage, and internal resistance (voltage difference within 5mV) prior to pack assembly.
Full-Cycle Aging Test: Every finished battery pack undergoes a 100% charge-discharge aging test for at least 8 hours before packaging.
Vibration & Impact Testing: Tested on 3-axis vibration platforms to ensure internal spot welding and connections remain intact on rough roads.
Water-Resistance Verification: Sealed enclosures prevent water ingress during daily rain exposure.
Compatibility Guide
Applicable E-Bike Types: Designed for electric mountain bikes (e-MTB), city commuter e-bikes, cargo e-bikes, and conversion kit setups.
Motor Power Compatibility: Fully compatible with 48V 250W, 500W, 750W, and 1000W hub motors and mid-drive motor systems.
Frame Space Clearance: Requires a minimum down tube space of 360mm in length and an additional 20mm clearance for sliding the battery off the mount base.
Customization Options
Discharge Connectors: Available with XT60, XT90, Anderson, Bullet, and 4-pin/5-pin connector options.
Cell Brand Options: Selectable brand-name cells or cost-effective Tier-1 domestic cells based on project requirements.
Smart BMS Upgrades: Optional Bluetooth APP monitoring, CANbus, or UART communication protocols.
Branding & Packaging: Custom logo silk-screening, custom warning labels, and OEM carton packaging.
Manufacturing & Logistics
Manufacturing Capacity: Equipped with automated spot-welding lines, yielding a production capacity of 1,000 e-bike battery packs per day.
Regulatory Compliance: ISO9001 certified manufacturing with full compliance documents including UN38.3, MSDS, CE, and IEC62133 certifications.
Class 9 Dangerous Goods Logistics: Established DG shipping channels for sea freight DDP, air freight, and railway transport with certified dangerous goods packaging.
Frequently Asked Questions
What is the warranty period for this battery pack?
We provide a 12-month warranty. Any manufacturing defect occurring within this period is eligible for free spare parts replacement or full product exchange.
What is the Minimum Order Quantity (MOQ)?
The MOQ for standard sample testing is 1 piece. For custom requirements (specific connectors or cells), the MOQ is 10 pieces.
How do you handle safety compliance for hazardous materials shipping?
All battery packs include UN38.3 and MSDS documentation. Products are packed in UN-certified cartons with anti-static foam and shipped via certified Dangerous Goods (DG) freight forwarders.
Is this battery compatible with a 1000W motor?
Yes. The built-in 30A continuous discharge BMS supports stable power delivery for 48V motors rated up to 1000W.
Do you accept OEM/ODM orders?
Yes, we provide full OEM/ODM services, including cell selection, BMS protocol customization, cable lengths, and custom branding.
What is the typical lead time for sample and bulk orders?
Sample lead time is 3–5 working days. Bulk orders (100–500 units) take approximately 12–15 working days.
Ready to request a wholesale quote or order a test sample? Fill out the inquiry form below with your required volume, motor wattage, and connector type. Our engineering team will respond with technical specs and competitive pricing within 12 hours.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Year Established:
2009
Total Annual:
500-1000
Employee Number:
10~300
Ecer Certification：
Verified Supplier
Shenzhen Longtiger Technology Co., Ltd. was established in September 2009 and is committed to providing customers with "safe, reliable and excellent" integrated one-stop battery product services. The main business covers the research and development, production and sales of polymer lithium-ion bat...
Shenzhen Longtiger Technology Co., Ltd. was established in September 2009 and is committed to providing customers with "safe, reliable and excellent" integrated one-stop battery product services. The main business covers the research and development, production and sales of polymer lithium-ion bat...
