Lightweight 352730 3.7V 220mAh Lithium Polymer Battery Wholesale Lipo Battery with UL1642 and CE Certification
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Product Highlights
- Certified Safety Standards: Complies with UL1642 and CE certifications for safe operation.
- High Energy Density: Compact 352730 size with 220mAh capacity and 3.7V output.
- Long Cycle Life: Rechargeable up to 2000 times with low self-discharge rate.
- Lightweight Design: Weighs only 3.6g, ideal for portable electronics.
- Versatile Applications: Suitable for MP3/MP4, Bluetooth headsets, speakers, and GPS.
- Eco-Friendly Material: Mercury-free, recyclable, and leak-proof construction.
- Fast Charging Capability: Approx 2 hours charge time with 44mA standard current.
- OEM/ODM Support: Customizable charger types and styles for specific needs.
Product Attributes
- Customization
- Available
- Type
- Li-Polymer Battery, Li-ion Battery
- Cathode Material
- Contact Us
- Model NO.
- AS352730 3.7V 220mAh
- Rechargeable
- Yes
- Size
- Prismatic, Contact Us
- Charger Type
- Electric Charger
- Charger Style
- USB Charger
- Certification
- UL1642 /CE
- Recyclable
- Recyclable
- Nominal Voltage
- 3.7V
- Compatible Battery Type
- 3.7V
- Typical Capacity
- 220mAh
- Application
- Bluetooth Headset/Bluetooth Speaker
- Minimum Capacity
- 110mAh
- Max Charge Current
- 1c
- Max Discharge Current
- 1c
- Sample
- Yes
- Welcome
- OEM/ODM
- Warranty
- 12months
- Transport Package
- Carton Package
- Specification
- 3.5*27*30.5mm
- Trademark
- A&S Power
- Origin
- China
- HS Code
- 8507600090
- Production Capacity
- 50000pieces/Month
- Package Size
- 20.00cm * 15.00cm * 12.00cm
- Package Gross Weight
- 1.400kg
- Lead Time
-
31 days (1 - 3000 Pieces)
To be negotiated ( > 3000 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 Lightweight 352730 3.7V 220mAh Lithium Polymer Battery Wholesale Lipo Battery with UL1642 and CE Certification
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Product Description


Item | Rating | Note | ||
3.1 Capacity | Typical | 220mAh | Discharge:0.2CmA cut off Voltage:3.0V for cell | |
Minimum | 210mAh | |||
3.2 Nominal Voltage | Average 3.7V | Discharge:0.2CmA cut off Voltage:3.0V for cell | ||
3.3 AC Impedance Resistance | ≤360mΩ | |||
3.4 Discharge Cut-off Voltage | 3.00V | |||
3.5 Charge Current | 44mA | Standard Charge | ||
3.6 Charge Voltage | 4.2V | |||
3.7 Max. Charge Voltage | 4.23V | |||
3.8 Charge Time | Approx 2h | Charge: 1.0CmA | ||
3.9 Max. Charge Current | 220mA | 1.0CmA | ||
3.10 Max. Discharge Current | 220mA | |||
3.11 Weight | Approx 3.6g | cell | ||
3.12 Operating Temperature | Charge | 0~+45°C | ||
Discharge | -20~+60°C | |||
3.13 Storage Temperature | less than 1 month | -20~+45°C | Recommended storage temperature: 20°C,at the shipment state | |
less than 3 months | -20~+35°C | |||
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.

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 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.


