Battery Datasheet

Long life design for both cyclic and float applications
·
Superb security and reliability
·Robust design inside and out
·Excellent deep discharge recovery fast recharge performance
·Extra long back-up times
·More cost effective than nearest equivalent
stored energy solutions for a
demanding world
stored energy solutions for a
demanding world
Narada’s REX battery is designed for
Renewable Energy Sources such as
Solar and Wind Power. REX protects
o u r e n v i r o n m e n t u s i n g G r e e n
Technology and benefits the World’s
Urban a n d R u r a l P o p u l a t i o n b y
Generating Power Economically from
a Clean Source of Energy. REX is a
product developed by Narada’s R&D
with an “ eXtra” in Performance and
Life Span.
Copyright Narada Power Source Co.,Ltd. en.naradapower.com
Nominal voltage
Number of cells
Rated capacity(25°C)
2V
1
1200Ah-120A for 10h to 1.80V/cell
1440 Ah-12A for 120h to 1.85V/cell
0.14 mΩ( acc. to IEC 60896-21)
13874 A (acc. to IEC60896-21)
less than 2% per month
20 years
Internal resistance
Short circuit current
Self discharge(25°C)
Design life at 25°C
Electrical data
Weight ready for use
Length
Width
Height of monobloc
Total height
Terminal
Terminal hardware torque
Mechanical data
89 kg (196.2 lbs)
232 mm (9.13 in)
264 mm (10.40 in)
502 mm (19.76 in)
514 mm (20.24 in)
M8 female
10 - 12 Nm
·
Features & Benefits
Test standards
IEC60896-21/-22, IEC61427, YD/T 799 etc.
Safety standard, ventilation
EN 50272-2
Manufactured under system
ISO9001/TL9000 & ISO14001 by Narada
Technical specifications
Standards
Constant Current Discharge Data Units: Amperes (25°C,77°F)
Constant Power Discharge Data Units: Watts per cell (25°C,77°F)
Renewable Energy Storage Batteries
1200
15 30 1 3 5 8 10 12 20 24 48 72 120
1.70V 1305 993 704 329 223 153 127 108 66.6 57.0 29.2 19.9 12.7
1.75V 1228 915 664 321 219 150 125 108 66.1 56.5 28.9 19.8 12.5
1.80V 1145 857 631 314 214 148 124 107 64.9 55.3 28.5 19.5 12.4
1.83V 1054 800 595 305 211 147 123 106 64.8 55.3 28.4 19.4 12.3
1.85V 974 754 557 288 201 142 119 102 62.7 53.7 27.4 18.7 12.0
1.90V 769 626 461 258 182 128 108 93.9 58.4 50.2 24.9 17.1 10.8
End
Voltage
Time (minutes) Time (hours)
15 30 1 2 3 4 5 6 7 8 10 12 24
1.70V 2351 1915 1400 880 677 546 461 405 363 332 276 230 128
1.75V 2250 1801 1320 841 664 536 453 393 353 325 274 228 127
1.80V 2121 1683 1215 810 643 528 441 385 347 318 269 224 125
1.83V 1984 1573 1137 780 629 514 429 374 340 310 265 220 122
1.85V 1853 1454 1041 751 608 499 417 363 328 300 255 212 118
1.90V 1501 1189 883 677 554 462 390 343 306 281 240 200 111
End
Voltage
Time (minutes) Time (hours)