Talking Pen Rechargeable Batteries 3.7V 500mAh 702040 Lithium Ion Polymer Battery
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Product Highlights
- Long Cycle Life: Rechargeable up to more than 500 times with stable performance.
- Fast Charging Capability: Can charge to 90% capacity within 10 minutes with quick charge support.
- Customizable Thickness: Thickness can be adjusted while maintaining fixed width and height dimensions.
- One-Year Warranty: Free replacement for quality issues not caused by improper use or man-made damage.
- High Energy Density: Compact 702040 size with 500mAh capacity and high-end quality level.
- Safety Features: No fire, no explosion, no leakage, and mercury-free design.
- OEM/ODM Service: Full customization and flexible customization options available for buyers.
Product Attributes
- Customization
- Available
- Type
- Lithium-Polymer Battery
- Rechargeable
- Chargeable
- Model NO.
- AS702040
- Weight
- 12g
- OEM/ODM
- Welcome
- Manufacturer
- Yes, with 600 Workers
- Certificates
- UL/CB/Kc/Un38.3
- Warranty
- 12 Months
- Cycle Life
- More Than 500 Times
- Application
- Bluetooth / MP3 / MP4 / GPS / Wireless Devices
- Quality Level
- High-End
- Production Ability
- 100000PCS Per Day
- Environmental Friendly
- Yes
- Sample
- Available
- Usage
- Car, Bus, UPS, Electric Power
- Discharge Rate
- Low Discharge Rate
- Nominal Voltage
- 3.7V
- Electrolyte
- Lithium Polymer Battery
- Transport Package
- Customized, Safety Packaging
- Specification
- 7X20X40MM for cells
- Trademark
- A&S POWER
- Origin
- China
- HS Code
- 8507802000
- Production Capacity
- 8000PCS/Day
Product Images of Talking Pen Rechargeable Batteries 3.7V 500mAh 702040 Lithium Ion Polymer Battery
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Product Description
Talking Pen rechargeable batteries 3.7v 500mah 702040 lithium ion polymer battery
Specification of 702040 3.7v 500mah lipo battery :
| Item | Rating | Note | |
| Nominal Capacity | 500mAh |
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 | 100mA | Standard Charge | |
| Charge Voltage | 4.2V | ||
| Max. Charge Voltage | 4.23V | ||
| Storage humidity | < 75%RH | Hyometer | |
| Fast Charge current | 500mA | 1.0CmA | |
| Fast Discharge Current | 500mA | 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 | ||
Product Picture:




Main features:
1) Environmental friendly
2) High density of energy
3) Light weight
4) Low self-discharge
5) Low internal resistance
6) Long cycle life, chargeable up to 500 times
7) No memory effect
8) Doesn't contain Mercury, No fire, No explosion, No leakage
9) Very good and quick charge, capability can be charged to 90% within 10 min.
10) Thickness can be adjusted while width and height keep the same.
Application:
1)MP3/MP4 player, Bluetooth, speakers, car GPS and all possible electronics products
2)Widely applied in Telecommunications, Audio and Video Devices, Information Devices...Etc.
Our service:
Low Risk Promise
1. For lithium polymer battery, we can provide 5pcs( capacity < 500mAh) of free samples and buyers pay for the shipping cost. If items in stock, we can send out sample within 5 days.
2. For order over 2000pcs, Buyer gets a cash coupon of 50 USD for next order
3. For order over 10000pcs, Buyer gets a cash coupon of 100 USD for next order
Our cooperative policy
1. Making the sample until you are satisfied with it.
2. Offering professional one-on-one service and replying your E-mail within 12 hours
3. Inspection before shipment.
4. Priority to get the our latest product information after our cooperation
One-Year-Warranty
We want you to be fully satisfied with every item that you purchase from A&S Power.
Furthermore, we also provide one-year warranty for batteries.
And if any quality problems, not caused by improper use or man-made, A&S Power will replace it one by one.
"Market and Technical support email within 24 hours"
Package&shipping

