HHR380A Panasonic, HHR380A Datasheet - Page 4

• Manufacturer Part Number: HHR380A
• Description: Battery; Nickel-Metal Hydride; Size L-A; 1.2V; 3800mAh
• Manufacturer: Panasonic

Specifications of HHR380A

• Brand/series: HHR Series
• Capacity: 3700 mAh
• Chemical System: Nickel-Metal Hydride
• Dimensions: 2.64"H×0.67"Dia.
• Primary Type: Rechargeable
• Size: Cylindrical
• Temperature, Operating: 0 to +45 °C
• Termination: Pressure Contact
• Voltage, Rating: 1.2 V
• Weight: 1.87 Oz.
• Lead Free Status / Rohs Status: RoHS Exempt Product

This information is generally descriptive only and is not intended to make or imply any representation, guarantee or warranty with respect to any cells and batteries. Cell and battery designs/specifications are subject to
modification without notice. Contact Panasonic for the latest information.
NICKEL METAL HYDRIDE BATTERIES: INDIVIDUAL DATA SHEET
*** For rapid charge: use dT/dt charge termination method. Refer to the
Battery performance and cycle life are strongly affected by how they
are used. In order to maximize battery safety, please consult Panasonic
when determining charge / discharge specs, warning label contents
and unit design.
Note:
Specifications
HHR380A
Dimensions (with Tube)
** For reference only.
* After charging at 0.1It for 16 hours, discharging at 0.2It.
Approx. Internal impedance
at 1000Hz at charged state.
Nickel Metal Hydride “Charge Methods” section for further details.
Discharge
Capacity*
Charge
[It] was previously expressed as [C]. [It] is an IEC standard expression
for the amount of charge or discharge current and is expressed as:
It(A) = Cn (Ah)/1h.
• [It] is the reference test current in ampres
• [Cn] is the rated capacity of the cell or battery in Ampere-hours.
Nominal Voltage
Storage
n = the time base [hours] for which the rated capacity is declared
Approximate
Charge
Diameter
Weight
Height
Discharge
Rated (Min.)
< 1 year
< 3 months
< 1 month
Standard
Standard
Average**
Rapid***
Cylindrical L-A size (HR 17/67)
Rapid
(
( )
+
)
-10˚C to 65˚C
-20˚C to 35˚C
-20˚C to 45˚C
-20˚C to 55˚C
17.0+0/-0.7
67.0+0/-1.5
67.0
0˚C to 45˚C
0˚C to 40˚C
Grams
17.0
mm
53
+
370mA (0.1It) x 16hrs.
-
0
1.5
˚
NICKEL METAL HYDRIDE HANDBOOK
+
-
C
0
0.7
2000mA dT/dt
3800 mAh
3700 mAh
25m
1.2V
32˚F to 113˚F
32˚F to 104˚F
14˚F to 149˚F
-4˚F to 95˚F
-4˚F to 113˚F
-4˚F to 131˚F
0.67+0/-0.03
2.64+0/-0.06
Ounces
inch
1.87
˚
F
(mm)
Typical Charge Characteristics
Typical Discharge Characteristics
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0
0
0
10
20
20
1
40
30
40
Discharge Time (minutes)
2
60
Charge Time (minutes)
50
Discharge Time (hours)
Charge: 2000mA dT/dt=1.0 ˚C /min,20 ˚C
Disharge Temperature: 20 ˚C
Charge: 2000mA,dT/dt=1.0˚C/min.20˚C
Disharge Temperature: 20 ˚C
80
60
3
Charge: 2000mA- V=10mV
70
100
80
4
AUGUST 2005
120
90 100 110 120
2000mA(0.53 It)
3800mA(1 It)
760mA(0.2 It)
5
140
20˚C
45˚C
0˚C
160
6