Premium Inr21700 P42A - High-Density 21700 Li-ion Cell with Overcharge Protection
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Product Highlights
- High Energy Density: 4200mAh capacity in a compact 21700 size for demanding devices.
- Long Shelf Life: Low self-discharge rate ensures power remains ready for long periods.
- Wide Application: Ideal for IoT, medical equipment, smoke alarms, and tactical gear.
- Safety Certified: Passed UL, CB, CE, KC certifications for reliable performance.
- Customizable OEM/ODM: Supports full customization from samples, designs, or minor adjustments.
- Low Self-Discharge: Maintains charge longer for immediate readiness when needed.
- Leak-Proof Design: Secure and clean power solution preventing damage to devices.
- Temperature Tolerance: Performs reliably in various environmental conditions.
Product Attributes
- Customization
- Available
- Type
- Lithium Metal Battery
- Cathode Material
- Socl2
- Model NO.
- INR21700 P42A
- Rechargeable
- No
- Size
- Small
- Nominal Capacity
- 4200mAh
- Nominal Voltage
- 3.7V
- Weight
- 24G
- Characteristics
- Low Self-Discharge, Long Service Life
- Warranty
- 2 Years
- Certification
- CE;Bis;CB;Kc;UL;etc.
- Transport Package
- Paper Box
- Specification
- 17.5mm*17.5mm*45.5mm
- Trademark
- RICHLIGHT
- Origin
- China
- HS Code
- 8506500000
- Production Capacity
- 100000/Year
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Premium Inr21700 P42A - High-Density 21700 Li-ion Cell with Overcharge Protection
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Premium Inr21700 P42A - High-Density 21700 Li-ion Cell with Overcharge Protection -
Premium Inr21700 P42A - High-Density 21700 Li-ion Cell with Overcharge Protection -
Premium Inr21700 P42A - High-Density 21700 Li-ion Cell with Overcharge Protection -
Premium Inr21700 P42A - High-Density 21700 Li-ion Cell with Overcharge Protection -
Premium Inr21700 P42A - High-Density 21700 Li-ion Cell with Overcharge Protection -
Premium Inr21700 P42A - High-Density 21700 Li-ion Cell with Overcharge Protection -
Premium Inr21700 P42A - High-Density 21700 Li-ion Cell with Overcharge Protection
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Product Description
3.7V Lithium Battery Applied in IoT: Perfect for medical equipment, torches, smoke alarms, and water meters. Reliable power source for precise measurements. Battery and gas meters, ensuring accurate and uninterrupted performance. It is ideal for photo flashlights with consistent output.
- 21700(21700battery) - A robust energy solution.
- 3.7V (3.7V lithium battery) - Essential for modern devices.
- (Non-rechargeable battery) - Dependable, maintenance-free power.
- (Photographic flash battery) - Reliable for capturing moments.
- LED LED flashlight battery) - Bright, enduring illumination.
- (High energy density) - Compact power for demanding devices.
- (Long shelf life) - Power that lasts when you need it.
- (Low self-discharge rate) - Maintains charge longer for readiness.
- (Temperature tolerance) - Performs reliably in various conditions.
- (Environmentally friendly materials) - Safe for the planet.
- (Leak-proof design) - Secure and clean power solution.
- (Consumer electronics) - Powering everyday technology.
- (Safety performance) - Ensures peace of mind during use.
- (Device backup battery) - Ready for emergencies, keeping devices operational.
- (Backup power) - Reliable reserve energy when primary sources fail.
- (Device battery life) - Extends the usability of your gadgets.
- (High-performance battery) - Optimized for demanding tasks.
- (Automotive electronics) - Reliable power for your vehicle's systems.
- (Tactical applications) - Dependable in critical situations.
- (Waterproof design) - Protection against the elements.
| Brand | RICHLIGHT |
| Battery Type | Lithium Battery 21700 4200mAh 3.6v Li/SOCl2 Battery Lithium Battery |
| Model | 21700 RICHLIGHT |
| Capacity | 4200mAh |
| Voltage | 3.7V |
| Size | 17.5mm*17.5mm*45.5mm |
Shenzhen RlCHLlGHT Technology Co., Ltd. was founded in 2008 and is a leading ODM/OEM manufacturer. lt is a diversified high-tech enterprise specializing in the research, development, manufacturing, and sales of lithium battery products. The product categories include primary lithium batteries, rechargeable lithium batteries, and lithium battery pack, The company has established collaboration with numerous well-known battery brands, such as BYD, Gree, Hisense, Desay. At the same time, the company has passed many quality system certifications, such as UL, CB, CE, GB31241, PSE, KC, etc. The company's manufacturing factory covers an area of over 30000 square meters and has over 3000 employees. The company focuses on quality and innovation, striving for excellence to contribute to the world's new energy development.
The whole company maintains a common working concept: to provide customers with the best products and provide the best product solutions with high efficiency. We firmly believe that we will be the industry ceiling in the field of new energy. At present, we have already received high praise from customers in the UK, Italy, the US, India and other countries around the world. According to the current development momentum of RICHLIGHT, we have reason to believe that in the next ten years RICHLIGHT will become one of the most influential new energy companies in the world. We firmly believe that it is the best choice for our customers to co-operate with us.
