NP24-12B EnerSys, NP24-12B Datasheet - Page 2

• Manufacturer Part Number: NP24-12B
• Description: LEAD ACID BATTERY, 12V, 24AH
• Manufacturer: EnerSys

Specifications of NP24-12B

• Battery Capacity: 24Ah
• Battery Voltage: 12V
• Battery Technology: Lead Acid
• External Height: 125mm
• External Width: 175mm
• External Depth: 166mm
• Weight: 20lb
• Battery Terminals: Bolt
• Width: 6.54"
• Height: 4.92"
• Brand/series: NP Series
• Capacity: 24000 mAh
• Chemical System: Lead Acid
• Dimensions: 166mmL×175mmW×125mmH
• Primary Type: Rechargeable
• Resistance, Internal: 9.5 Milliohms
• Size: Rectangular
• Temperature, Operating: -15 to +50 °C
• Temperature, Operating, Maximum: +50 °C (Charge), +60 °C (Discharge)
• Temperature, Operating, Minimum: -15 °C (Charge), -20 °C (Discharge)
• Termination: Bolt Fastened
• Voltage, Nominal: 12 V
• Voltage, Rating: 12 V
• Lead Free Status / RoHS Status: na
• Lead Free Status / RoHS Status: na

www.enersysinc.com
When the battery will be used by current in excess of 3C, consult with EnerSys, Inc. prior to use.
CHARGING METHODS (At 20ºC)
CAUTION
SELF DISCHARGE CHARACTERISTICS
(%)
100
(AH%)
75
50
25
120
100
0
80
60
40
20
0
CYCLE SERVICE LIFE IN RELATION
DISCHARGE CHARACTERISTIC
TESTING CONDITIONS: DISCHARGE CURRENT: 0.17C AMP. (F.V. 1.7V/CELL)
•Avoid short circuit
•Do not charge in a sealed container.
200
TO DEPTH OF DISCHARGE
3
CURVES AT 25
100% D.O.D.
EnerSys Inc.
P.O. Box 14145
Reading, PA 19612-4145
USA
Tel:[phone]
400
STORAGE TIME (MONTHS)
6
[phone]
CHARGING CURRENT: 0.09C AMP.
CHARGING VOLUME: 125% OF DISCHARGED CAPACITY
AMBIENT TEMPERATURE: 20
NUMBER OF CYCLES
50% D.O.D.
600
40
9
0
C (104
0
0
800
C (77
F)
12
0
C TO 25
Cycle use:
Standby use: Float charging voltage 13.50 to 13.80V
30% DEPTH OF DISCHARGE
0
1000
F)
0
C (68
30
0
C (86
15
0
F TO 77
EnerSys EMEA
Brussels, Belgium
Tel:[phone]
EnerSys Asia
Guandong, China
Tel:[phone]
20
1200
0
0
F)
C (68
0
F)
0
F)
18
Maximum charging current 0.25C
Charging voltage 14.4 to 15.0V
1400
(AH%)
120
100
(V)
14.0
13.0
12.0
11.0
10.0
80
60
40
20
TEMPERATURE EFFECTS IN RELATION
0
0
VS REMAINING CAPACITY
OPEN CIRCUIT VOLTAGE
TESTING CONDITIONS: FLOATING VOLTAGE 2.25 TO 2.30V/CELL
TO BATTERY CAPACITY
FLOAT SERVICE LIFE
1
20
REMAINING CAPACITY (%)
2
40
AMBIENT TEMPERATURE: 20
Represented by:
LIFE (YEARS)
3
60
0
C TO 22
4
80
AT 25
0
C (64
0
0
F TO 72
C (77
0
5
F)
0
F)
100
5.5