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Hailong Ebike Battery 52V 20Ah 14S4P Configuration OEM/ODM Acceptable for Mountain Bikes
Hailong Ebike Battery 52V 20Ah 14S4P Configuration OEM/ODM Acceptable for Mountain Bikes
Hailong Ebike Battery 52V 20Ah 14S4P Configuration OEM/ODM Acceptable for Mountain Bikes
Hailong Ebike Battery 52V 20Ah 14S4P Configuration OEM/ODM Acceptable for Mountain Bikes
Hailong Ebike Battery 52V 20Ah 14S4P Configuration OEM/ODM Acceptable for Mountain Bikes
Hailong Ebike Battery 52V 20Ah 14S4P Configuration OEM/ODM Acceptable for Mountain Bikes
Hailong Ebike Battery 52V 20Ah 14S4P Configuration OEM/ODM Acceptable for Mountain Bikes
Hailong Ebike Battery 52V 20Ah 14S4P Configuration OEM/ODM Acceptable for Mountain Bikes
Specifications
Model Number :
Hailong
Nominal Voltage :
52v
Price :
85-300
Battery Position :
Down Tube
Payment Terms :
T/T,D/P,L/C,Western Union
Color :
Black
Certification :
CE，UN38.3，MSDS Report
Nominal Capacity :
20ah
MOQ :
10
Delivery Time :
10-15 work days
Cycle life :
800-1000 Times
OEM/ODM :
Accepatable
Supply Ability :
3000 sets per month
Warranty :
12 months
Brand Name :
Longtiger
Product name :
Hailong Electric Battery Pack
Place of Origin :
Guangdong，China
Battery type :
21700 cells
Packaging Details :
Carton
Description
Hailong 52V 20Ah 14S 4p E-Bike Battery For Mountain Bikes OEM
Product Overview

The Hailong 52V 20Ah 14S4P lithium battery pack is engineered for high-power Electric Mountain Bikes (E-MTBs) and demanding cycling conditions. Built within a standardized Hailong downtube enclosure, it achieves an optimal balance between high energy density and off-road durability. This battery serves both as an OEM/ODM manufacturing solution for e-bike brands and as a premium replacement option for aftermarket sales.

Technical Specifications
Category Specification
Product Name 52V 20Ah 14S4P Hailong Downtube E-Bike Battery
Voltage / Capacity 52V / 20Ah (1040Wh)
Cell Configuration 14S4P (14 Series, 4 Parallel; Grade-A 18650 / 21700 cells)
Motor Compatibility 250W / 500W / 750W / 1000W / 1500W (Bafang & major mid-drive/hub motors)
BMS Continuous Discharge 30A / 40A / 50A (Overcharge, over-discharge, short-circuit & thermal protection)
Charge/Discharge Cut-off Charge: 58.8V | Discharge: 39.2V
Case & Base Plate Flame-retardant ABS+PC Hailong Case | 4-Pin / 5-Pin / Blade Base Optional
Warranty 12 Months Warranty
Key Features
  • 52V High-Voltage Platform: Delivers superior torque and motor efficiency compared to standard 48V systems, supported by a substantial 1040Wh capacity reserve.
  • 14S4P Structural Balance: Optimizes heat dissipation and space utilization with high-tensile nickel welding for exceptional off-road vibration resistance.
  • Smart BMS Protection: Real-time cell voltage and temperature monitoring prevents thermal runaway and significantly extends cycle life.
  • User-Centric Extras: Equipped with mechanical anti-theft key lock, LED power level gauge, and 5V USB output for mobile device charging.
OEM Customization Options
OEM Sector Customization Options
Cell Brands Samsung / LG / Cost-effective Grade-A Domestic Cells
BMS Rating 30A / 40A / 50A continuous discharge options (for 1000W-1500W motors)
Connectors & Cables Discharge: XT60, XT90, Anderson, Bullet | Charge: DC2.1, 3-Pin XLR, etc.
Branding Custom logo silkscreening, customized outer cartons, labels, and user manuals
B2B Procurement Information
Item Details
MOQ Sample Testing: 1 Unit | Bulk Wholesale: 10 Units
Capacity & Lead Time 1,000+ units/day | Samples: 3-7 days | Bulk Orders: 15-20 days
Quality Control (QC) 100% cell sorting + spot-weld pull testing + 1 full 0.5C aging cycle
Certifications UN38.3, MSDS, CE, RoHS, FCC, and Air/Sea Transport Certificates
Logistics Class 9 Dangerous Goods handling via Sea DDP, Air DDP, or Express with customs clearance
Product Applications
  • Electric Mountain Bikes (E-MTBs): Sustained peak current output for steep climbs, trails, and rugged terrains.
  • High-Power Commuters & Cargo E-Bikes: Ideal for 1000W+ long-distance riding and DIY conversion kits.
  • OEM Production & Brands: Designed for factory assembly runs or distributors initiating bulk orders.
  • Aftermarket Servicing: Direct drop-in replacement for existing Hailong base rail setups.
Frequently Asked Questions
Question (Q) Answer (A)
Q1: What is the warranty coverage? We offer a 12-month warranty. Defective units from non-human causes receive free replacement parts or full replacements.
Q2: How is bulk pricing determined? We offer tiered pricing rates depending on order volume and chosen cell specifications.
Q3: Is it a direct drop-in replacement? Yes. Provided your controller accepts 52V and uses a Hailong base, it functions as a direct drop-in replacement.
Q4: How are Class 9 Goods shipped? Shipped with full UN38.3/MSDS compliance via Sea/Air DDP including all customs duties and taxes.
Q5: How do I request samples or quotes? Send your specifications below; our engineering sales team will respond with a full quote within 12 hours.
Request a Direct Factory Quote

Planning a bulk order for production or seeking verified replacement inventory? We provide direct factory pricing and complete technical datasheets.

Click "Get a Quote" or submit your required specifications below to receive a custom pricing matrix within 12 hours!

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Hailong Ebike Battery 52V 20Ah 14S4P Configuration OEM/ODM Acceptable for Mountain Bikes

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Product Detail
Model Number :
Hailong
Nominal Voltage :
52v
Price :
85-300
Battery Position :
Down Tube
Payment Terms :
T/T,D/P,L/C,Western Union
Color :
Black
Contact Supplier
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Hailong Ebike Battery 52V 20Ah 14S4P Configuration OEM/ODM Acceptable for Mountain Bikes
Hailong Ebike Battery 52V 20Ah 14S4P Configuration OEM/ODM Acceptable for Mountain Bikes
Hailong Ebike Battery 52V 20Ah 14S4P Configuration OEM/ODM Acceptable for Mountain Bikes
Hailong Ebike Battery 52V 20Ah 14S4P Configuration OEM/ODM Acceptable for Mountain Bikes

ShenZhen Longtiger Technology Co., Ltd.

Verified Supplier
2 Years
shenzhen
Since 2009
Business Type :
Manufacturer, Exporter
Main Products :
Hailong Ebike Battery, Silverfish Ebike Battery, Electric Scooter Battery
Total Annual :
500-1000
Employee Number :
10~300
Certification Level :
Verified Supplier
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