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
|
|
|
|
|
|
