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High capacity Rechargeable Lithium-ion cell 18650 3350mAh


Item
SpecificationRemark
Model
JM18650-34E

Rated capacity3350mAh
After standard charging, discharge to 2.5V at 0.2C5, 25℃
Min. capacity
3250mAh
Platform voltage
3.60V
Standard chargingCC-CV, Std. 0.2C5, cut-off at 1/50C5, 8.0hrs 25±2℃C5, nominal capacity
Charging current (max.)

0℃~10℃, 0.2C5

10℃~20℃, 0.3C5

20℃~45℃, 0.5C5


Standard discharging
CC, 0.2C5, cut-off at 2.5V
Discharing current (max.)3C5
25℃
AC Impedance
≤45mΩAC 1kHz
Cycle life
500th cycle>80% of 1st cycle capacity25℃, 0.5C5 charge, 1/20C5 cut-off; Discharge: 1.0C5 to 2.5V

Discharge characteristics

(by rate of discharge)

0.2C5 = 100%

0.5C5 ≥ 96%

1.0C5 ≥ 95%

2.0C5 ≥ 93%

3.0C5 ≥ 90%

Cells are to be charged per standard charge profile. The discharge capacity of each cell at respective discharge rate shall be compared with the discharge capacity at 0.2C5
Discharge characteristics

(by temperature)

60℃ ≥ 100%

45℃ ≥ 100%

25℃ = 100%

0℃ ≥ 80%

-10℃ ≥ 75%

-20℃ ≥ 70%

25℃, 100%SOC, residual and recoverable capacity shall be tested after 28 days at 25±2℃
Operating temperature

Charge: 0℃ to +45℃

Discharge: -20℃ to +60℃


Storage temperature

1 month: -5℃ to +45℃

3 months: -5℃ to +45℃

12 months: -5℃ to +30℃

Recommend storage temperature: -5℃ to 35℃
Storage humidity
≤75%RH
Weight≤49g
Dimensions (max.) (D x H)mm18.50 x 65.20








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High capacity Rechargeable Lithium-ion cell 21700 5000mAh


ItemSpecificationRemark
Nominal capacity
5000mAh (at 0.2C discharge)
Nominal capacity is measured by the discharge at 0.2C to 2.5V end voltage after standard fully charged according to the specification at 25℃
Min. capacity4900mAh (at 0.2C discharge)
Max. charge voltage
4.20V±0.03V
Average working voltage3.60V@0.2C
Standard charge

CC-CV

Constant current: 0.2C (1000mA)

Costant voltage: 4.2V

End current: 100mA±5mA


Max. charge current

0℃ ≤ T ≤ 10℃, 0.1C (500mA)

10℃ < T ≤ 20℃, 0.2C (1000mA)

20℃ < T ≤ 45℃, 0.7C (3500mA)


Charge time

Standard charge: 6.0h

Rapid charge: 2.0h


Standard discharge

Constant current: 1.0C (5000mA)

End voltage: 2.5V


Max. discharge current

-20℃ ≤ T ≤ 20℃, 1.0C (5000mA)

20℃ < T ≤ 35℃, 2.0C (10000mA)

35℃ < T ≤ 45℃, 1.0C (5000mA)


Cycle life500th cycle ≥ 70% of 1st capacity (25±2℃, 4.2V-2.5V)If charged and discharged at high rate and high temperature (≥35℃) frequently, cell cycle life will be shorten. If charged and discharged at high temperature (≥65℃) frequently, cell safety may be occured.
WeightAvg. 72g

Operating environmental temperature

Charge: 0℃ to +45℃

Discharge: -20℃ to +45℃


Storage temperature

1 month: -20℃ to +50℃

3 months: -20℃ to +40℃

12 months: -20℃ to +20℃


Dimensions (max.) (D x H)mmD: 21.7±0.2mm H: 70.9±0.2mm


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High capacity Rechargeable Lithium-ion cell 18650 3200mAh


Nominal capacity: 3200mAh

Nominal voltage: 3.6V

Discharge cut-off voltage: 2.75V

Maximum charge voltage: 4.2V

Internal resistance: ≤40mΩ

Operating voltage range: -20℃ ~ 60℃

Charge voltage range: 0℃ ~ 45℃

Maximum continuous charge current: 1C (3.2A)

Maximum continuous discharge current: 2C (4.6A)

Weight: 47g



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