Place of Origin:
Changsha, China
Brand Name:
HYZZ
Certification:
ISO9001, CE, CB, UN38.3
Document:
High Discharge Special Lithium Battery 7.4V 3500mAh Fast Charge Capability
Model: 7.4V 3500mAh
Specification: 28mmX68mmx70mm
Features: effective discharge rate ≥75% under -40°C working environment, polymer square low temperature lithium battery, charge cut-off voltage 8.4V, discharge cut-off voltage 5V, working current 0.5A, maximum working current 3.5A
Applications :
Solar and wind energy storage system
EPS and UPS battery backup
Signal system , emergency lighting system , security system
Telecommunication Equipment
Power plant and transmission system
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Number | HY00042 | ||
| Version | A0 | |||
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HYLF/7.4/3.5-001 Battery pack specification |
Date |
2019-5-7 |
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| 1．Basic characteristics |
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Product name |
Low temperature lithium battery |
Soft pack laser welding assembly method
Low temperature work protection board
-40℃-55℃Ambient operating temperature: -40℃-55℃
40℃,0.2C5V,70%.Working characteristics: Under the condition of low temperature 40 °C, the current is discharged to 5V at 0.2C, and the effective discharge rate is not lower than 70% of the normal temperature capacity.
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product code |
HYLF/7.4/3.5-001 | |||
| L x W x H | 28mmX68mmx70mm | |||
| Rated voltage | 7.4VSeries structure | |||
| Rated Capacity | 3500mAh | |||
| Serialization | 2S | |||
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Internal resistance |
≤60mΩ | |||
| Discharge cutoff voltage | 5.0V |
Shell color
□ Matt black □ Bright gray □ Fruit green + bright gray (two colors) ☑ Black
Charging and discharging interface □ Wall terminal □ Anderson □ Air plug □ Positive and negative lines ☑ Hardware contact
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| Charging protection voltage | 8.4V | |||
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Max.charging voltage |
8.5V |
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Max. charging current |
1.7A |
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Maximum discharge current |
3.5A |
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Peak current |
6±3A 2S | |||
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Rated discharge current |
0.5A | |||
| Charging method | CC/CV |
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weight |
140.5g | |||
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Operating temperature
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Charging |
0～45℃ | ||
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Discharge |
-40～55℃ | |||
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60-80%SOC , 2 Storage temperature 60-80% SOC storage, need to recharge every 2 months |
-10～35℃ |
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C1 Cycle life Cycle life |
500 Times |
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| price | RMB:¥ 00.00 | |||
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Delivery period |
25 Working day |
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