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Introduction of Narada LiFePO4 battery
An Expert of Lithium battery Solutions.
April.13.2016
Narada lithium battery
Stored Energy Solutions for a Demanding World!
Product applicationWhat we do
To be whole solution provider in Telecom, motive power and energy storage
Motive power
Telecom & IDC Energy storage
Stored Energy Solutions for a Demanding World!
• 70% site will be outdoor
• Outside temperature will be high through the year
• The power is rough with some sites
• Available cabinet have small space but need more capacity
• Serious theft situation
Why we want Lithium battery in telecom
Stored Energy Solutions for a Demanding World!
Item LiFePO4 NMC NCA
Nominal voltage (V) 3.2 3.7 3.6
Voltage range (V) 2.5-3.8 2.8-4.2 2.8-4.2
Specific energy (Wh/kg) 90-120 150-220 200-260
Charge rate 1C typical, 3C on some cells 0.7-1C typical 0,7-1.0C typical
Discharge rate 1C typical, 25C on some cells 0.5C typical, 3C on some cells 1C typical, 3C on some cells
Cycle life Above 3000 1500-2000 500-1000
Thermal runaway270°C (518°F) Very safe even if
fully charged
210℃ (410℉) typical. High charge
promotes thermal runaway
150°C (302°F) typical, High charge
promotes thermal runaway
Application
Portable and stationary needing
high load currents and endurance
Telecom/ESS/EV
Provides high capacity and high
power such as EV
EV/ESS/Telecom
Medical devices, industrial,
EV (Tesla)
Why we choose LiFePO4 battery in telecom
Stored Energy Solutions for a Demanding World!
Snapshot of LFP Snapshot of NMC Snapshot of NCA
Why we choose LiFePO4 battery in telecom
LiFePO4, best choice in telecom
NPFC Product introduction
Products:
LiFePO4 Lithium Battery
Type:
48NPFC series
Application:
Telecom, Energy storage system
What is our product
Model Specification H×W×D (mm)
48NPFC10 48V 10Ah 442*245*44 (1U)
48NPFC20 48V 20Ah 442*245*88 (2U)
48NPFC30 48V 30Ah 442*245*132.5 (3U)
48NPFC50 48V 50Ah 442*390*132.5 (3U)
48NPFC70 48V 70Ah 442*450*132.5 (3U)
48NPFC75 48V 75Ah 442*400*220 (5U)
48NPFC80 48V 80Ah 442*400*220 (5U)
48NPFC100 48V 100Ah 442*400*220 (6U)
Serials SpecificationWhat is our product
Cell: 15 cells series connection
BMS: Integrated Monitor/ protection
Connection system: power line & signal line
The composition of batteryWhat is our product
The composition: CellWhat is our product
NLC36130208PFPrismatic cell
15 cells into one group
Cell
Barcode
Heat shrink tube
NLC36130208PF specificationWhat is our product
Stored Energy Solutions for a Demanding World!
Prismatic cell designWhat is our product
Positive/Negative terminalCell cover
Cell tabs
Aluminum case
Cell group: Positive:LiFePO4 platesNegative: Graphite plates Separators: Organic material
Safety valve
Stored Energy Solutions for a Demanding World!
• High safetyOver Charge 3C/10V Nail Penetration
Before Test
After Test
Before Test
After Test
Under Test
After Test
Under Test
Heating test : 130℃ /30 min
Cell safety testWhat is our product
BMS Job: Make Battery Reliable And Safety !
1. Various protected function
2. Monitor voltage/current/temperature
3. high-efficiency cell balance function
4. LCD Display function
5. Dry contact function
6. Charge current limited function
7. Dormant function
8. Multiple communication interface
9. Narada customized/Modbus protocol
10. Maintenance management
11. Provide PC software to visualized operation
What is BMS Job?
Stored Energy Solutions for a Demanding World!