Model | Nominal voltage(V) | Capacity (mAh) | Thickness (mm)(±0.2) | Width (mm)(±0.5) | Length (mm)(±1.0) | Certification |
AS102040 | 3.7 | 700 | 10 | 20 | 40 | UL1642,CE,UN38.3 |
AS102231 | 3.7 | 600 | 10 | 22 | 31 | UL1642 |
AS103035 | 3.7 | 1000 | 10 | 30 | 35 | UL1642,CE |
AS103450 | 3.7 | 2000 | 10 | 34 | 50 | UL1642,CE,UN38.3 |
AS104049 | 3.7 | 2600 | 10 | 40 | 49 | UL1642,IEC62133(CB),CE,UN38.3 |
AS104065 | 3.7 | 3200 | 10 | 40 | 65 | UL1642,IEC62133(CB),CE,BIS,UN38.3 |
AS105073 | 3.7 | 5000 | 10 | 50 | 73 | UL1642,CE |
AS126363 | 3.7 | 5400 | 12 | 63 | 63 | UL1642,UN38.3 |
AS253550 | 3.7 | 360 | 2.5 | 35 | 50 | UL1642,IEC62133(CB) |
AS301320 | 3.7 | 55 | 3.0 | 13 | 20 | UL1642 |
AS302025 | 3.7 | 100 | 3.0 | 20 | 25 | UL1642 |
AS302323 | 3.7 | 110 | 3.0 | 23 | 23 | UL1642,UN38.3 |
AS302530 | 3.7 | 180 | 3.0 | 25 | 30 | KC |
AS303080 | 3.7 | 850 | 3.0 | 30 | 80 | UL1642,IEC62133,CE,UN38.3 |
AS351120 | 3.7 | 40 | 3.5 | 11 | 20 | UL1642,CE |
AS351121 | 3.7 | 45 | 3.5 | 11 | 21 | UL1642 |
AS352025 | 3.7 | 110 | 3.5 | 20 | 25 | UL1642,CE |
AS352730 | 3.7 | 220 | 3.5 | 27 | 30 | UL1642,CE |
AS356585 | 3.7 | 2000 | 3.5 | 65 | 85 | UL1642 |
AS357090 | 3.7 | 2800 | 3.5 | 70 | 90 | UL1642,CE |
AS381018 | 3.7 | 40 | 3.8 | 10 | 18 | UL1642 |
AS391520 | 3.7 | 90 | 3.9 | 15 | 20 | UL1642 |
AS400830 | 3.7 | 60 | 4.0 | 8 | 30 | UL1642,CE |
AS401020 | 3.7 | 55 | 4.0 | 10 | 20 | UL1642,CE |
AS401030 | 3.7 | 80 | 4.0 | 10 | 30 | UL1642,CE,UN38.3 |
AS401119 | 3.7 | 50 | 4.0 | 11 | 19 | UL1642 |
AS401120 | 3.7 | 60 | 4.0 | 11 | 20 | UL1642 |
AS401230 | 3.7 | 120 | 4.0 | 12 | 30 | UL1642,IEC62133(CB),KC,UN38.3,CQC |
AS401235 | 3.7 | 130 | 4.0 | 12 | 35 | UN38.3 |
AS401245 | 3.7 | 190 | 4.0 | 12 | 45 | CE |
AS401824 | 3.7 | 100 | 4.0 | 18 | 24 | KC |
AS402525 | 3.7 | 200 | 4.0 | 25 | 25 | CE,KC,UN38.3 |
AS403040 | 3.7 | 430 | 4.0 | 30 | 40 | UL1642,CE |
AS405070 | 3.7 | 1700 | 4.0 | 50 | 70 | UL1642,CE,UN38.3 |
AS405080 | 3.7 | 1750 | 4.0 | 50 | 80 | UN38.3 |
AS406868 | 3.7 | 2200 | 4.0 | 68 | 68 | UL1642,CE |
AS423040 | 3.7 | 530 | 4.2 | 30 | 40 | UL1642,UL2054,CE,KC,UN38.3 |
AS442030 | 3.7 | 210 | 4.4 | 20 | 30 | UL1642,CE |
AS452428 | 3.7 | 250 | 4.5 | 24 | 28 | CE |
AS455060 | 3.7 | 1400 | 4.5 | 50 | 60 | UL1642,CE |
AS461730 | 3.7 | 200 | 4.6 | 17 | 30 | UL1642,CE,KC,UN38.3 |
AS481221 | 3.7 | 70 | 4.8 | 12 | 21 | UL1642,CE |
