Datasheet

The low maintenance and valve regulated
constructions combine with heavy-duty plates and
unique separator systems to make NPC service twice
as long as conventional counterparts.
FEATURES
1. Double cycle life
NPC operates 500 charge/discharge cycles or twice as
many cycles as conventional cycle use batteries at
75%D.O.D. (depth of discharge).
2. Valve-regulated and maintenance-free
Battery electrolyte retained solidly in the separator and the
innovative gas recombinant system allows minimum gas
emittance freeing the user from maintenance.
3. Durability for deep discharge use
Yuasa’s state-of-the-art plate barrier prevention and the
unique separator systems help endure deep discharge
use thus considerably prolonging battery’s service life.
4. Minimal self-discharge
Cyclic use batteries tend to be left discharged after usage
causing plate corrosion leading to shortened life. Self
discharge rate of NPC is as small as only 0.1% a day at
20°C and thus extends the storage period allowed.
Operating temperature range
Charge: – 15 ~ 50°C (5 ~ 122°F)
Discharge: – 15 ~ 50°C (5 ~ 122°F)
Storage: – 20 ~ 50°C (– 4 ~ 122°F)
Layout
NPC
www.yuasa-battery.co.uk
DDaattaa SShheeeett
NPC SERIES -
NNPPCC2244--1122
I
Terminal J
120
100
80
60
0
200 400 600 800
NUMBER OF CYCLES
PERCENTAGE OF CAPACITY AVAILABLE
(AH%)
Other NPC
CYCLE SERVICE LIFE IN RELATION TO
DEPTH OF DISCHARGE AT 75% DOD
TESTING CONDITIONS
Capacity test 0.17CA (FV 10.2V)
Life test 0.25CA, 3 hours
CHARGING: 14.6V, 9 HOURS
MAX. CHARGING CURRENT: 0.25CA
AMBIENT TEMPERATURE: 25°C (77F)
Terminals
Recommended charging method
Current: Max. 0.25CA Voltage: 2.4 ~ 2.5VPC
Applications
• Wheelchairs • Golf trolley • Lawn mowers • Lights
• Toy cars • Sprayers • Photovoltaics • Robots
• Communications • Electric tools • Pumps
• Measuring instruments • AGV (Automatic guided vehicle)
• Magnetic lifts
Specifications
NPC Model Volts
Rated Capacity
(20 hr rate) (Ah)
Approx. Dimensions
Length
Width
Overall height
incl. terminals
Weight Layout
Terminals
NPC24 - 12I
12 24 175mm 166mm 125mm 8.8kg 2 J
CAUTION
- Avoid short circuit.
- Do not charge in a sealed container.
- Service life and operational characteristics will be
affected by temperature.
- AC Ripple reduces service life.
Terminal x y
J: 17mm M5

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