Lithium Ion Rechargeable Battery Pack 18650 7.4V 4400mAh For Power Supply
Features for Lithium Ion Rechargeable Battery Pack 18650 7.4V 4400mAh For Power Supply
1.High quality 7.4 V 4400mah Li-Ion rechargeable battery pack
2.500 times circle life rechargeable battery
3.No memory effects and safer with protect board
4.Longer storage life than NiMH battery.60% remain for original capacity after stock 1 year
5.Built-in IC chip will prevent battery pack from over charge and over discharge and prolongs battery life
Quick Detail for Lithium Ion Rechargeable Battery Pack 18650 7.4V 4400mAh For Power Supply
| Place of Origin: | Guang dong China | Brand Name: | TAC |
| Model Number: | 7.4V 4400mAh | Rated Capacity: | 4400mAh |
| Size: | customized | Voltage: | 7.4V |
| Cycle Life: | >2000times | Type: | Li-ion |
| OEM & ODM: | Support | Packing: | PVC Packing |
| Warranty: | 12months | Environmental Compliance: | ROHS, REACH |
Packaging & Delivery:
| Packaging Details: | Standard Carton Package |
| Delivery Detail: | 100 sets within 7days |
Specifications For Lithium Ion Rechargeable Battery Pack 18650 7.4V 4400mAh
| NO. | Item | Specifications |
| 1 | standard capacity | 4400mAh 0.2C Discharge |
| Minimum capacity | 4300mAh 0.2C Discharge |
| 2 | standard voltage | 7.4V |
| 3 | Charge current | Standard Charge :0.2C Rapid charge :1.0C |
| 4 | Standard Charging method | 0.2C CC(constant current)charge to 8.4V,then CV(constant voltage 8.4V)charge till charge current decline to ≤0.01C |
| 5 | Charging time | Standard Charging Approx 5 hours Rapid charge Approx 1.2hours |
| 6 | Max.charge current | Constant Current 1C Constant Voltage 8.4V 0.01C cut-off |
| 7 | Max.discharge current | Constant current 1.0C end voltage 6.0V |
| 8 | Standard Discharge Current | Constant current 0.2 C end voltage 6.0V |
| 9 | Discharge cut-off voltage | 6.0V |
| 10 | Max charge voltage | 8.4V |
| 11 | Initial Impedance | ≤80mW |
| 12 | Weight | Approx:190g |
| 13 | Operating temperature | Charging: 0℃~45℃ Discharging:-20℃~60℃ |
| 14 | Storage temperature | -5℃~35℃ |
| 15 | Storage Humidity | ≤75% RH |
| 16 | Appearance | Without scratch,distortion,contamination and leakage |
| 17 | Standard environmental condition | Temperature : 23±5℃ Humidity : 45-75%RH Atmospheric Pressure : 86-106 Kpa |
Application for lithium-ion battery pack
The battery pack can used be various power supply
Photos for Lithium Ion Rechargeable Battery Pack 18650 7.4V 4400mAh For Power Supply
Period of Warranty
The period of warranty is one year from the date of shipment. TAC guarantees to give a replacement in case of cells with defects proven due to manufacturing process instead of the customer abuse and misuse.
Storage of the Batteries
The batteries should be stored at room temperature, charged to about 30% to 50% of capacity.
We recommend that batteries be charged about once per half a year to prevent over discharge.
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