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
2000Ah-200A for 10h to 1.80V/cell
2400 Ah-20A for 120h to 1.85V/cell
0.10 mΩ( acc. to IEC 60896-21)
20660 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
155 kg (341.7 lbs)
232 mm (9.14 in)
456 mm (17.95 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
2000
15 30 1 3 5 8 10 12 20 24 48 72 120
1.70V 2175 1655 1173 548 371 254 211 180 111 95.1 48.6 33.2 21.1
1.75V 2047 1526 1107 536 365 251 209 180 110 94.2 48.2 33.0 20.9
1.80V 1909 1428 1051 524 357 246 206 178 108 92.2 47.5 32.5 20.6
1.83V 1757 1333 992 508 351 245 205 176 108 92.2 47.3 32.4 20.5
1.85V 1624 1256 928 480 334 236 198 170 105 89.6 45.6 31.2 20.0
1.90V 1282 1044 768 429 303 214 180 157 97.3 83.6 41.5 28.4 18.0
End
Voltage
Time (minutes) Time (hours)
15 30 1 2 3 4 5 6 7 8 10 12 24
1.70V 3918 3192 2333 1466 1128 910 769 675 606 554 461 384 213
1.75V 3749 3001 2200 1402 1106 894 755 655 589 542 457 381 211
1.80V 3535 2805 2026 1350 1072 880 735 641 578 530 449 374 208
1.83V 3307 2621 1895 1301 1049 856 715 624 566 516 441 367 204
1.85V 3088 2423 1736 1251 1013 832 695 606 547 500 425 354 197
1.90V 2502 1981 1472 1128 923 771 649 572 510 469 400 333 185
End
Voltage
Time (minutes) Time (hours)