China 502030 3.7V 250mAh Rechargeable Li Polymer Battery Cell for Bluetooth

502030 3.7V 250mAh Rechargeable Li Polymer Battery Cell for Bluetooth
Production Description

No.3.7V 250mAh Li-Polymer Battery Cell Parameters1Norminal Voltage3.7V2Norminal Capacity(0.2C)250mAh3Charging Cut-off voltage4.2V4Discharging Cut-off voltage2.75V5Standard charging0.2C/4.2V6Max.Charging Current(Continue)1C/4.2V7Max.Discharging Current(Instantaneous)2C8Internal Resistance(Max,at 1000HZ)≤60mΩ(Full)9Charging MethodsStandard0.2C*6.5HrsFast1C*2.5Hrs10Operating TempCharge0ºC~45ºCDischarge0ºC~45ºCStorage-20ºC~60ºC

FOQ:
Q1:Can I have samples to test? And what is lead time for sample order?
A1:Yes,we can supply samples in 5-7 days depending on the product buyer want, and buyer pay for sample cost and shipping cost.
Q2: What is the Warranty for your products?
A2: 12months, if any quality problems on our side in this period, you can send to my company after sale service center
Q3:What is your company's advantage?
A3:We only supply high level quality of lithium battery and we have a strong design center,we also provide high quality after sale service
Q4: Do you accept OEM/ODM?
A4: Yes,it is avaliable.
Q5: What is your lead time for the mass order?
A5: General speaking, about 7- 20 days depending on different items after getting down payment and confirmation about the samples.
Q6: What is your payment terms?
A6: Sample payment through Paypal or Western Union, and mass order by T/T or L/C.
Q7: Where is your factory?
A7: shenzhen Guangdong Province.
Q8: What kind of certificate you have?
A8: CE,RosH ,UN38.3 IEC-62133 MSDS etc.