What is the after-sale service?

We offer half-year warranty, order tracking, safe shipping selection, and replacement of broken parts in future orders.

What is the maximum discharge current?

The maximum discharge pulse current is 10A at 3.7V.

Can I order a small quantity?

Yes, sample orders and smaller quantities are acceptable.

Hot Sell Grade a Quality Lithium Ion Battery 21700 for Battery Pack

Name: Hot Sell Grade a Quality Lithium Ion Battery 21700 for Battery Pack
Brand: Shenzhen Xinxinchen Technology Co., Ltd.
SKU: 2124842465

Guangdong, ChinaShenzhen Xinxinchen Technology Co., Ltd.

US$3.15

2-499 Pieces

US$3.05

500-2,999 Pieces

US$2.95

3,000-9,999 Pieces

US$2.85

10,000+ Pieces

Sample price:US$3.15/piece.Request sample

Product profile

Customization

Available

Type

Li-ion Battery

Cathode Material

NCM

Rechargeable

Yes

Size

21700

Model No

50g

Cycle Life

500-1000

Applications

E-Scooter, E-Bike

Discharge Current

10A

Warranty

1 Years

Voltage

3.7V

Quality

Original Grade a

Transport Package

Original Packing

Specification

INR21700-50G 5000mAh 10A

Origin

Korean

HS Code

8506500000

Production Capacity

200000 PCS/Month

Key features

Grade A Quality Cells: Original Grade A lithium ion battery cells with stable quality assurance.

High Capacity 5000mAh: Nominal capacity of 5000mAh with 3.7V nominal voltage for reliable power.

OEM Service Available: We accept OEM orders for customer's battery pack projects with custom models.

Fast Shipping Options: Door-to-door service via UPS, DHL, FEDEX, TNT with 3-6 days delivery.

Large Stock Availability: Large stock ensures fast shipping and availability for immediate orders.

12 Years Experience: Professional manufacturer and distributor with over 12 years of industry experience.

Wide Application Scope: Suitable for E-Scooters, E-Bikes, and various battery pack projects.

Competitive Pricing: High quality products offered at lower prices with favorable shipping costs.

Company profile

Shenzhen Xinxinchen Technology Co., Ltd.

Guangdong, China

Business Type: Manufacturer/FactoryAverage Response Time: ≤3.42h

AI-Powered supplier vetting

SummaryThe supplier is identified as Shenzhen Xinxinchen Technology Co., Ltd., a China-based company in Shenzhen's Bao'an District. The records describe it as both a trading company and a manufacturer/factory, with a business scope covering batteries, photovoltaic equipment, energy-storage services, and related products. It holds ISO 9001 certification and reports 6–10 R&D engineers and 6–10 quality-control staff. Customization capabilities are broad, including sample-, design-, full-, minor-, and flexible customization. However, no SDK is available and no new products were launched during the past year. Service strengths include a clear complaint-handling procedure with follow-up records, Shenzhen Port proximity, and stated lead times of within 15 workdays in both peak and off-peak periods. Financial credibility, raw-material traceability, environmental compliance, and fire-drill capability cannot be conclusively assessed from the provided records.

Supplier typeThe supplier is explicitly classified as a trading company in the business profile and is also identified as a manufacturer/factory in the company information. Its stated business scope covers battery sales, battery spare parts, photovoltaic equipment and components, energy-storage technology services, domestic trade agency, and security equipment sales.

CertificationsThe supplier reports holding ISO 9001 certification for its management systems. This is explicit evidence of certification holding, although no additional certifications are listed.

After-Sales capabilityThe supplier has a clear customer-complaint handling procedure supported by implementation records. It also reports service proximity to Shenzhen Port and lead times within 15 workdays in both peak and off-season periods; however, its corrective and preventive action mechanism has no written procedures or records.

R&D capabilityThe supplier reports 6–10 years of total experience among R&D engineers, but it has no available SDK and launched no new products during the past year. These explicit limitations prevent a positive assessment of current innovation capability.

Production capacityThe supplier is identified as a manufacturer/factory, reports annual output in the stated production range, and has 6–10 quality-control staff. It also states lead times within 15 workdays during both peak and off-season periods, supporting evidence of production and fulfillment capability.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. Its company description also states that it accepts OEM orders for customer battery-pack projects, providing direct evidence of broad customization capability.