NICKEL METAL HYDRIDE BATTERIES: INDIVIDUAL DATA SHEET
HHR380A Cylindrical |
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Dimensions (with Tube) | (mm) |
17.0+- 00.7
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Specifications
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| Diameter |
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| Approximate |
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| Weight |
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| 53 |
| 1.87 |
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| Nominal Voltage |
| 1.2V |
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Discharge |
| Average** | 3800 mAh |
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Capacity* |
| Rated (Min.) | 3700 mAh |
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Approx. Internal impedance |
| 25mΩ |
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at 1000Hz at charged state. |
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Charge |
| Standard | 370mA (0.1It) x 16hrs. |
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| Rapid*** | 2000mA dT/dt |
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| Charge |
| Standard | ˚C |
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Ambient Temperature |
| 0˚C to 45˚C |
| 32˚F to 113˚F |
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Storage |
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| < 3 months |
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| Rapid | 0˚C to 40˚C |
| 32˚F to 104˚F |
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| Discharge |
| 14˚F to 149˚F |
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| < 1 year |
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| < 1 month |
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*After charging at 0.1It for 16 hours, discharging at 0.2It. ** For reference only.
*** For rapid charge: use dT/dt charge termination method. Refer to the Nickel Metal Hydride “Charge Methods” section for further details.
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: [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
Typical Charge Characteristics
| 2.0 |
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| Charge: 2000mA- | V=10mV |
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| 1.9 |
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| 1.8 |
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(V) | 1.7 |
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1.6 |
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Voltage | 1.5 |
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1.4 |
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| 1.3 |
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| 1.2 |
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| 1.1 |
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| 1.0 |
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| 0˚C |
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| 20˚C |
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| 0.9 |
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| 45˚C |
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| 0.8 |
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| 20 | 40 | 60 | 80 | 100 | 120 |
| 140 | 160 | |||
| 0 |
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Typical Discharge Characteristics
1.8
Charge: 2000mA dT/dt=1.0˚C/min,20˚C
| 1.7 |
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| Disharge Temperature: 20˚C |
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| 1.6 |
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(V) | 1.5 |
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1.4 |
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Voltage |
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1.3 |
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| 1.2 |
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| 1.1 |
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| 1.0 |
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| 760mA(0.2 It) |
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| 0.9 |
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| 0.8 | 1 | 2 | 3 | 4 | 5 | 6 |
| 0 |
| 1.8 |
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| 1.7 |
| Charge: 2000mA,dT/dt=1.0˚C/min.20˚C |
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| Disharge Temperature: 20˚C |
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| 1.6 |
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(V) | 1.5 |
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1.4 |
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Voltage |
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1.3 |
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| 1.2 |
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| 1.1 |
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| 1.0 |
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| 0.9 |
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| 2000mA(0.53 It) | |
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| 3800mA(1 It) | ||
| 0.8 |
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NICKEL METAL HYDRIDE HANDBOOK | AUGUST 2005 |
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.