NP4-6 EnerSys, NP4-6 Datasheet - Page 2

• Manufacturer Part Number: NP4-6
• Description: LEAD ACID BATTERY, 6V, 4AH
• Manufacturer: EnerSys

Specifications of NP4-6

• Battery Capacity: 4Ah
• Battery Voltage: 6V
• Battery Technology: Lead Acid
• External Height: 105mm
• External Width: 47mm
• External Depth: 70mm
• Weight: 1.76lb
• Battery Terminals: Solder Tab
• Height: 4.15"
• Brand/series: NP Series
• Capacity: 4000 mAh
• Chemical System: Lead Acid
• Dimensions: 70mmL×47mmW×105.5mmH
• Primary Type: Rechargeable
• Size: Rectangular
• Temperature, Operating: -15 to +50 °C
• Termination: 0.187 Quick Disconnect Tab
• Voltage, Nominal: 6 V
• Voltage, Rating: 6 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
(AH%)
(%)
100
120
100
75
50
25
0
80
60
40
20
0
CYCLE SERVICE LIFE IN RELATION
TESTING CONDITIONS: DISCHARGE CURRENT: 0.17C AMP. (F.V. 1.7V/CELL)
•Avoid short circuit
•Do not charge in a sealed container.
DISCHARGE CHARACTERISTIC
TO DEPTH OF DISCHARGE
200
3
100% D.O.D.
CURVES AT 25
400
EnerSys Inc.
P.O. Box 14145
Reading, PA 19612-4145
USA
Tel:[phone]
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
0
9
C (104
0
C (77
800
0
F)
0
12
C TO 25
Cycle use:
Standby use: Float charging voltage 6.75 to 6.90V
0
30% DEPTH OF DISCHARGE
1000
F)
0
C (68
30
0
0
C (86
15
F TO 77
EnerSys EMEA
Brussels, Belgium
Tel:[phone]
EnerSys Asia
Guandong, China
Tel:[phone]
20
1200
0
0
C (68
F)
0
F)
0
F)
Maximum charging current 1.0A
18
Charging voltage 7.2 to 7.5V
1400
(AH%)
120
100
80
60
40
20
0
(V)
7.0
6.5
6.0
5.5
5.0
TEMPERATURE EFFECTS IN RELATION
0
VS REMAINING CAPACITY
TESTING CONDITIONS: FLOATING VOLTAGE 2.25 TO 2.30V/CELL
OPEN CIRCUIT VOLTAGE
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
0
AT 25
C (64
0
F TO 72
0
C (77
5
0
0
F)
F)
100
5.5