Powered by Made-in-China.com
A Grade Rechargeable Lithium Ion Sam Sung 21700 5000mAh 45A 50s 21700 Battery
US$3.15
2-4,999 Pieces
US$3.05
5,000-99,999 Pieces
US$2.98
100,000-299,999 Pieces
US$2.45
300,000+ Pieces
Sample price:US$4.18/piece.Request sample
Product profile
Customization
AvailableType
Li-ion BatteryCathode Material
InrModel NO.
50SRechargeable
YesSize
21700Model No
50sCycle Life
500-1000Applications
E-Scooter, E-BikeDischarge Current
40AWarranty
1 YearsVoltage
3.7VQuality
Original Grade aCertifications
CE/RoHS/Bis/SGSTransport Package
Original PackingSpecification
INR 21700 5000mah 25A/40ATrademark
SamsungOrigin
KoreanHS Code
8506500000Production Capacity
200000 PCS/MonthKey features
Original Grade A Quality: Provides genuine Samsung 21700 cells with Grade A quality assurance.
High Capacity & Discharge: Features 5000mAh capacity and 45A discharge current for high performance.
Versatile Applications: Ideal for E-Scooters and E-Bikes with reliable power delivery.
Multiple Certifications: Certified with CE, RoHS, BIS, and SGS standards for safety and compliance.
OEM Service Available: Accepts OEM orders for custom battery pack projects.
Large Stock Availability: Maintains large inventory for fast shipping and immediate delivery.
Global Shipping Options: Offers Door-to-Door via UPS/DHL/FEDEX/TNT or Air/Vessel shipping.
Experienced Manufacturer: Over 12 years of experience in lithium battery cell manufacturing and distribution.
Company profile

Business Type: Manufacturer/FactoryAverage Response Time: ≤5.34h
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.
Product Q&A
Q:What's the after-sale service of us?
A:
1.Half a year warranty 2.Track the order until you get the goods 3.Choose the cheapest and safest shipping company 4.We will replace the broken parts with new parts in your next order
Q:How to order?
A:
1.Please let us know what kind of model,color,battery capacity you need 2.We will make a P/I ( Proforma Invoice ) for you 3.Pay the money or deposit to us after you confirm the P/I 4.Goods will be delivered after we receive your balance 5.You will get the goods about 3-6 days later
Q:Why choose us
A:
1:Shenzhen Xinxin Technology Co.,Ltd could offer various styles rechargeable batteries/chargers with different types 2:Large stock for fast shipping. 3:High quality with lower price 4:Sample order & samller quantity is ok 5:100% real photo 6.Reliable quality assured.
Send Inquiry
*To:
Shenzhen Xinxinchen Technology Co., Ltd.
Shenzhen Xinxinchen Technology Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
3.6V 3.7V 21700 Battery Cells 3000mAh 4000mAh 5000mAh 6000mAh Lithium Ion Batteries
US$1.54-3.00
2 Pieces(MOQ)
Hot Sell Grade a Quality Lithium Ion Battery 21700 for Battery Pack
US$2.85-3.15
2 Pieces(MOQ)
Authentic 5000mAh Rechargeable Lithium Ion Batteries Battery E-Bike Scooter Power Tools
US$310.00-370.00
1 pcs(MOQ)
OEM 21700 Lithium Ion Battery 3.6V 3.7V 4000mAh 5000mAh Batteries
US$2.55-3.00
2 Pieces(MOQ)
Grade a EV-E 58e Lithium Ion Battery Cell 21700 3.7V 3c 5800mAh Li Ion 21700 Battery Pack
US$2.15-2.43
130 Pieces(MOQ)
3.6V 3000mAh 4000mAh 5000mAh 6000mAh Rechargeable Lithium Ion Cell 21700 Battery
US$0.85-2.10
2 Pieces(MOQ)
Molicel Inr21700 P50b 5000mAh 60A Rechargeable Lithium Ion Battery for Drone Power Tools
US$4.25-6.15
130 Pieces(MOQ)
50s 21700 5000mAh 3.6V 21700 Max 45A Inr21700 50s High Capacity Lithium Ion Battery for Flashlight
US$2.31-2.54
130 Pieces(MOQ)
Wholesales A Grade Cell 12V 900ah Rechargeable LiFePO4 Lithium Ion Battery
US$359.00-2,900.00
300 Pieces(MOQ)



















