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Telecom Batteries
Introduction to our offer
May 2010
The main challenges for Batteries
Why are Batteries failing so early in many countries ?
Exposure
Typical Problems
Solutions
Battery Performance
Low cost batteries have extremely low performance at high
temperature and/or in cycling conditions. (typically ¼)
temperature and grid conditions .
High Ambient Temperature
Both Battery design life and Cycle life are reduced (Typ 50%
at 30-35C)
Temp Controlled Storage and Installation in
Cooling Cabinet
Repeated Power Outages
Battery does not have time to recharge due to Repeated
Cycles.State of Charge will decline and Batteries will dry
out and fail.
Use New Battery can fast recharge or
operate in partial state of charge
OverCharge
Incorrect rectifer settings (ie Boost) can significantly shorten
battery life.
Battery is overheated (risk of Thermal runaway/ leaking)
Design life reduced to 1/5.
Review Rectifier settings or use Float
Voltage recharge
Select right batteries depending on
3 Outperforming Solutions
Electric AC Grids drive needs for different batteries
Stable AC Grids
Float Battery
No AC Grid
Very Unstable Grids
Deep Cycling Battery
PSOC Cycling
Battery
Source: NASA GSFC
40% of the worlds population lives with no electricity or with unstable electric grids
Telecom Products Range
AGM
Red Technology
15 years Design float Life
Pure Lead Technology
Specially design for Stable grid
Range from 50Ah to 180Ah
Stable Grid
Unstable Grid
Off Grid
AGM
Silver Technology
10 years Design float Life
High Cyclic performance
Range : 13Ah – 170Ah
AGM
Blue Technology
PSOC Cyclic Performance
Specially Designed for
Unstable Grid
Range 84Ah-142Ah
OPZV
Solar Technology
Deep Cycle Performance
Designed for Off grid
Range : 200Ah-2000Ah
NorthStar Superior Technology




Thin-plates = more plates per cell = increased surface area
Minimal spacing between plates, typically <1mm
Very low internal resistance, hence:
 High volumetric power density
 High gravimetric power density
 Rapid recharge capability (no current limit)
 Superior Low Temperature Performance
Very high pack compression
 High Cycling Capability
NorthStar PPO Plastic Technology
Designed for long and reliable life in any condition
Premium Plastic
Standard Plastics
NorthStar PPO
PC/ABS
ABS
PP
Halogen free V0
Yes
Yes
No
No
High temp (65°C) sustainability
Yes
No
No
Yes
Ability to be left beyond end-of-life
without degrading
Yes
No
No
Yes
*****
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***
*
*
**
**
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Ability to maintain high pack
compression with minimum deflection
Material cost
NSB Red Technology
NSB60 Red
NSB92 Red
NSB100 Red
NSB100X Red
NSB150 Red
NSB180 Red
Height /mm
263
264
287
264
320
320
Dimensions
Width /mm
108
108
108
110
125
125

NSB Red Star TechnologyTM using Pure Lead
has been developed to provide exceptionally long
float life for telecommunication applications under
stable AC grid conditions.
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Design float life of 15-years @ 20°C and @
2.27VPC

High energy density

Non-halogenated V0 plastic container and lid

Stable up to 65°C

Twin venting port

Available Q4 2010
Depth /mm
287
396
396
520
283
560
Capacity /Ah
60
92
100
100
150
180
NSB Silver Technology
Patented Silver Alloy
•
Increased Life under Float conditions
•
Higher Temperature Performance +65C
•
Higher Cycling Capabilities
•
Reduced grid corrosion rate
10 years Design float Life
Superior Cycling Performance
110
12V Front Terminal
•
NSB 40 FT
•
NSB 60 FT
•
NSB 90 FT
•
NSB 100 FT
•
NSB 110 FT
•
NSB 155 FT
•
NSB 170 FT
Capacity
100
90
NSB Silver Alloy
80
Calcium alloy
70
0%
20%
40%
60%
80%
100%
120%
Design Float Life
140%
160%
180%
200%
12V Top Terminal
. NSB13
. NSB40
. NSB 75
. NSB90
. NSB125
NSB Blue Technology – Designed for Unstable Grid
• Easy and Safe Set up
- No Boost Voltage required
- No Full recharge required after each cycle - PSOC Capable
• Faster recharge
• High cyclic capabilities - Up to 2500 cycles at 25% DOD
NSB 100 BLUE and NSB170 BLUE now available
Up 2 to 3 Times more cycles than NSB Standard .
NSB Blue Technology – Designed for Unstable Grid
Fastest Float Recharge
100%
State Of Charge
80%
Standard AGM
22-hour recharge
60%
40%
NBS Blue
2-hour recharge
20%
0%
0
4
8
12
16
20
24
Recharge Time /hours
• Blue Technology can repeatedly cycle in lower State of charge window utilizing full rectifier power
• Standard AGM needs to be recharged to >103%
Unstable Grid Field Trial - Bangladesh
Unstable AC Grid Outages
29
In these conditions, Standard
AGM will fail after few months.
The Blue Battery has completed
over 1800 cycles in 1 year of
operation and is still working
28
27
Voltage
26
25
24
23
22
February
March
April
21
0
30
60
90
Days
Increase in battery life
SE Asia Cycle
12
11.5
Simulated laboratory cycling
confirms the large increase in
cycle life with the Blue Battery
On-load voltage/V
Blue Battery
11
Standard AGM
10.5
10
0
250
500
750
1000
1250
Number of Cycles
1500
1750
2000
2250
NSB Solar – OPZV Technology
Designed to DIN 40742
IEC 61427 Solar tested
20 years life time @ 20°C
Horizontal and Vertical operation
Maintenance Free
High Capacity Density and Cyclic
Capabilities
Halogen free VO container material
Operational temperature -40°C - +55°C
Panzerpole touch protected DIN 40050
Degassing system
Free of leakage
Low self discharge
Recyclable
• Extra step for horizontal cells during
manufacturing
•100% quality control:
• Pressure tightness test for each single cel
Where and when to use the NSB Technology
Off Grid
AC Grid outages
(hours per month)
720
High Cyclic
300
Unstable Grid
PSOC Cyclic
100
10
Stable Grid
Standby
Silver
Blue
Solar
NorthStar.
More than just a battery company.