
Quick Detail for 18650 Lithium Ion Cylindrical Battery Pack 7.4V With ROHS REACH
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: | 1set for one sponge bag, 3-5 bags for one inner box , 6 box for one carton |
Delivery Detail: | 100 sets within 7days |
NO. | Item | Specifications |
1 | Norminal capacity | 4400mAh 0.2C Discharge |
Minimum capacity | 4300mAh 0.2C Discharge | |
2 | Nominal 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 |
Similar Production
The battery should store in the product specification book stipulation temperature range. If has surpasses above for six months the long time storage, suggested you should carry on additional charge to the battery
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 customers abuse and misuse.
Guang Zhou Sunland New Energy Technology Co., Ltd.
Guangzhou Sunland New Energy Technology Co., Ltd. (Sunland Power) is a senior professional service provider of
battery application. Aiming at serving industrial users, it is
dedicated to providing industrial users with optimized battery
supporting solutions and safe, environmental friendly and
cost-effective battery products.
It has a R & D, engineering and management team with more than
10 years of industry experience
From upstream to downstream, the battery industry has the advantage
of vertical integration
Specializing in batteries, battery packs, battery management
systems and energy solutions
The products are widely used in medical devices, coal mine
security, electronic appliances, power supply and standby energy
storage system. For example, the power supply system of electric
bicycle; Solar energy storage power supply system, UPS backup power
supply system. At the same time, it is also an ideal choice for
vehicle starting power supply, military painting and other fields.
We provide professional design and customization services according
to the special needs of customers.