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASI2421243". Items marked "
" are certified.
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Company Profile
About Our Company
Established in 2008, our company has grown to become a leading manufacturer in the lithium battery industry, specializing in high-performance Li/MnO2 (Lithium Manganese Dioxide) and Li/SOCl2 (Lithium Thionyl Chloride) batteries. With over 16 years of experience, we have built a reputation for innovation, quality, and reliability in the global energy storage market.
Our Core Products
1. Li/MnO2 (Lithium Manganese Dioxide) Batteries
Our Li/MnO2 batteries are known for their:
High energy density
Excellent temperature performance
Long shelf life
Stable discharge voltage
These batteries are widely used in smart meters, security devices, medical equipment, and various IoT applications.
2. Li/SOCl2 (Lithium Thionyl Chloride) Batteries
Our Li/SOCl2 batteries offer:
Exceptionally high energy density
Superior performance in extreme temperatures
Very low self-discharge rate
Long operational life
These batteries are ideal for applications requiring long-term power in challenging environments, such as oil and gas exploration, oceanographic research, and military equipment.
3. Lithium Button Cells
We produce a range of lithium button cells, perfect for small electronic devices like watches, calculators, and medical devices.
4. Specialized Batteries for Drones and E-cigarettes
Our custom battery solutions cater to the unique power requirements of drones and e-cigarettes, balancing performance, size, and safety.
Research and Development
Our state-of-the-art R&D center, staffed by a team of 20 experienced engineers and scientists, focuses on:
Improving energy density and cycle life
Enhancing safety features
Developing new electrolyte formulations
Exploring next-generation battery technologies
Manufacturing Capabilities
Million Li/MnO2 cells
Million Li/SOCl2 cells
Million button cells
Quality Assurance
We are committed to the highest quality standards:
ISO 9001: 2015 certified quality management system
UL, CE, and RoHS certifications for our products
Rigorous testing at every stage of production
Global Presence
North America
Europe
Asia-Pacific
Middle East
We have established strategic partnerships with leading technology companies and research institutions worldwide.
Corporate Social Responsibility
We are committed to sustainable development and environmental protection:
Implementation of energy-efficient manufacturing processes
Recycling program for used batteries
Support for local educational initiatives in STEM fields
Future Outlook
As the demand for high-performance batteries continues to grow, we are poised for significant expansion:
Developing new battery chemistries for emerging markets
Expanding our presence in the electric vehicle and renewable energy storage sectors
Investing in AI and IoT integration for smart battery management systems
We envision a future where our advanced lithium batteries play a crucial role in powering the world's transition to clean, efficient energy solutions.
Partner With Us
We invite businesses worldwide to explore partnership opportunities. Whether you need standard battery solutions or custom-designed power sources, our team is ready to collaborate and innovate to meet your specific requirements.
Join us in shaping the future of energy storage technology.
About Our Factory & Business Background
-
Business Type
- Trading Company
- Address
- 501-503, Building D Minle Industrial Zone, Minle Community, Minzhi Street, Longhua District, Shenzhen, Guangdong, China
-
Plant Area
- 100 square meters
-
Number of Employees
- 9
-
Registered Capital
- 10,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Shenzhen Port/Hongkong Port
-
Minimum Order Quantity
- 1 Pc
-
Supply Chain Partners
- 30
Our Production Capability & Technical Expertise
-
Main Products
- Lithium Battery, Lithium Battery Packs, Primary 3V Li Mno2 Battery, Li/SOCl2 Battery, Li/MonO2 Shaped Cell, Primary Battery Cell, High Temp Li/SOCL2 Cell, Power Type Li/SOCL2 Cell, l Chlorid
-
QA/QC inspectors
- 1 people
-
Inspection Type for Finished Products
- Random inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instruction but no written records
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 2 people
-
Traceability of Raw Materials
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2016-09-18
-
Export Year
- 8 Years
-
Main Markets
- North America, Europe, India
-
Repeat Buyers Choice
- 50%~80%
-
Number of Foreign Trading Staff
- 6
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- No
FAQ
- Is this battery rechargeable?
- No, this is a non-rechargeable primary lithium battery (Li/SOCl2).
- What is the nominal capacity and voltage?
- The nominal capacity is 4200mAh and the nominal voltage is 3.7V.
- What certifications does the product have?
- It has passed UL, CB, CE, Bis, Kc, and other quality certifications.
- What is the warranty period?
- The product comes with a 2-year warranty.
- What is the minimum order quantity?
- The minimum order quantity is 1 piece.
- Can I get custom designs or OEM services?
- Yes, we offer OEM/ODM services including full customization from samples or designs.
- What are the typical applications for this battery?
- It is suitable for IoT devices, medical equipment, smoke alarms, water meters, and tactical applications.
- What is the lead time for orders?
- The average lead time is within 15 workdays for both peak and off-season.
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