Samsung Inr21700-50g BMS Protected Battery 3.7V 50A 21700 Lithium Battery for Flashlight

• Customization: Available
• Type: Li-ion Battery
• Cathode Material: LFP
• Model NO.: INR21700-50G
• Rechargeable: Yes
• Size: Small
• Nominal Voltage: 3.7V
• Nominal Capacity: 5000mAh
• Brand: Samsung
• Origion: Guangdong
• Conponent: Li Ion
• Transport Package: Bulk Packing
• Specification: L)75.60mm *(D)21.60mm max.
• Trademark: EVVA or OEM
• Origin: China

Product Description

Product Description

Model NO.	INR21700-50G	Maximum continuous charge current	4A
Battery Type	21700	Maximum continuous discharge current	15A
Brand	Sumsung	Weight	75g(max)
Nominal Voltage	3.7 V	Dimension	L)75.60mm *(D)21.60mm max.
Nominal capacity	5A	Cycle Life	More Than 1000 times
Conponent	Li Ion	Specification	CE, RoHS, MSDS, etc.
OEM Service	Yes	Origin	GuangDong

Packing & Delivery

Packing details	External Packing	Sales Unit	Single Item
Package Size	33X26X14 cm	Package Gross Weight	6.000 KG

Specification

N18650CL 3.6V 2900mAh Li-ion battery
Items	Specifications
Nominal Voltage	3.7V
Nominal capacity	5000mAh
Cyclelife	More Than 1000 times
Recommended Charging Voltage	3.6V
Maximum continuous charge current	4A
Maximum continuous discharge current	15A
Discharge Cut-off Voltage	2.5A
Weight	75g(max)
Dimension	L)75.60mm *(D)21.60mm max.
Storage Temperature	-40 ℃ -60 ℃

Details Display

Certifications

Packaging & Shipping

Company Profile

FAQ

Q1: Are your battery quality approved?‌

‌A:‌ Yes, we guarantee all cells are 100% original from Lithiumwerks, Molicel, Panasonic, Samsung, LG, and Murata. Before assembling into battery packs, each cell undergoes comprehensive inspection and grouping. All finished battery packs are fully inspected before shipment46.

‌Q2: How can you prove the cells you use are 100% original?‌

‌A:‌ We can provide original packaging lists, factory inspection reports, and other relevant documents issued by these manufacturers34.

‌Q3: Are you a factory? What services do you provide?‌

‌A:‌ Yes, we operate our own factory with a team experienced in lithium batteries for over 15 years. We offer OEM and ODM services for battery packs, with quality strictly controlled under ISO 9001:2015 standards56.

‌Q4: What certifications do you hold?‌

‌A:‌We hold ISO 9001:2015 for quality management systems. Our batteries are certified with CE, RoHS, CB, UN38.3, and MSDS. For OEM battery packs, we assist clients in obtaining necessary certifications45.

‌Q5: What is your lead time if I place an order?‌

‌A:‌ For stock products, delivery is within 2 business days after payment confirmation. Custom battery packs require approximately 10–15 days for production58.

‌Q6: What payment methods do you accept?‌

‌A:‌ We accept T/T (Telegraphic Transfer), Trade Assurance, and PayPal8.

‌Q7: What is your warranty policy?‌

‌A:‌ We guarantee pre-shipment quality. From the delivery date, we offer a 30-day free refund, 4-month free replacement, and lifetime repair service. Damage due to improper use is not covered.

Why choose us?

1‌.Inquiries about our products will receive responses within 24 hours.‌

‌2.We protect your sales regions, design concepts, and all private information.‌

‌3.Provide you with state-of-the-art products at competitive prices.‌

4‌.All cells we use are 100% original A-grade from Samsung, Panasonic/Sanyo, LG Chem, Murata/Sony, Lithiumwerks, and Molicel, ensuring guaranteed quality.‌

5‌.All PCM/BMS systems are independently designed by professional electronic engineers with over 20 years of expertise in the field.‌

‌6.As a factory, we guarantee the fastest delivery of the most favorable products to you.‌

7‌.A professional sales team stands ready to address all your questions through coordination with engineers.‌

‌8.Our team has 16 years of expertise and specialized skills in lithium-ion battery pack manufacturing.‌

‌9.Advanced machinery for cell sorting, automated pack welding, heat shrink packaging, and comprehensive testing (including aging tests, voltage tests, internal resistance tests, and drop tests).‌

‌10.Certified with ISO 9001:2015, CE, UN38.3, RoHS, and UL approvals.