Li-Ion Battery Pack 18650 2900mah Battery Pack With High Quality

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Li-Ion Battery Pack 18650 2900mah Battery Pack With High Quality

Li-Ion Battery Pack 18650 2900mah Battery Pack With High Quality

Li-Ion Battery Pack 18650 2900mah Battery Pack With High Quality

 Item Rating Note
 Cell Type Li-ion Battery
Cell Model 18650-2900mAh
Nominal Capacity 2900mAh Discharge : 0.2C

Cut-off Voltage: 2.5V

Minimum Capacity 2750mAh Discharge : 0.2C

Cut-off Voltage: 2.5V

Nominal voltage 3.7V
Internal Impedance ≤60mΩ
Dimension Max. 18.5*65mm
Weight Approx.50g
 Battery Pack Pack Method 4S9P
Nominal Capacity 26.1Ah Discharge : 0.2C

Cut-off Voltage:10V

Minimum Capacity 24.3Ah Discharge : 0.2C

Cut-off Voltage: 10V

Nominal Voltage 14.4V
Charge Voltage 16.8V
Discharge cut-off voltage 10V
Charge Method CC/CV
Standard Charge Current 0.16A 0.2C
Max. Charge Current 10A
Standard Discharge Current 5.22A 0.2C
Max. Continues Discharge current 10A
Cycle Life 300 times(week) 80%
Internal Impedance 200mΩ
Dimension L168* W78*T73mm MAX
Weight Approx.1.8kg
Working Temperature Range Charge: -20°C–50°C

Discharge: -20°C–50°C

Storage Temperature -10°C–45°C

Development of the battery began in 2012, when Chiang joined the Department of Energy’s Joint Center for Energy Storage Research, a five-year project that brought together about 180 researchers to collaborate on energy-saving technologies. Chiang, for his part, focused on developing an efficient battery that could reduce the cost of grid-scale energy storage.

A major issue with batteries over the past several decades, Chiang says, has been a focus on synthesizing materials that offer greater energy density but are very expensive. The most widely used materials in lithium-ion batteries for cellphones, for instance, have a cost of about $100 for each kilowatt hour of energy stored.

“This meant maybe we weren’t focusing on the right thing, with an ever-increasing chemical cost in pursuit of high energy-density,” Chiang says. He brought the issue to other MIT researchers. “We said, ‘If we want energy storage at the terawatt scale, we have to use truly abundant materials.’”

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