ShenZhen Longtiger Technology Co., Ltd.
| Nominal Voltage | 52v |
| Battery Position | Down Tube |
| Payment Terms | T/T,D/P,L/C,Western Union |
| Color | Black |
| Nominal Capacity | 20ah |
| Delivery Time | 10-15 work days |
| Cycle life | 800-1000 Times |
| OEM/ODM | Accepatable |
| Supply Ability | 3000 sets per month |
| Warranty | 12 months |
| Product name | Hailong Electric Battery Pack |
| Battery type | 21700 cells |
| Packaging Details | Carton |
| Model Number | Hailong |
| Certification | CE，UN38.3，MSDS Report |
| Brand Name | Longtiger |
| Place of Origin | Guangdong，China |
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Product Specification
| Nominal Voltage | 52v | Battery Position | Down Tube |
| Payment Terms | T/T,D/P,L/C,Western Union | Color | Black |
| Nominal Capacity | 20ah | Delivery Time | 10-15 work days |
| Cycle life | 800-1000 Times | OEM/ODM | Accepatable |
| Supply Ability | 3000 sets per month | Warranty | 12 months |
| Product name | Hailong Electric Battery Pack | Battery type | 21700 cells |
| Packaging Details | Carton | Model Number | Hailong |
| Certification | CE，UN38.3，MSDS Report | Brand Name | Longtiger |
| Place of Origin | Guangdong，China | ||
| High Light | 52V 20Ah Hailong Ebike Battery ，14S4P Configuration E-Bike Battery ，OEM/ODM Acceptable Lithium Battery Pack | ||
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.
| 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 |
| 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 |
| 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 |
| 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. |
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!
Get a QuoteCompany Details
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...
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