Power Tools, Electrocar, Energy storage, LAPTOP, MOBilePhone
100000 Piece/Pieces per Month
Packaging & Delivery
PVC packaging for single cell
Standard export carton packaging
1 - 10000
To be negotiated
Lithium ion battery 18650 3.7v 2000mah rechargeable li-ion battery with PCM and molex-5264-3pin connector make in china
Rated Capacity Typical 2000mAh standard discharge(0.2C) after standard charge Minimum 2000mAh
Internal Resistance ≤20mΩ
Nominal Voltage 3.7V mean operation voltage
Voltage at end of Discharge 2.5V discharge cut-off voltage
Charging at end of Voltage 4.20V
Standard Charge Constant Current 0.2C Constant
Voltage 4.20V 0.02C cut-off charge time:Approx 6.0h
Standard Discharge Constant Current 0.2C end Voltage 3.0V
Fast Charge Constant Current 1C Constant
Voltage 4.20V 0.02C5A cut-off charge time:Approx 2.5h
Fast Discharge Constant Current 1C end Voltage 3.0V
Cycle Characteristic 2000times(100%DOD)
7000 times(50%DOD) the residual capacity is no less
than 80% of rated capacity at 1C rate.
Discharge Current 3C pulse discharge current: 5 C
Operation Temperature Range Charge:0~55℃
Discharge:-20~60℃ 60±25%R.H. bare battery
Storage Temperature Range Less than 1 year:-20~25℃
Less than 3 months:-20~45℃ 60±25%R.H. at the shipment
Packing & Delivery
1,by UPS/DHL/FEDEX( It takes 3-5 days to arrive after all details confirmed)
2,by air cargo( It takes about one week to arrive after all details confirmed)
3,By sea shipment ( It takes about one month to arrive after received the deposit and confirmed all details )
4,Port:FOB Hongkong or CIF terms.
5,Shipment date within 20-30 days after confirmed all information and received the deposit.
6,payment terms:TT /LC
QSPOWER(zhuhai) Co.,LTDwas founded on 2018 belonging to Qiangsheng Goup(UK) Co.,Ltd which focus on green energy products production since 2012.
QSPOWER have the strong technique support group which have the well-known expert form America and Taiwan. QSPOWER has extensive experience with every facet of the design and manufacturing process of batteries.
QSPOWER are focus on Green energy solution, such as lithium battery technique R&D, battery testing, battery cell supplying chain, battery packing and customized green energy solution project.
QSPOWER has the experience and resources to help design engineers ensure a smooth design process and project management meet delivery schedules. We are willing to invest together for potential good project and business partner. New developing requirements are welcome always.
Here are some general categories of markets we are in.
Power tool battery
Portable Medical battery
1,Q: What's the main product in QS?
A: .Electrical & battery rickshaw, and power battery pack(electric vehicle ,energy storage battery ,power bank,and customized batteries.power tool battery ,portable medical battery ,and so on.)
2,Q: What is overcharge?
A: After charge, tested the batteries' initial state and capacity. Charge to 10.0V at 3C current, then charge to 0.01C at CV mode. Observe changes in battery appearance.
3,Q: What is over discharge?
A: After charge, test the batteries' initial state. When the batteries are normal, discharge to 0V at 0.5C. Observe changes in battery appearance
4,Q: Can I have a sample order?
A: Yes, we accept sample order to test and check quality. Batteries can be made as require.
5,Q: Do you have MOQ limit?
A: Yes, we have MOQ limit for mass production, but it depends on battery model. Please contact us for details.
6,Q: How about the lead time?
A: Samples will takes 5-7 business days. Mass production will takes 15-25 days. It depends on quantity.
7,Q: How about shipping and delivery time?
A: Generally, battery will be shipped via Express, such as DHL, TNT, FedEx and UPS, delivery time is 3-5 business days. Or DDP service, delivery time is 11-15 business days. Airline and sea shipping also available.
8,Q: What about after-sale service?
A: We will offer you 1 year guarantee. If there are any problems, please inform us, we will offer you positive solutions.