Ampace JP40 (22710a 21700a) Spec Sheet

JP40 Spec Sheet PDF Download (3 page version)

Primary Specs

Model

JP40

(LT 22710A) (21700a)

Size

21700

Capacity mAh

4000

(Discharged to 2.5v at 0.2c)

Capacity wh

14.8wh

Nominal Voltage

3.7v

Internal Resistance

<4 mOhms

(AC Impedance 1000hz)

Fully Charged

4.2v

(CC/CV) 40ma cut-off

End of Discharge

2.75v

Minimum Voltage

2.5v

Standard Charging Current

2A

Standard Discharge Current

12A

1500 cycles to 80%+ capacity at standard rates

Fast Charging

8A

Max Continuous Discharge Rate

45A

(11.25 C rate) starting discharge at 25 Celsius

Temp Limited Discharge Rate

60A

(15 C rate) Temp Limit 80 Celsius

Pulse 5 sec Discharge Rate

140A

(35 C rate) Time Limited

Cycle Life Testing

10 min rest between cycles to 2.75v

2A Charge
12A Discharge

1500 Cycles

80%+ capacity remaining

2A Charge
30A Discharge

600 Cycles

60%+ capacity remaining

8A Charge
40A Discharge

400 Cycles

60%+ capacity remaining

External Conditions

Weight

69g

Diameter

21.07

+/- 0.15

Height

70.1

+/- 0.2

Charging Temp

0-60C

Discharge Temp

-30C to 75C

Storage conditions: 1 Month

5C to 45C

Storage conditions: 6 Months

0C to 45C

Storage conditions: 12 Months

20C to 25C

 

Ampace JP40

Grading Factors

 

All Cells

mAh

Typical Value

4100

Min

3950

Max

4200

 

 

wh

Typical Value

14.8

Min

14.4

Max

15.2

 

 

mOhms

Typical Value

2.7

Min

2.5

Max

9

 

 

Grams

Typical Value

67.3

Min

66.8

Max

67.7