NP4-12 EnerSys, NP4-12 Datasheet - Page 3

• Manufacturer Part Number: NP4-12
• Description: 12V/4AH SEALED LEAD ACID BATT
• Manufacturer: EnerSys
• Series: NPr

Specifications of NP4-12

• Voltage - Rated: 12V
• Capacity: 4.0Ah
• Size / Dimension: 3.54" L x 2.76" W x 4.21" H (90mm x 70mm x 107mm)
• Termination Style: Spade, .187" and .250" (4.7mm and 6.3mm)
• Rechargeability: Yes
• Brand/series: NP Series
• Chemical System: Lead Acid
• Dimensions: 90mmL×70mmW×106mmH
• Primary Type: Rechargeable
• Resistance, Internal: 40 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: 0.187/0.25 Quick Disconnect Tab
• Voltage, Nominal: 12 V
• Voltage, Rating: 12 V
• Weight: 1.75 kg
• Lead Free Status / RoHS Status: Contains lead / RoHS compliant by exemption
• Other names: Q4855529

Range Summary
3 www.enersys.com
Charging
Discharge
Storage
TERMINAL ILLUSTRATION
LAYOUT ILLUSTRATION
M8 “Universal” Bolt Fastened Terminal
M8
M5 Threaded Receptacle
• Standby use: Apply constant voltage charging at 2.275 volts
• Cyclic use: Apply constant voltage charging at 2.40-2.50 VPC.
• Top charge: Product in storage (ambient temperature 25°C/77°F)
• Stop operation when voltage has reached the minimum
• Do not operate at 6CA or more current continuously.
• Always store battery in a fully charged condition.
• If battery is to be stored for a long period, apply a recovery
• Store batteries in a dry and cool location.
Tyco. 1-480318-0
Faston Tab: 187
per cell (or 2.25–2.30VPC).
Initial charging current should be set at less than 0.25CA.
requires a top charge every six months. Apply constant voltage at
2.40 volts per cell, initial charging current should be set at
less than 0.1CA for 15 to 20 hours.
permissible voltage. Recharge immediately.
top-charge every 6 months.
M
A
I
M5
0.860
0.530
0.430
0.295
0.806
0.760
0.690
0.630
0.394
0.335
6
0.250
0.187
0.124
0.098
0.059
0.031
0.020
0.004
1
INCH = MM
INCH = MM
INCH = MM
21.84
13.46
10.92
20.47
19.30
17.53
16.00
10.01
7.49
8.50
6.35
4.75
3.15
2.49
1.50
0.79
0.51
0.10
E
Note:
Dimensions are in inches (mm)
Tolerances are
± 0.02 in. for dimensions < 5mm
± 0.04 in. for dimensions ≥ 5mm
± 0.08 in. for all height dimensions
unless otherwise specified.
M6 Bolt Fastened Terminal
M8 Bolt Fastened Terminal
Faston Tab: 187
2
7
B
J
F
1.024
0.910
0.430
0.335
0.315
0.472
0.250
0.236
0.187
0.130
0.079
0.020
0.709
0.551
0.256
0.236
INCH = MM
INCH = MM
INCH = MM
26.01
23.11
10.92
11.99
18.01
14.00
8.51
8.00
6.35
5.99
4.75
3.30
2.01
0.51
6.50
5.99
Temperature
Incorporating battery into equipment
Others
M10 Bolt Fastened Terminal
3
M6 Threaded Receptacle
8
Faston Tab: 250
• Keep within ambient temperatures of –15°C to +50°C
• Encase battery in a well ventilated compartment.
• Avoid installing battery near heated units such as a transformer.
• House the battery in the lowest section of the equipment
• Avoid terminal short circuit.
• DO NOT expose to open flame.
• Avoid setting batteries in environments which can cause
for both charging and discharging.
enclosure or rack to prevent unnecessary battery temperature rise.
direct contact to gasoline, paint thinner, organic solvents,
synthetic resins, oil, etc.
K
C
M6
1.100
0.910
0.510
0.390
0.330
0.313
0.250
0.180
0.098
0.059
0.031
0.020
0.004
INCH = MM
INCH = MM
Publication no: uS-nP-RS-004 • march 2008
27.94
23.11
12.95
7.95
6.35
4.57
2.49
1.50
0.79
0.51
0.10
9.91
8.38
G
4
9
M5 Bolt Fastened Terminal
“Camcorder” Terminal
JST No. VHR-2N
H
D
L
5
0.472
0.453
0.217
0.079
0.530
0.420
0.310
0.230
0.160
0.870
0.550
0.430
0.230
INCH = MM
INCH = MM
INCH = MM
11.99
11.51
13.46
10.67
22.01
13.97
10.92
5.51
2.01
7.87
5.84
4.06
5.84