AS483450 | 3.7 | 850 | 4.8 | 34 | 50 | UL1642,CE,UN38.3 |
AS501235 | 3.7 | 160 | 5.0 | 12 | 35 | KC,UN38.3 |
AS502025 | 3.7 | 180 | 5.0 | 20 | 25 | UL1642,CE,KC |
AS502030 | 3.7 | 240 | 5.0 | 20 | 30 | UL1642,CE,KC,UN38.3 |
AS502248 | 3.7 | 500 | 5.0 | 22 | 48 | UL1642,IEC62133(CB),CE,UN38.3 |
AS503030 | 3.7 | 430 | 5.0 | 30 | 30 | UL1642,CE,KC |
AS503035 | 3.7 | 500 | 5.0 | 30 | 35 | UL1642,CE |
AS504552 | 3.7 | 1200 | 5.0 | 45 | 52 | UL1642,CE |
AS505055 | 3.8 | 1800 | 5.0 | 50 | 55 | UL1642,UL2054,IEC62133(CB),CE,UN38.3 |
AS505771 | 3.7 | 2200 | 5.0 | 57 | 71 | UL1642,CE |
AS506077 | 3.7 | 3400 | 5.0 | 60 | 77 | UL1642,IEC62133(CB),CE,UN38.3 |
AS523450 | 3.7 | 1000 | 5.2 | 35 | 50 | UL1642,CE |
AS535058 | 3.7 | 1600 | 5.3 | 50 | 58 | UL1642,CE |
AS542435 | 3.7 | 500 | 5.4 | 24 | 35 | UN38.3 |
AS552035 | 3.7 | 350 | 5.5 | 20 | 35 | UL1642,UL2054,IEC62133(CB),CE,KC,UN38.3,WERCS |
AS552540 | 3.7 | 540 | 5.5 | 25 | 40 | UL1642,CE |
AS553444 | 3.7 | 650/950 | 5.5 | 34 | 44 | UL1642,CE,KC |
AS553640 | 3.7 | 850 | 5.5 | 36 | 40 | UL1642,UL2054,IEC62133(CB),CE,KC,UN38.3,CQC |
AS553759 | 3.7 | 1350 | 5.5 | 37 | 59 | UL1642,CE |
AS562438 | 3.7 | 400 | 5.6 | 24 | 38 | UL1642,CE |
AS584070 | 3.7 | 2000 | 5.8 | 40 | 70 | UL1642,UL2054,IEC62133(CB),CE,KC,UN38.3,PSE |
AS601362 | 3.7 | 500 | 6.0 | 13 | 62 | UL1642,CE |
AS601530 | 3.7 | 250 | 6.0 | 15 | 30 | CE |
AS602025 | 3.7 | 200 | 6.0 | 20 | 25 | CE |
AS602030 | 3.7 | 300 | 6.0 | 20 | 30 | CE,KC |
AS602240 | 3.7 | 500 | 6.0 | 22 | 40 | UL1642,CE,KC |
AS602663 | 3.7 | 1000 | 6.0 | 26 | 63 | UL1642,IEC62133,CE,KC,UN38.3 |
AS603030 | 3.7 | 520 | 6.0 | 30 | 30 | UL1642,IEC62133(CB),CE,KC,UN38.3,WERCS |
AS603040 | 3.7 | 750 | 6.0 | 30 | 40 | UL1642,UL2054,IEC62133(CB),CE,KC,UN38.3,WERCS |
AS603048 | 3.7 | 900 | 6.0 | 30 | 48 | UL1642,CE,KC,UN38.3 |
AS603245 | 3.7 | 720 | 6.0 | 32 | 45 | UL1642 |
AS603450 | 3.7 | 1050 | 6.0 | 34 | 50 | UL1642,IEC62133(CB),CE,KC,UN38.3 |
AS603465 | 3.7 | 1350 | 6.0 | 34 | 65 | UL1642,CE |
AS604050 | 3.7 | 1100 | 6.0 | 40 | 50 | UL1642,IEC62133(CB),UN38.3 |
AS606060 | 3.7 | 2500/3000 | 6.0 | 60 | 60 | UL1642,CE |
AS6060115 | 3.7 | 5000 | 6.0 | 60 | 115 | UL1642,CE |
AS623441 | 3.7 | 1000 | 6.2 | 34 | 41 | CE |
AS624046 | 3.7 | 1200 | 6.2 | 40 | 46 | UL1642,IEC62133(CB),CE,UN38.3 |
AS652030 | 3.7 | 350 | 6.5 | 20 | 30 | UL1642,CE,KC,UN38.3 |
