Active Member
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[China]
Address: MinXin commerce building, BaiHua Dong,GuangMing Street,ShenZhen,China
Contact name:Alex
Unitech Energy System Limited |
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18650 4400mAh Lithium Ion Battery Pack 11.1V 3S2P Li-ion Battery Pack
Battery specification:
| No. | Items | Specifications | Remark | |
| 1 | Nominal Capacity | 4400mAh | 0.2C Standard discharge | |
| 3 | Nominal Voltage | 11.1V | ||
| 4 | Discharge end voltage | 9.0V | ||
| 5 | Charge Voltage | 12.6V±0.03V | By standard charge method | |
| 6 | Standard charging method | 0.2C constant current,4.2V constant voltage charge to 4.2V,continue charging till current decline to≤0.01C | ||
| 7 | Charge current | 0.2C | 880mA | Standard charge |
| 0.5C | 2100mA | Rapid Charge | ||
| 8 | Standard discharging | 0.2C constant current discharge to 9.0V | ||
| 9 | Pack Internal Impedance | ≤220mΩ | Internal resistance measured at AC 1KHZafter 50% charge | |
| 10 | Maximum charge current | 1C | 4400mA | continuous charge |
| 11 | Maximum discharge current | 2C | 8800mA | continuous discharge |
| 12 | Operation Temperature and relative humidity Range | Discharge | -20~60℃ 60±25%R.H. | Charge at a very low temperature such as blew 0℃,will be get a lower capacity and reduce cycle life of the battery |
| Charge | 0~45℃ 60±25%R.H. | |||
| 13 | Storage temperature for a long time | ‘-10~45℃ 60±25%R.H. | Do not storage exceed half year. Must charge once when storage for half year. must charge the battery with protect circuit when storage for three months. | |
Application:
The batteries are widely used in miner lights, LED light, emergency light, flashlights, laptop, protable, DVD, wireless communication product, power tools and etc.
Key Features:
• High quality 18650 battery pack li-ion battery pack;
• no memory effect and rechargeable;
• light weight;
• With PCB for all protection;
• Higher energy density ;
• Long cycle life :>500 times;
• Short circuit protection and over current protection are avaliable;
• Avaliable terminals: soldering tabs, wires, connectors;
• Custom by in series&in parallel different shape;
Guarantee:
-Long guarantee time: 12 months from shipping date
-Defective lipos caused by production, can be replacement, and the
new one will be sent with second shipment.
Our Services:
1. OEM order Welcome: OEM orders are welcomed anytime.
2. 12 Months Warranty: We will guarantee 12 months warranty from the shipment date.
3.Strict Quality Control:All parts are strictly tested by QC department before shipping.
5.Return Policy:For defective goods,please send us the pictures to confirm then we will give you the replacement during warranty period.
6. Good After-sale Service:Any questions on technical issues,welcome to contact us anytime.We will help you solve at first time.
