Panasonic HHR300CH User manual

NICKEL METAL HYDRIDE HANDBOOK AUGUST 2005

NICKEL METAL HYDRIDE BATTERIES: INDIVIDUAL DATA SHEET

Thisinformationisgenerallydescriptiveonlyandisnotintendedtomakeorimplyanyrepresentation,guaranteeorwarrantywithrespecttoanycellsandbatteries.Cellandbatterydesigns/specificationsaresubjectto

modificationwithoutnotice.ContactPanasonicforthelatestinformation.

Typical Discharge Characteristics

Typical Charge Characteristics

HHR300CHCylindrical C size (HR 26/50) for backup use

Dimensions (with Tube) (mm)

Specifications

1After charging at 0.1It for 16 hours, discharging at 0.2It.

2For reference only.

3Need specially designed control system

Control System:

dT/dt cut-off; 1 to 2°C/min

-UV cut-off; -UV per cell = 5 to 10 mV

T-control;T=65°C

Rapid charger timer; 2.4h (at 1.25a)

Trickle timer; within 2h

4With control system

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.

(+)

( )

50.0+

25.8+

0246810203040506

2.0

1.8

1.6

1.4

1.2

1.0

0.8

Voltage (V)

Charge Time (hours)

Charge: 300mA(0.1 It) x 16hrs.

10˚C

25˚C

60˚C

-20 -10 0 10 20 30 40 50 60 7

Capacity Ratio (%)

Temperature (°C)

120

110

100

Charge: 300mA (0.1 It) x 16 hrs.

Charge Temperature: -10 to 60˚C

Discharge: 600mA (0.2 It)

Cut-off Voltage: 1.0V

Discharge Temperature: 25˚C

0 5 10 15 20 25 3

Voltage (V)

Discharge Time (minutes)

Charge: 300mA(0.1It) x 16 hrs., 25°C

Discharge: 10A, 20A, 25°C

10A

20A

1.8

1.6

1.4

1.2

1.0

0.8

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 Ampere-hours.

n = the time base [hours] for which the rated capacity is declared

NominalVoltage 1.2V

Discharge

Capacity

Average

Rated (Min.)

3300 mAh

3100 mAh

5mΩ

300mA (0.1It) x 16hrs.

1500mA (1It) x 2.4 hrs.

155mA x 32 hrs.

100mA x 48 hrs.

Approx. Internal impedance

at 1000Hz at charged state.

Charge

Discharge

Storage

Standard

Rapid

Low Rate

Standard

Rapid

Low Rate

Ambient

Temperature

˚C˚F

0˚C to 45˚C

10˚C to 40˚C

-10˚C to 45˚C

-10˚C to 65˚C

-20˚C to 35˚C

-20˚C to 55˚C

32˚F to 113˚F

32˚F to 104˚F

14˚F to 149˚F

14˚F to 113˚F

-4˚F to 95˚F

-4˚F to 131˚F

< 1 year

< 3 months

< 1 month

Diameter

Height

Approximate

Weight

Grams Ounces

25.8+0/-1.0

50.0+0/-1.5

inch

1.02+0/-0.04

1.97+0/-0.06

80 2.82

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