stored energy solutions for a demanding world

Model: 12NDT100A T
The Acme T range of front access VRLA batteries has been specifically
designed for applications using 19" and 23" cabinets, especially telecoms .
Reliability is assured with the patented post seal and a state-of-the-art
design developed to comply with the latest IEC, British and Telcordia
standards. A 12+ years design life and centralised venting system
add to the suitability and flexibility of this superior range.

Dimensions-mm[inch]

Specifications
Battery Model 12NDT100A

Nominal Voltage 12V

Rated Capacity 100Ah (10 hour rate) to 1.80V/cell @25 OC (77 OF )
Typical Weight 32.5kg

Internal Resistance Approx 6.31mΩ

O O O O
Operation ( maximum )： -40 C to 50 C( -40 F to 122 F)
O O O O
Temperature Ranges Operation ( recommended )： 15 C to 25 C( 59 F to 77 F）
O O O O
Storage： -20 C to 40 C( -4 F to 104 F)
Float Voltage 2.25V/cell@25 OC (77 OF )
Recommended Maximum
25A
Charging Current Limit
Equalize and Cycle Service 2.35V~2.40V/cell@25 OC (77 OF )
Self Discharge The residual capacity is above 87% after 90 days storage(25 OC /77 OF )

Terminal M6 Female
Terminal Hardware Torque 10 ± 1. 0Nm
Container Material ABS (V0 optional)
Constant Current Discharge Characteristics Units: Amperes (25OC, 77OF)
End voltage
per cell 5MIN 15MIN 30MIN 45MIN 1HR 2HR 3HR 4HR 5HR 6HR 8HR 10HR 12HR 20HR 24HR
1.60V 361 194 118 85.3 68.9 39.5 28.7 22.5 19.0 16.3 12.5 10.3 8.68 5.44 4.54
1.67V 339 187 116 84.6 68.5 39.3 28.2 22.4 18.9 16.2 12.4 10.2 8.67 5.39 4.50
1.70V 336 184 114 84.0 68.0 39.0 28.0 22.3 18.6 16.0 12.4 10.2 8.58 5.38 4.50
1.75V 309 178 113 83.4 67.0 38.0 27.7 22.0 18.5 15.9 12.3 10.1 8.58 5.37 4.50
1.80V 277 166 108 80.0 65.3 37.7 27.5 21.9 18.1 15.6 12.2 10.0 8.51 5.31 4.49
1.83V 264 152 106 77.3 62.4 37.2 26.6 20.9 17.5 15.1 11.9 9.63 8.09 5.30 4.42
1.85V 247 148 98.6 74.3 60.5 35.8 25.9 20.7 17.1 14.7 11.5 9.55 8.00 5.20 4.38
O O
Discharge Data with Constant Power Units：Watts per cell (25 C, 77 F)
End voltage
per cell 5MIN 15MIN 30MIN 45MIN 1HR 2HR 3HR 4HR 5HR 6HR 8HR 10HR 12HR 20HR 24HR

1.60V 604 341 213 160 130 74.6 54.5 43.2 36.4 31.4 24.3 20.0 16.8 10.8 9.02
1.67V 581 335 211 159 129 74.4 53.8 43.1 36.4 31.2 24.2 19.8 16.8 10.7 9.02
1.70V 578 331 211 159 129 74.1 53.8 42.9 35.9 31.0 24.0 19.6 16.7 10.7 9.00
1.75V 539 329 210 158 127 73.7 53.2 42.9 35.9 30.9 23.8 19.6 16.6 10.7 9.00
1.80V 495 311 205 155 126 73.5 53.1 42.8 35.3 30.6 23.7 19.6 16.6 10.7 8.98
1.83V 473 285 203 150 121 72.6 51.8 41.2 34.5 29.7 23.5 19.1 16.1 10.7 8.92
1.85V 442 278 188 144 117 70.2 50.4 40.7 33.7 29.1 22.8 18.9 15.9 10.5 8.85

Copyright Narada Power Source Co.,ltd. www.naradabattery.com

 stored energy solutions for a demanding world
Model: 12NDT100A T

Terminal Voltage(V) Vs. Discharge Time (25OC, 77OF) Battery Voltage Vs. Charge Time

Capacity

Current

Voltage
Charge

Charge
Charge
13
Charge Characteristic
Discharge Voltage(V)

12
(%) (CA) (V) Constant Charge At 0.20CA-14.1V(25℃)
120
11 Charge Charge
0. 05CA 14 Voltage Capacity
0.1CA 100
10 0.25CA
0.6CA
1CA 80 0.20 13
9 100%Charge
60 0.15
12 50%Charge
8
40 0.10
11
20 0.05
0 2 6 12 30 60 3 10 20 Charge
Current
Min h 0 0 0 2 4 6 8 10 12
Time(hour)

Relationship of OCV Vs. State of Charge Capacity Retention Characteristic

13.5

13.0
100
Capacity(%)
OCV (V)

12.5 75 O O
10 C(50 F)

12.0 50
40 OC (104 OF) 30 OC (86 OF) O
20 C(68 F)
O

25
11.5

11.0 3 6 9 12 15 18 21 24 27
0 10 20 30 40 50 60 70 80 90 100

12NDT100A-03-N-EN (Ver.03 July 2012) Subject to revision without prior notice. E.& O.E.
Storage Time(month)
Remained Capacity(%)

Charging Procedures Discharge Current VS. Discharge Voltage

Charge Voltage (V/Cell)

Final
Max. Discharge
Set Allowable 1.80 1.70 1.55 1.30
Application Temperature Charge Voltage
Point Range Current V/Cell

Cycle 25 OC 2.40 2.35~2.40 Discharge

0.25C Current (A) 0.2C≥(A) 0.2C<(A)<0.5C 0.5C<(A)<1.0C (A)>1.0C
Standby 25 OC 2.25 2.23~2.27

NARADA POWER SOURCE CO.,LTD. NARADA ASIA PACIFIC PTE.LTD. NARADA EUROPE (UK) LIMITED
9F, Building A, No. 50 Zijinghua Road, Hangzhou, China 65 Ubi Crescent #07-05 Hola centre, Singapore Spectrum House, Dunstable Road, Redbourn,
Tel:+86-571-28827013 Fax:+86-571-28828290 Tel: +65-6848 1191 Fax: +65-6749 3498 St. Albans, Herts AL3 7PR
Website:www.naradabattery.com E-mail: intl@narada.biz E-mail: sales@narada.com.sg Tel: +44 (0)845 371 7095 Fax:+44 (0)845 612 2031
E-mail: sales@naradaeurope.com