How to maintain the battery?

The battery should be stored in a clean, dry, ventilated, dark environment when not using. Keep it after full charge, recharge it every 3 months or 6 months.

What about after-sale service?

We will offer you 1 year guarantee. If there are any problems, please inform us, we will offer you positive solutions. Besides, we also have office and warehouse in US/Germany, can give you better after-sale service.

Can you provide OEM and ODM service?

Yes, We are a professional Electric Bike Battery manufacture with factory, which produce all kind of high quality Ebike lithium batteries as customers' requirements and designs, welcome to place OEM and ODM orders and visit our factory.

What is the difference between Li-ion, Ni-MH, and Lead acid batteries?

Ebike Li-ion battery have longer cycle life, normal cycle life is 600-800 times, and also with light weight, small size, No memory effect, Nontoxic, environmental.

Long Cycle Life 72V 40ah Lithium Ion Battery

Name: Long Cycle Life 72V 40ah Lithium Ion Battery
Brand: Nantong Ningyuan Automation Technology Co., Ltd.
SKU: 2299938445

Jiangsu, ChinaNantong Ningyuan Automation Technology Co., Ltd.

US$250.00-300.00

10 Pieces

Product profile

Customization

Available

Type

Lithium-Ion Battery Pack

Connection Mode

Series and Parallel

Model NO.

7240

Rechargeable

Chargeable

Discharge Rate

Size

370*280*160mm

Accessories Type

Battery

Rated Capacity

40ah

Standard Voltage

76.8V

Usage

Electric Motorcycle

Electrolyte

Li-ion

Cycle Life

2000times

Capacity

40h

Charge Current

≤30A

BMS

Smart BMS with RS485 Can

Case

Iron Case/ Customized

Discharge Port

50A Anderson

Discharge Current

Max 80A

Weight

28kgs

Transport Package

Carton with Foam

Specification

1pcs one carton

Trademark

Origin

Jiangsu

HS Code

8507600090

Production Capacity

1000PCS/Months

Key features

High Energy Density: Provides longer battery life and increased product durability.

High Power Output: Delivers larger output current to meet high usage needs.

Smart BMS Protection: Includes SEIKO IC BMS to prevent short circuit, overcharge, and overcurrent.

Long Cycle Life: Expected to last 800-1200 recharge cycles, approximately 2-3 years.

Customizable Case: Case material can be customized to Iron Case or other options.

Fast Delivery: Electric bike batteries sent out within 5 days after order confirmation.

Comprehensive Warranty: 1-year guarantee covering capacity drop below 80% of initial capacity.

OEM/ODM Services: Professional manufacturing with full customization and design support.

Company profile

Years of Export Experience100% Finished Products InspectionProduction Process VisualizationManagement Certification

Nantong Ningyuan Automation Technology Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 13 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤2.49h

AI-Powered supplier vetting

SummaryNantong Ningyuan Automation Technology Co., Ltd. is an innovation enterprise specializing in the R&D and application of Li-ion batteries. The company offers a wide range of customization services and has a significant export focus, with 90% of sales from exports. Despite a strong R&D background and advanced design tools, the company lacks overseas infrastructure, such as warehouses and showrooms. Financially, the company appears stable with financial data updated annually. While it provides effective quality control and has procedures for handling complaints, the company does not participate in offline trade shows or have overseas agents.

Supplier typeNantong Ningyuan Automation Technology Co., Ltd. is an innovation enterprise focused on R&D of Li-ion batteries.

After-Sales capabilityThe supplier has clear procedures for corrective actions and effective complaint handling.

Financial creditFinancial data is updated annually, indicating a stable financial tracking system.

R&D capabilityThe company has strong innovation capabilities with new products introduced in the past year and uses advanced design software.

Production capacityThe supplier operates one production line with a significant annual output and maintains consistent lead times.

Customization capabilityOffers extensive customization options including full and minor customization capabilities.

Product Q&A

Q:Are you a factory?

Yes, our factory is in Jiangsu, China. Specializing in rechargeable batteries, lithium ion batteries, lithium batteries, power batteries, and chargers for more than 10 years.

Q:Do your e-bike batteries come with a charger?

All of our e-bike batteries come with a charger. We have normal chargers and fast chargers. If you need a fast charger, please contact us.

Q:Do your electric bike batteries come with a BMS?

Yes, our batteries all come with SEIKO IC BMS, with stable performance. It can protect the battery from short circuit, overcharge, overdischarge, and overcurrent.

Q:What is your delivery date?

Electric Bike Battery will be sent out within 5 days after confirmed order. Shipping will cost 3-15 days, it depends on quantity and which battery you need.

Q:How long is the battery expected to last?

The battery should have around 800-1200 recharge cycles, about 2-3 years. Its capacity diminishes over time; when it goes down to 75%, you should replace it. The more you use the bike, the better the battery retains its capacity.