Rechargeable Li-ion Battery 18650 4400mAh 11.1V for Automatic Vacuum Cleaner
Product Description
Item | Specifications |
Nominal Capacity | 4400mAh 0.2C Discharge |
Minimum Capacity | 4000mAh 0.2C Discharge |
Nominal Voltage | 11.1V |
Charge Current | Standard Charge:0.5C Rapid Charge:1.0C |
Standard Charging Method | 0.5C CC(Constant Charge)charge to 12.6V, then CV(Constant Voltage 12.6V)charge till charge current decline less than 0.01C |
Charging Time | Standard Charging: Approx. 5hours Rapid Charging: Approx. 2.5hours |
Max. Charge Current | Constant Current 1C5A Constant Voltage 12.6V 0.01C5A Cut-off |
Max. Discharge Current | Constant Current 1.0C5A End Voltage 9.0V |
Standard discharge Current | Constant Current 0.2C5A End Voltage 9.0V |
Discharge Cut-off Voltage | 9.0V |
Charge Cut-off Voltage | 12.6V |
Initial Impedance | Less than 100mo |
Weight | 270g |
Operating Temperature | Charging:0-45 Discharging:-20-60 |
Shipping
| Destination | Normally arrive 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 |
Our Services
Low Risk Promise
- For lithium polymer battery, we can provide 5pcs free samples and buyers pay the shipping cost, for the model in our stock, we can send out within 5 days.
- For order over 2000pcs, Buyer gets a cash coupon of 50 USD for next order.
- For order over 10000pcs, Buyer gets a cash coupon of 100 USD for next order.
Our cooperative policy
- Making the sample until you are satisfied with it.
- Offering professional one-on-one service and replying your E-mail within three hours.
- Shipment sample for checking before shipment.
- Priority to get the our latest product information after our cooperation.
Adavantages
- Green product.
- Long standby time.
- One year warranty.
- Excellent safety performance.
- Excellent storage performance and low self-discharge rate.
- Short circuit testing passed.
- Overcharge testing passed.
- Over discharge testing passed.
- 150C thermal shock test passed.
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.
Welcome to our factory, We are here to support you!