UL1642 Certified 351121 3.7V 45mAh Lipo Battery for Wearable Technology
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Product Highlights
- UL1642 & RoHS Certified: Meets UL1642, IEC62133, and RoHS safety standards for global markets.
- Customizable Dimensions: Battery dimensions can be customized to fit specific wearable device requirements.
- High Cycle Life: Provides over 500 charge cycles for long-term reliability.
- Fast Charging Capability: Supports fast charge current of 45mA (1.0C) with standard voltage of 4.2V.
- Eco-Friendly Design: Mercury-free, non-flammable, non-explosive, and fully recyclable.
- Low Self-Discharge: Maintains charge efficiency with minimal self-discharge rate over time.
- Sample Availability: Free samples available for in-stock models with buyer paying shipping cost.
Product Attributes
- Customization
- Available
- Type
- Li-Polymer Battery
- Charger Type
- Electric Charger
- Model NO.
- 351121 3.7V 45mAh
- Charger Application
- Tablet, Laptop, Video Game Player, Digital Products
- Nominal Voltage
- 3.7V
- Charger Style
- Simple Charger
- Compatible Battery Type
- Lipo Battery
- Size
- Prismatic
- Certification
- RoHS, CE
- Socket Type
- For USA/Canada
- Recyclable
- Recyclable
- Product Name
- Rechargeable 3.7V 45mAh Lithium Polymer Battery
- Capacity
- 45mAh
- Voltage
- 3.7V
- Note
- Other Sizes Are Availbale
- Dimension
- Can Be Customized
- Cycle Life
- >500 Times
- Warranty
- 12 Months
- Certificate
- UL / IEC62133 / RoHS
- Samples
- Samples for Testing Are Available
- Manufacturer
- Factory with Over 600 Workers, 100000PCS Per Day
- Transport Package
- Standard Safe Cartons
- Specification
- 3.5*11*21mm
- Trademark
- AS Power / OEM / ODM
- Origin
- Made in China
- HS Code
- 8507600090
- Production Capacity
- 100000PCS Per Day
- Package Size
- 20.00cm * 30.00cm * 40.00cm
- Package Gross Weight
- 5.000kg
- Lead Time
-
35 days (1 - 5000 Pieces)
To be negotiated ( > 5000 Pieces)
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 UL1642 Certified 351121 3.7V 45mAh Lipo Battery for Wearable Technology
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UL1642 Certified 351121 3.7V 45mAh Lipo Battery for Wearable Technology -
UL1642 Certified 351121 3.7V 45mAh Lipo Battery for Wearable Technology -
UL1642 Certified 351121 3.7V 45mAh Lipo Battery for Wearable Technology -
UL1642 Certified 351121 3.7V 45mAh Lipo Battery for Wearable Technology -
UL1642 Certified 351121 3.7V 45mAh Lipo Battery for Wearable Technology -
UL1642 Certified 351121 3.7V 45mAh Lipo Battery for Wearable Technology -
UL1642 Certified 351121 3.7V 45mAh Lipo Battery for Wearable Technology
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Product Description
Product Description
UL1642 Certified 351121 3.7V 45mAh LiPo Battery for Wearable Technology
Specification
Item | |||
Nominal Capacity | 45mAh | Discharge:0.2CmA cut off Voltage:3V for cell | |
Nominal Voltage | 3.7V | Discharge:0.2CmA cut off Voltage:3V for cell | |
Discharge Cut-off Voltage | 3.00V | ||
Charge Current | 9mA | Standard Charge | |
Charge Voltage | 4.2V | ||
Max. Charge Voltage | 4.23V | ||
Storage humidity | < 75%RH | Hyometer | |
Fast Charge current | 45mA | 1.0CmA | |
Fast Discharge Current | 45mA | 1.0CmA | |
Operating Temperature | Charge | 0~+45ºC | Can be operated at max Altitude 3000m and 8%~90% humidity. |
Discharge | -10~+50ºC | Get more than 50% discharge capacity (typical) in -15°C or +55°C. | |
Storage Temperature | less than 1 month | -10~+45ºC | Recommended storage temp: 20ºC,at the shipment state. |
less than 3 months | -10~+35ºC | ||
Our Key Advantages
High Energy Density: Maximizes power in a compact size.
