Specifications

1.Wholesale Protected 10440 3.7V 320mAh Rechargeable Battery
2.Fast delivery time;
3.With higher capacity

(1)   Key Specifications:

1. Wholesale Protected 10440 3.7V 320mAh Rechargeable Battery

2. Low impedance

3. Higher energy density and lower weight than other types of rechargeable batteries
4. Manufactured under ISO9001 to assure quality
5. Internal PCB protects against under and over charging - low voltage 2.8V, high
voltage 4.2V
6. Battery tested based on International Electrotechnical Commission (IEC) standard
to ensure capacity, quality and life time
7. High capacity, long work time and cycle lifespan

8. Tags, plugs, connectors PCM/PCB are available

9. OEM and ODM orders are welcome

10. Application: laptop, camera, electric appliances, sound equipment, protable power devices, emergency lights, torch etc

 

 

(2)18650 Battery cell Specification

 

Model		3.7v 10440 -320mah
Rated Capacity		320mAh
Min.Capacity		270mAh
Max Charge Voltage		4.2V
Standard Discharge @ 23 °C	Discharge cut-off voltage	2.75V
	Max Charge Current	1 C5A
Standard Charge (CC/CV)	Max.Charge Voltage	4.2V
	Max.Charge Current	1 C5A
	Charge Time	2.5hrs(1 C5A)
Max .Diameter		10.0mm
Max.Height		43.5mm
Weight		9g
Impedance		≤120mΩ

 

 (3)Characteristic Curves

 

 

 

(4) Electrical Characteristic

 

Item	Standard	Test Method
Discharge Characteristics	Discharge Time: (A) 0.2C5A≥5h, (B) 1C5A≥51min	After standard charged, rest for 30min and then discharge at 0.2C5A and 1C5A to the discharge cut-off voltage respectively. Charge/discharge cycle can be conducted for 5 times before meeting the Standards(the same below).
Normal Storage	Discharge Time≥4.25h	Store for 28 days after standard charged, and then discharge at 0.2C5A to the discharge cut-off voltage.
Cycle Life	Cycles≥300	Standard charged, then conduct 0.5C5A /1 C5A cycle untill the discharge time less than 45min for two continous cycles.
Long Time Storage	Discharge Time≥4h	Standard charged, Discharge to the state of 50% capacity. Store for 12 months at room temperature. Conduct 0.2 C5A /0.2 C5A cycle for 5 times before meeting the standard.

 

     

(5) Notes:

 

11.Do not directly solder the battery and pierce the battery with a nail or other sharp objects.

12.Do not use or leave the battery at high temperature (for example, at strong direct sunlight or in a vehicle in extremely hot weather). Otherwise, it can overheat or fire or its performance will be degenerate and its service life will be decreased.

13.Do not use the battery in a location where static electricity and magnetic field is great, otherwise, the safety devices may be damaged, causing hidden trouble of safety.

14.If the battery leaks, and the electrolyte get into the eyes, do not rub the eyes, instead, rinse the eyes with clean water, and immediately seek medical attention. Otherwise, it may injure eyes.

15.If the battery gives off an odor, generates heat, becomes discolored or deformed, or in any way appear abnormal during use, recharging or storage, immediately remove it from the device or battery charger and stop using it.

16.In case the battery terminals are dirty, clean the terminals with a dry cloth before use. Otherwise performance may occur due to the poor connection with the instrument.

17.Be aware discarded batteries may cause fire or explosion, tape the battery terminals to insulate them.