|Place of Origin:||CHINA|
|Certification:||KC/ CB/ UN38.3/ROHS|
|Model Number:||18650 3.2V 1500mAh|
|Minimum Order Quantity:||1000PKS|
|Packaging Details:||5pks/box, 10boxes/ctn|
|Payment Terms:||T/T, L/C, Western Union|
|MATERIAL:||Lithum LiFePO4 Battery||VOLTAGE:||3.2V|
|CYCLES:||More Than 2000 Times|
18650 3.2V1500mAh Lithium LiFePo4 Battery CE UL Emergency lighting
The spec. of 18650 3.2V 1500mAh:
|1||Nominal Capacity||1500mAh||0.2 C5A Discharge|
|0.2 C5A Discharge|
|3||Discharge Cut-off Voltage||2.0V||0.2 C5A Discharge|
|0.2 C5A Discharge|
|4||Charge Limited Voltage||3.65±0.03V||0℃～45℃|
|5||Standard Charge Current||0.2 C5A||0℃～45℃|
|6||Standard Discharge Current||0.2 C5A||-10℃~ +60℃|
|7||Rapid Charge Current||0.5C5A||0℃～45℃|
|8||Rapid Discharge Current||0.5C5A||-10℃~ +60℃|
|9||Max. Charge Current||3C5A||End voltage 2.0V|
|10||Internal Impedance||≤40mΩ||AC 1kHz condition|
|At AC 1kHz|
|12||Storage Temperature Range||≤1 month||-20~ 45℃||Factory Voltage 3.3~3.45V|
|≤3 months||0℃~ +30℃||Ex-factory Voltage3.3~3.45V|
More pics of the battery cells:
The feature of the LifePO4 Battery:
The experiment of overdischarge to zero voltage was carried out with the lithium iron phosphate battery STL18650(1100mAh) .
Test Conditions: the 1100MAH STL18650 battery was filled with 0.5 c charge rate, and then discharged with 1.0 c discharge rate to 0C battery voltage. The 0 V batteries were divided into two groups: one for 7 days and the other for 30 days, and then charged at 0.5 c and discharged at 1.0 c. Finally, the differences between two kinds of zero-voltage storage period are compared.
The result of the test is that the battery has no leakage after 7 days storage, the performance is good, the capacity is 100% ; after 30 days storage, the battery has no leakage, the performance is good, the capacity is 98% ; after 30 days storage, the battery does 3 times charge and discharge cycle, the capacity is restored to 100% .
This test shows that the battery even if there is over-discharge (even to 0V) , and stored for a certain time, the battery is not leakage, damage. It's a property that no other lithium-ion battery have.
SO, the advantge of this kind of battery is as following:
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