Narada 12NDT26 User manual

VALVE REGULATED SEALED LEAD ACID BATTERY
Acme range
(Front access design)
OPERATION MANUAL
Version 4.2
NARADA POWER SOURCE CO., LTD
Email: [email protected] Website: www.naradapower.com

Operation manual for Acme series V4.2
- 2 -
Contents
Important Safety Instructions.......................................................................................................- 3 -
Chapter One Product Introduction ............................................................................................ - 4 -
1. Features...........................................................................................................................- 4 -
2. Main application fields ...................................................................................................- 4 -
3. Indication of Type ...........................................................................................................- 5 -
4. Types & Dimensions....................................................................................................- 5 -
5. Dimension and sketch map.............................................................................................- 6 -
6. Terminals sketch map......................................................................................................- 8 -
7. Working principle............................................................................................................- 9 -
Chapter Two Technical Characteristics..................................................................................... - 9 -
1. Discharge Performance...................................................................................................- 9 -
2. Constant current and constant power data sheet ...........................................................- 10 -
3. Charge Performance Curve...........................................................................................- 15 -
4. Internal resistance and short circuit current ..................................................................- 15 -
Chapter Three Operation and Maintenance............................................................................. - 16 -
1. Operation Conditions....................................................................................................- 16 -
2. Capacity and influence factors......................................................................................- 16 -
3. Ambient Temperature, Capacity and Life .....................................................................- 17 -
4. Charging request...........................................................................................................- 20 -
5. Storage ..........................................................................................................................- 21 -
Chapter four Maintenance................................................................................................... - 23 -
1. Regulated Maintenance.................................................................................................- 23 -
2. Precautions....................................................................................................................- 23 -
Annex 1.............................................................................................................................- 27 -

Operation manual for Acme series V4.2
- 3 -
Important Safety Instructions
Please read this operation manual carefully. It offers very important safety instructions,
installation and operation guide, and ensure your equipment with best performance
and prolong the service life of your equipment.
·For the sake of your safety, please do not attempt to remove the components of
the battery. The maintenance of the battery can only be carried out by service
engineers specially trained by the principal.
·Considering the potential harm of the lead component to the health and
environment, the battery can be replaced only by the service center authorized by
the manufacturer. To replace the battery or maintenance equipment, please call
the after-sales service hotline for information of the nearest service center.
·Please check the local regulations on the correct way of dealing with battery
disposal or send the battery to the authorized service center for replacement.
·Battery replacement should be operated or supervised by engineers who are
experienced and aware of the preventive measures on the potential harm of the
battery.
·Warning - Do not smoke and refrain having fire near the battery.
·Warning - Do not use any organic solvent to clean the battery.
·Warning - Do not have fire near the battery or it may explode.
·Warning - Do not remove the components of the battery as it contains electrolyte
that may cause injury to the human body.
·Warning - Battery may cause short circuit. Please remove any watches and
jewelry during replacement of the battery, and operate with tools with insulated
materials.
Warning
Electricity
danger
Protecting your eye
Watch
Short-circuits
With adults custody
Read the
manual
Fire
forbidden
Circle use
Do not put
batteries into
dustbin
The product has past
the UL Safe
authentication

Operation manual for Acme series V4.2
- 4 -
Chapter One Product Introduction
1. Features
1.1 Long life
1.1.1 4BS paste technology
1.1.2 Special paste prescription
1.1.3 Special patent grid alloy
1.1.4 Thick plate design
1.2 Reliable seal performance, no acid spillage to cause equipment erosion.
1.2.1 Reliable seal performance, recombination efficiency reach 99%
1.2.2 Patented post sealing structure
1.2.3 Whole valve design ensure the precision
1.3 Excellent high rate discharge performance
1.3.1 Cross-wall welding between each cell, this construction made internal
resistance very low
1.3.2 Superior grid radiates style design; raise the high rate discharge
performance.
1.3.3 Patent paste technology
1.3.4 Copper core cable, copper bar as optional
1.4 Unique Rack line dimension Design Created by Narada in China
1.4.1 Long and narrow construction design, good at heat dispersing ability
1.4.2 Both positive and negative posts are in one side of the battery, easy for
monitoring and maintenance.
1.4.3 Flexible connectors to be fit together according to client demand
1.4.4 Patent gas collecting system
2. Main application fields
2.1 Telecom standby system
2.2 UPS system
2.3 Power system

Operation manual for Acme series V4.2
- 5 -
3. Indication of Type
12
N
D
F/T
－
XXX
10H Rated Capacity
Front terminal (normal design)
Narada type code
12V Series
4. Types & Dimensions
Table 1-1 Narada Acme series battery specification
Type
Normal
Voltage
（V）
Rated
Capacity
C10(Ah)
Dimensions(mm)
Weight
(Kg)
Length
Width
Height
12NDT26
12
26
250
97
148.5
9.3
12NDF50
12
50
390
105
200
21.0
12NDF85
12
85
390
105
270
31.0
12NDF100
12
100
390
105
287
33.0
12NDT100A
12
100
390
105
287
32.5
12NDT100S
12
100
395
108
287
31.0
12NDF125
12
125
558
125
270
45.0
12NDT150S
12
150
550
125
283
48.0
12NDF155
12
155
558
125
270
52.5
12NDT170S
12
170
550
125
283
51.5
12NDT180
12
180
558
125
316
60.0
12NDT190
12
190
558
125
316
60.5