Long Life Cycle: >500 cycles for enduring performance.
Enhanced Safety: Japanese dual IC protection (Anti-short circuit, over-charge, over-current, over-load).
Lightweight & Thin: Aluminum-plastic composite construction.
Easy Assembly: Pre-installed Molex/Tyco connectors.
Fully Customizable: OEM & ODM services available.
Quality Assured: Rigorously tested for reliability.
Competitively Priced: Outstanding value without compromise.
Long Life Cycle: >500 cycles for enduring performance.
Enhanced Safety: Japanese dual IC protection (Anti-short circuit, over-charge, over-current, over-load).
Lightweight & Thin: Aluminum-plastic composite construction.
Easy Assembly: Pre-installed Molex/Tyco connectors.
Fully Customizable: OEM & ODM services available.
Quality Assured: Rigorously tested for reliability.
Competitively Priced: Outstanding value without compromise.
Custom Lithium Polymer Battery Solutions
1. High energy density: up to 700Wh
2. Thin LiPo Battery
3. Custom Li-Polymer Battery 3.7/3.8/7.4/11.1V
4. Customizable Capacity of LiPo Battery
5. Customizable Shapes & Sizes of LiPo Battery
6. Custom-designed LiPo Battery Packs for Various Devices
2. Thin LiPo Battery
3. Custom Li-Polymer Battery 3.7/3.8/7.4/11.1V
4. Customizable Capacity of LiPo Battery
5. Customizable Shapes & Sizes of LiPo Battery
6. Custom-designed LiPo Battery Packs for Various Devices
The application fields are extremely extensive such as: Bluetooth headset,Bluetooth speaker,Smart wearable products,GPS,Digital products portable,DVD,Tablet,PC e-book,POS,PDA,Medical device and so on.
1. Support Customized Battery Size:
The Same Battery Capacity We Can Do Different Sizes To Meet Customer Size Limitations;
2. Support Custom Wire And Plug:
Customized Wire And Plug According To Customer's Use Scenario Requirements;
3. Support Customized Voltage:
We Support Customized Polymer Battery Packs To Meet Customers' Demand For Battery Voltage And Capacity Through Series And Parallel Batteries;
4. Support Custom PCM Circuit Board:
In Addition To The Standard Overcharge, Overdischarge, Short Circuit Protection, We Also Support Temperature Overheat Protection, Communication Functions And Other Customized Services;
We specialize in providing customized lithium battery solutions for medical devices, GPS trackers, wearables, and more. Our products are known for their reliability, safety, and precision engineering. Whether you need high-capacity or ultra-slim battery packs, our engineering team is ready to help bring your project to life.
The Same Battery Capacity We Can Do Different Sizes To Meet Customer Size Limitations;
2. Support Custom Wire And Plug:
Customized Wire And Plug According To Customer's Use Scenario Requirements;
3. Support Customized Voltage:
We Support Customized Polymer Battery Packs To Meet Customers' Demand For Battery Voltage And Capacity Through Series And Parallel Batteries;
4. Support Custom PCM Circuit Board:
In Addition To The Standard Overcharge, Overdischarge, Short Circuit Protection, We Also Support Temperature Overheat Protection, Communication Functions And Other Customized Services;
We specialize in providing customized lithium battery solutions for medical devices, GPS trackers, wearables, and more. Our products are known for their reliability, safety, and precision engineering. Whether you need high-capacity or ultra-slim battery packs, our engineering team is ready to help bring your project to life.
Certifications
Company Profile
With 15+ years of OEM & ODM experience, A&S Power is a trusted custom lithium battery manufacturer specializing in Lithium Polymer Batteries, Li-ion Battery Packs, and LiFePO4 Batteries.
Our batteries are certified to international standards, including UL, IEC 62133, CE, CB, RoHS, and UN38.3, meeting the requirements of global markets.
