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| Categories | Lithium Ion Cylindrical Battery |
|---|---|
| Brand Name: | TAC OEM & ODM |
| Model Number: | 7.4V 4400mAh 18650 |
| Certification: | MSDS REACH ROHS |
| Place of Origin: | Shenzhen zhuhai |
| MOQ: | 500 pcs for single cell , 50pack for battery packs |
| Price: | USD 4- 5 |
| Payment Terms: | 100% prepaid before shipping out |
| Supply Ability: | 100000PCS EACH WEEK |
| Delivery Time: | 7-10 days after order confirm for stock model |
| Packaging Details: | meet UN38.3 Certification |
| Model Number:: | 7.4V 4400mAh |
| Rated Capacity:: | 4400mAh |
| Size:: | customized |
| Voltage:: | 7.4V |
| Type:: | Li-ion |
| OEM & ODM:: | Support |
| Circle life: | 500 times |
| pvc: | blue |
| wire and connector: | customized |
| warranty: | 12 months |
| Company Info. |
| Guang Zhou Sunland New Energy Technology Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
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
| 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 Details: | Standard Carton Package |
| Delivery Detail: | 100 sets within 7days |
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 |
The battery pack can used be various power supply
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.
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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