UL CB UN Approval OEM 702040 Rechargeable 3.7V 500mAh Lithium Polymer Lipo Lithium Ion Battery
Product Description:
1.Model: AS702040
2.Voltage: 3.7V
3.Capacity: 500mAh
4.For bluetooth headphone/bluetooth speaker
Parameter Table
| Item |
|
|
| 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:
Performance
1 Standard Test Conditions
Test should be conducted with new batteries within one month after shipment from our factory and the cells shall not be cycled more than five times before the test. Unless otherwise defined, test and measurement shall be done under temperature of 25±2ºC and relative humidity of 45~85%. The test results are not affected evidently by such conditions of temperature 15~30ºC or humidity 25~85%RH.5.2 Measuring Instrument or Apparatus.
2 Measuring Instrument or Apparatus
2.1 Dimension Measuring Instrument
The dimension measurement shall be implemented by instruments with equal or more precision scale
of 0.01mm.
FAQ
Q1: Can I have some samples for testing quality?
A1: Yes, you can buy some samples of any our products for testing quality and market.
Q2: How should I pay?
A2: You can pay via T/T,L/C at sight,Western Union, Cash etc., 100% T/T in advance for samples. For large quantities, 30% T/T in advance as soon as order confirmed and the balance before shipping via T/T or L/C etc. If you prefer other payment terms, please contact us freely.
Q3: What is your package looks like? Can I have the customized package?
A3: We have factory's current standard package, customized print logo shall be complied to buyer's requirements, and the extra charges will be borne by the buyers, for more details, please contact us.
Q4: What is delivery time if we place an order?
A4: It depends order quantities. Usually, we can deliver goods within 3 -5 working days for small orders, for more QTY. order, let's confirm when you place official order.
Q5: Are you factory?
A5: yes,we are factory.
Q6. Can you explain in detail how you match cells for a battery pack before you assembling the pack?
A6: We will do the following things before assembling the pack:
a. Select capacity, same capacities cells for one pack
b. Measure the voltage, same voltage cells for one pack(difference is under 0.02v per cell)
c. Measure the inner resistance,same IR cells for one pack (difference is under 1m Ohm)
All above steps are very strict to make sure the pack performance is perfect.
Q7: What&rsquos your advantage compared with other suppliers?
A7: a. High quality batteries: Our batteries are in enough capacity, and lower in RI,
Before shipment, we will inspect the products and ensure the quality which are well approved by our clients.
b. Better service: We always offer what our clients need. Reply client&rsquos questions timely. Supply best projects solution for clients. We ship out the products on time&hellip
Address: Rm1312,A Block,Weidonglong Business Building,No.194 Meilong Rd,Longhua,Shenzhen,Guangdong,518109,CHINA
Our website lists just some of the products we have
successfully supplied,but please note this is just
representative and an example of our products&service,
so,if you cannot see the product you are looking for, please contact us today!!!
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