| Shipping methods | |||
| Destination | Normally arrive at port time in working days | ||
| Ship by express | Ship by sea | Ship by air | |
| North America | 3-7 days | 15-28 days | 5-7 days |
| South America | 3-7 days | 15-30 days | 5-7 days |
| European | 3-7 days | 20-30 days | 5-7 days |
| Africa | 5-7 days | 45-50 days | 5-7 days |
| The Middle East | 3-5 days | 15-30 days | 3-5 days |
| Australia | 3-7 days | 10-20 days | 5-7 days |
Other KC/UL approved lithium polymer battery model as below:
(some models with CB/UEC62133/UN38.3)
| Model | Cell Dimension | With PCM Dimension | Capacity |
| 302025 | 3.0*20*25mm | 3.2*21*27.5mm | 3.7V 100mAh |
| 302530 | 3.0*25*30mm | 3.2*26*32.5mm | 3.7V 180mAh |
| 401824 | 4.0*18*24mm | 4.2*19*26.5mm | 3.7V 180mAh |
| 402525 | 4.0*25*25mm | 4.2*26*27.5mm | 3.7V 200mAh |
| 483450 |
4.8*34*50mm |
5.0*35*52.5mm | 3.7V 850mAh |
| 502030 | 5.0*20*30mm | 5.2*21*32.5mm | 3.7V 240mAh |
| 502525 | 5.0*25*25mm | 5.2*26*27.5mm | 3.7V 180mAh |
| 503030 | 5.0*30*30mm | 5.2*31*32.5mm | 3.7V 430mAh |
| 523450 | 5.2*34*50mm | 5.4*35*52.5mm | 3.7V 1000mAh |
| 553444 | 5.5*34*44mm | 5.7*35*46.5mm | 3.7V 850mAh |
| 553640 | 5.5*36*40mm | 5.7*37*42.5mm | 3.7V 850mAh |
| 553759 | 5.5*37*59mm | 5.7*38*61.5mm | 3.7V 1400mAh |
| 602030 | 6.0*20*30mm | 6.2*21*32.5mm | 3.7V 300mAh |
| 602240 | 6.0*22*40mm | 6.2*23*42.5mm | 3.7V 500mAh |
| 602535 | 6.0*25*35mm | 6.2*26*37.5mm | 3.7V 500mAh |
| 602663 | 6.0*26*63mm | 6.2*27*65.5mm | 3.7V 1000mAh |
| 603030 | 6.0*30*30mm | 6.2*31*32.5mm | 3.7V 520mAh |
| 603040 | 6.0*30*40mm | 6.2*31*42.5mm | 3.7V 750mAh |
| 603048 | 6.0*30*48mm | 6.2*31*50.5mm | 3.7V 900mAh |
| 603450 | 6.0*34*50mm | 6.2*35*52.5mm | 3.7v 1050mAh |
| 702040 | 7.0*21*40mm | 7.2*22*42.5mm | 3.7V 500mAh |
| 753048 | 7.5*30*48mm | 7.7*31*50.5mm | 3.7V 1200mAh |
| 803035 | 8.0*30*35mm | 8.2*31*37.5mm | 3.7V 800mAh |



1. Q:Where can I get the price?
A: 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.
2. Q: How can I get a sample to check your quality?
A: After price confirmation, you can require for samples to check our quality.
3. Q: What about the lead time for mass production?
A: Honestly, it depends on your order quantity and the season you place the order. We suggested t hat you start inquiry two months before the date you would like to get the products at your country.
4. Q: What is your terms of payment?
A: We accept T/T and L/C.
More battery model please contact us .
Looking forward to your inquiry soon and thanks for your viewing.
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
- 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 two 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.
- Can I get free samples?
- For lithium polymer batteries with capacity less than 500mAh, we can provide 5pcs of free samples. Buyers only need to pay for the shipping cost. If items are in stock, samples can be sent out within 5 days.
- What is the warranty policy?
- We provide a one-year warranty. If any quality problems occur that are not caused by improper use or man-made damage, we will replace the battery one by one.
- What is the maximum charge voltage?
- The standard charge voltage is 4.2V, and the maximum charge voltage is 4.23V.
- Do you offer customization services?
- Yes, we offer OEM/ODM services including customization from samples, designs, full customization, minor customization, and flexible customization.
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