We provide custom battery solutions for medical devices, GPS trackers, IoT products, wearable devices, consumer electronics, industrial equipment, and energy storage systems. From battery cell selection and BMS design to connector assembly and customized battery packs, we offer one-stop OEM & ODM services.
Trusted by customers in North America, Europe, Asia, and the Middle East, A&S Power is committed to delivering high-quality products, reliable performance, fast engineering support, and stable supply.
Looking for a reliable custom lithium battery manufacturer? Contact A&S Power today for a fast quotation and professional battery solution.
FAQ
Can lithium battery packs be fully customized?
What is the difference between a lithium cell and a battery pack?
Do you support small batch or prototype orders?
Yes. Voltage, capacity, shape, BMS functions, connectors, enclosure, and labeling can all be customized.
A lithium cell is a single energy unit, while a battery pack includes multiple cells, BMS, wiring, and safety protection.
Yes. We support prototype development, pilot production, and mass manufacturing.
Can I get samples of lithium batteries before placing a bulk order?
Yes, many suppliers offer samples of lithium batteries for testing and evaluation purposes. However, there are costs associated with obtaining samples, including sample fees and freight charges.
What certifications do your battery packs support?
What information is needed to start a custom battery project?
UL, KC, UN38.3, IEC 62133, CE, RoHS, and other standards depending on application requirements.
Voltage, capacity, discharge current, size constraints, application environment, and certification requirements.
What after-sales services does A&S Power offer?
We offer one year's battery quality assurance. You can contact us at any time for replacement if there are battery problems.
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR252527". Items marked "
" are certified.
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Company Profile
Shenzhen A&S Power Technology Co., Ltd, a OEM rechargeable battery manufacturer in China over 15 years. Specialized in LiFePO4 battery, lithium polymer battery and Li-ion Battery pack. Our products are widely used in popular electronic products, such as Bluetooth Headset, Portable Speakers, consumer products, emergency light, GPS, digital player, solar & Wind energy storage, electronic auto and E-bus.
A&S Power has well presence in international fairs each year, such as CEBIT, HK Electronic Fair. We strictly implement the international management standards and have established a complete quality assurance system. So it's no wonder that our products got CE, UL, IEC62133, RoHS certification. We have succeeded in selling our batteries to the international markets of America, Canada, Europe, Africa, middle-east and South Asia. As responsibility and experienced manufacturer, A&S Power is officially recognized by Philips, Mitel. We use "People oriented, Quality first, Keeping improving" as our mission statement, which makes us improve quality, reduce cost and enhance services constantly. We pay more attention to the market change, client needs, safety & Environmental protection and take the responsibility of the society. A&S Power dedicates to creating the life stage of employees and supplying lithium batteries welcomed by customers in the world. With passion and faithfulness, we dedicated to establish win-win business and striding forward to create a bright future for your esteemed company.
About Our Factory & Business Background
- Address
- A1312, a Block, Weidonglong Business Building, No. 2 Qinglong Rd, Longhua, Shenzhen, Guangdong, China
-
Terms of Payment
- T/T, LC, D/P
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays, one month
Off Season Lead Time: within 15 workdays, one month -
Nearest Port
- Shenzhen Port, Hongkong Port
-
Supply Chain Partners
- 73
Our Production Capability & Technical Expertise
- Main Products
- Lipo Battery, Lithium Ion Battery, Lithium Battery, Lithium Polymer Battery, 18650 Battery, Rechargeable Battery, 32700 Battery, LiFePO4 Battery, Battery Pack, Solar Battery
-
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
Our Industry Experience & Global Business Record
-
Export Year
- 14 years
-
Main Markets
- North America, Europe, East Asia(Japan/ South Korea), Australia, Domestic
-
Number of Foreign Trading Staff
- 13
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
FAQ
- Where can I get the price?
- We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price, please call us or tell us in your email so that we'll regard your inquiry priority.
- How can I get a sample to check your quality?
- After price confirmation, you can require for samples to check our quality.
- What about the lead time for mass production?
- Honestly, it depends on your order quantity and the season you place the order. We suggested that you start inquiry to months before the date you would like to get the products at your country.
- What is your terms of payment?
- We accept T/T and L/C.
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