AS652631 | 3.7 | 520 | 6.5 | 26 | 31 | UL1642,CE |
AS682134 | 3.7 | 500 | 6.8 | 21 | 34 | UL1642 |
AS701729 | 3.7 | 300 | 7.0 | 17 | 29 | UL1642,BIS |
AS701416 | 3.7 | 100 | 7.0 | 14 | 16 | UL1642,CE |
AS701919 | 3.7 | 150 | 7.0 | 19 | 19 | UL1642,CE |
AS702040 | 3.7 | 500 | 7.0 | 20 | 40 | UL1642,IEC62133(CB),CE,UN38.3,WERCS |
AS703440 | 3.7 | 1000 | 7.0 | 34 | 40 | UL1642,UL2054,CE,KC,UN38.3 |
AS704060 | 3.7 | 1800 | 7.0 | 40 | 60 | UL1642,CE |
AS705088 | 3.7 | 3400 | 7.0 | 50 | 88 | UL1642 |
AS753048 | 3.7 | 1200 | 7.5 | 30 | 48 | UL1642,CE,KC |
AS755070 | 3.7 | 3000 | 7.5 | 50 | 70 | UL1642,IEC62133(CB),CE, KC |
AS802030 | 3.7 | 420 | 8.0 | 20 | 30 | UL1642,CE |
AS803035 | 3.7 | 800 | 8.0 | 30 | 35 | UL1642,UL2054,CE,KC,UN38.3 |
AS803040 | 3.7 | 900 | 8.0 | 30 | 40 | CE |
AS803648 | 3.7 | 1200 | 8.0 | 36 | 48 | UL1642,CE |
AS805052 | 3.7 | 2500 | 8.0 | 50 | 52 | UL1642 |
AS8051116 | 3.7 | 6900 | 8.0 | 51 | 116 | UL1642,CE |
AS853450 | 3.7 | 1500 | 8.5 | 34 | 50 | UL1642,IEC62133(CB),CE,KC,UN38.3 |
AS872237 | 3.7 | 750 | 8.7 | 22 | 37 | UL1642 |
AS904286 | 3.7 | 4000 | 9.0 | 42 | 86 | UL1642,CE |
AS853450-2P | 3.7 | 3000 | 17 | 35 | 53 | UL1642,UL2054,UN38.3 |

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.
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
- What certifications does this battery have?
- The battery holds UL1642 and CE certifications, ensuring safety and compliance.
- What is the typical capacity and voltage?
- It features a typical capacity of 220mAh and a nominal voltage of 3.7V.
- How many times can the battery be recharged?
- The battery supports up to 2000 charge cycles with low self-discharge.
- What are the main applications for this battery?
- It is widely used in MP3/MP4 players, Bluetooth headsets, speakers, and GPS devices.
- Is the battery safe and environmentally friendly?
- Yes, it is mercury-free, recyclable, and designed to prevent fire, explosion, or leakage.
- What is the charging time for this battery?
- It takes approximately 2 hours to fully charge with a standard 44mA current.
- Does the supplier offer OEM or ODM services?
- Yes, we support OEM and ODM services, including customization of charger types and styles.
- What is the warranty period for the battery?
- The product comes with a 12-month warranty coverage.
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