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OEM 48V 20Ah Hailong Lithium Ebike Battery Pack｜21700 5000mah cells｜For mountain

China OEM 48V 20Ah Hailong Lithium Ebike Battery Pack｜21700 5000mah cells｜For mountain

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OEM 48V 20Ah Hailong Lithium Ebike Battery Pack｜21700 5000mah cells｜For mountain

MOQ： 10
Price： 85-300
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Nominal Capacity	20Ah
Cut-off Voltage	Charge: 54.6V ± 0.2V \| Discharge: 39.0V ± 0.5V
Cycle Life	≥800 Cycles (80% DOD)
Cell Type	21700 5000mAh Lithium-ion Cells (13S4P)
Payment Terms	T/T,D/P,L/C,Western Union
Supply Ability	3000 sets per month
Delivery Time	10-15 work days
Packaging Details	Carton
Nominal Voltage	48V
Discharge Current	Continuous 30A/40A \| Peak 90A (≤3s)
Brand Name	Longtiger
Model Number	Hailong
Certification	CE，UN38.3，MSDS Report
Place of Origin	Guangdong，China

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Product Specification


Nominal Capacity	20Ah	Cut-off Voltage	Charge: 54.6V ± 0.2V \| Discharge: 39.0V ± 0.5V
Cycle Life	≥800 Cycles (80% DOD)	Cell Type	21700 5000mAh Lithium-ion Cells (13S4P)
Payment Terms	T/T,D/P,L/C,Western Union	Supply Ability	3000 sets per month
Delivery Time	10-15 work days	Packaging Details	Carton
Nominal Voltage	48V	Discharge Current	Continuous 30A/40A \| Peak 90A (≤3s)
Brand Name	Longtiger	Model Number	Hailong
Certification	CE，UN38.3，MSDS Report	Place of Origin	Guangdong，China
High Light	Rechargeable Lithium Battery Pack ，36v Hailong Lithium Battery Pack ，Rechargeable Hailong Ebike Battery

OEM 48V 20Ah 海龙锂电池组｜21700 5000mAh 电芯｜适用于山地自行车

主要特性和电动自行车动力解决方案

这款48V 20Ah 海龙锂电池组专为电动山地自行车 (e-MTB) 和大功率电动自行车设计,采用 13S4P 结构,配备高密度21700 5000mAh 锂离子电芯,在紧凑的下管外壳中提供 960Wh 的容量.

高持续放电:支持 30A–40A 持续输出,完美驱动 250W–1000W 中置电机和轮毂电机,同时防止陡坡爬升时电压下降.
耐用的下管结构:采用抗冲击工程塑料,加固金属支架和镀金连接器制成,即使在崎岖的越野路面振动下也能稳定供电.
硬件级智能电池管理系统 (BMS ):具备多重保护功能,可防止过充,过放,短路和过热风险(NTC).采用 99.9% 纯镍条制造,内阻≤15mΩ.
防盗锁和电池电量指示器:配备机械钥匙锁,LED 电源指示灯和独立的 DC2.1/XLR 充电端口.

标称电压/电容	48V (13S) / 20Ah (960Wh)
细胞类型	优质 21700 5000mAh 锂离子电池 (13S4P)
案例风格	海龙枪盒(车架下管安装)
放电电流	持续电流 30A/40A \| 峰值电流 90A (≤3s)
截止电压	充电电压:54.6V ± 0.2V \| 放电电压:39.0V ± 0.5V
端口和连接器	充电:DC2.1/XLR \| 放电:XT60/XT90/4针
循环寿命及认证	≥800次循环(80% DOD)\| UN38.3,MSDS,CE,IEC62133

制造能力与质量保证

作为专业的锂电池组制造商,我们确保完整的B2B供应链可靠性:

100% 自动化电池分拣:所有 21700 电池在组装前均经过分拣和匹配,以确保容量,电压和内阻(IR 差异≤1mΩ).
精密焊接和绝缘:采用纯镍带,阻燃电池支架和绝缘纸进行自动化数控点焊,以实现最大程度的减震.
满功率老化测试:每套完成的海龙电池组在发货前都会经过 100% 的充放电老化测试和外壳密封检查.

OEM/ODM 定制及订购要求

我们为全球B2B买家提供灵活的定制电池组生产服务.请提供以下信息:

电机和控制器规格:连续/峰值功率(250W–1000W)和最大电流限制.
电芯和电池管理系统选项:A级电芯选择和标准硬件电池管理系统或智能电池管理系统(UART/CANBUS协议).
连接器和包装:可定制的放电插头(XT60/XT90),线规,定制品牌和UN38.3认证的危险品包装.

常见问题解答

Q1:这款48V 20Ah海龙电池是否兼容电动山地自行车?

答:是的.它适用于车架上标准下管安装轨道,车架需有足够的三角形空间(长度约为 365 毫米)和水壶架安装孔.

Q2:使用 21700 个细胞比使用 18650 个细胞有什么好处?

答:21700 5000mAh 电芯具有更高的能量密度,仅需 52 节电芯(13S4P)即可达到 20Ah 的容量.这减少了内部焊接点,降低了故障率,并改善了散热性能.

Q3:你们是否提供完整的危险品(DG)运输文件?

答:是的.所有包装均包含符合UN3480空运和海运要求的UN38.3文件,MSDS(材料安全数据表)和跌落测试报告.

Q4:批发订单的最小起订量和交货期是多少?

答:样品最小起订量为 1 件(5-7 个工作日)；批量 OEM 最小起订量为 10 件(15-20 个工作日).

Q5:智能BMS是否具有过热保护和电芯均衡功能?

答:是的.双NTC传感器会在温度超过限值时触发热保护,而被动均衡功能则会在充电过程中保持电池电压均匀.

Company Details

Bronze Gleitlager

Bronze Sleeve Bushings

and

Graphite Plugged Bushings

from Quality China Factory

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Business Type:

Manufacturer,Exporter 
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Year Established:

2009 
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Total Annual:

500-1000


Employee Number:

10~300 
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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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ShenZhen Longtiger Technology Co., Ltd.
Room 405, No. 1, Shanghenglang Fourth Industrial Zone, Henglang Community, Dalang Street, Longhua District, Shenzhen
https://www.longtigerbattery.com/

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