China 6600mAh Cylindrical 18650 3.7V Rechargeable Lithium-Ion Battery Packs

6600mAh Cylindrical 18650 3.7V Rechargeable Lithium-Ion Battery Packs

ItemSpecificationsNominal capacity6600mAhMinimum capacity6550mAhNominal voltage3.7VCharging voltage4.2 ±0.05VDischarge ending voltage2.75 ±0.05V°CStandard charging current0.5C (3300mAh)Standard discharging current0.5C (3300mAh)Max charging current 1C (T≥10°C) 0.5C (10°C>T≥0°C) 0.1C (0°C>≥-10°C)Max discharging current 2C (T≥0°C) 1C (0°C>T≥-10) 0.5°C (-10°C>T≥-20°C)Max recommended charge and discharge cell body temperature Charge: 0 to 45°C
Discharge:-20 to 60°Max short term allowable charge and discharge cell body temperature
Charging and discharging at these conditions will shorten cell cycle lifeCharge: 60°C
Discharge: 75°CInternal resistance ≤70mΩ (AC impedance, 1000Hz)Cell dimensionsT*W*L: approx. 19.0mm*56.0mm*67.0mm Weight ≤150g

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.