Monitor
1. Single cell voltage
2. Module voltage/current
3. Module capacity
4. Module/ambient
temperature
5. Charge/discharge
current…
Protection
1. Cell over/under voltage
2. Module over/under voltage
3. Over/under temperature
4. Charge/discharge over-
current
5. Short-circuit
6. Communication fail
7. …
Communication port
1. RS232
2. RS485
Built-in BMS functionWhat is our product
BMS protection parameterWhat is our product
BMS function Description Active point
Single cell over-charge
Over-charge protection threshold voltage
3.80±0.02V
Over-charge protection delay time 1.0-2.5s
Single-cell over-discharge
Over-discharge protection threshold voltage
2.80±0.02V
Over-discharge protection delay time
1.0-2.5s
Discharge recover threshold voltage 3.1±0.02V
Module over charge
Over-charge protection threshold voltage
56.0±0.3V
Over-charge protection delay time 1.0-2.5s
Over-charge recover threshold voltage
54.5±0.3V
Module over discharge
Over-discharge protection threshold voltage
42±0.3V
Over-discharge protection delay time
1.0-2.5s
Discharge recover threshold voltage 48.00±0.02V
Over current protection
Over-current protection delay time 1 in discharge
5.0±2s
Over-current protection 2 in discharge 90±4A
Over-current protection delay time 2 in discharge
500±50ms
Over-Current protection in charge 50±3A
Short circuit
Short circuit protection 150±10A
Protection conditionLoad short
circuit
detection delay time About 500us
Recover conditionLoad cut-off /
charge module
Over Temperature
protection
High temperature protection in charge 70±3℃
Recover temperature in charge 60±3℃
High temperature protection in discharge 70±3℃
Recover temperature in discharge 60±3℃
Low temperature protection in charge 0±3℃
Recover temperature in charge 5±3℃
Low temperature protection in discharge -10±3℃
Recover temperature in discharge 0±3℃
Stored Energy Solutions for a Demanding World!
ADD switch
SOC light
AlarmRun
RS232 MaintenanceReset2*RS485
Waterproof Louver
Steel handle
Terminal
Battery interfaceWhat is our product
No. Name Functions Remark
1 SOC Indicators for capacityThere are four green LED lights in front panel indicating SOC. SOC is short for state of charge. Each SOC LED light
represents 25% of rated capacity
CapacityLED Status
● ● ● ●
LED1 LED2 LED3 LED4
0-25% ON OFF OFF OFF
25%-50% ON ON OFF OFF
50%-75% ON ON ON OFF
75%-100% ON ON ON ON
Battery interfaceWhat is our product
No. Name Functions Remark
4 ADDAddress of
communication
ADD is applicable to modules connected in parallel. ADD consists of four binary bits, and maximum quantity of
batteries connected in parallel is 16pcs .
Battery interfaceWhat is our product
2 ALM Indicator for alarms There is one red LED light in front panel indicating alarms.
3 RUN Indicator for running status There is one green LED light in front panel indicating running status
Battery Status IndicatorRUN ALM SOC
Remark● ● ● ● ● ●
OFF or sleep mode / OFF OFF OFF OFF OFF OFF ——
Idle Normal0.25S ON3.75S OFF
OFF Battery SOC
Charge Normal0.5S ON0.5S OFF
OFF Battery SOC
Discharge Normal Continuous on OFF Battery SOC
Charge/discharge/Idle Protection According to battery
statusFlash ON OFF
Over-voltage under voltage ALM not flash
Charge/discharge/Idle BMS Fail OFF Continuous ON OFF Hardware fail
Battery interfaceWhat is our product
No. Name Functions Remark
5 RS232 Up-link communication portIt is adopting RS-232 series port to upload data, it only support single
battery communication. Also use for upgrading BMS firmware.
6 RS485Cascading communication
portIt is adopting RS485 series port communication pattern to upload data. It
can support multiple battery paralleling communication
RJ45 pins Definition
1 GND
2 RS485_A
3 RS485_B
4,5,6,7,8 Void
Battery interfaceWhat is our product
No. Name Functions Remark
7 RESET Reset buttonPress RESET button when abnormity occurs to assure stability of battery
performance.
8 Dry contact Dry contact indicators
Failure Alarm: indicate BMS or battery fail including but not limited to charge and discharge MOS fail, cell voltage under 0.5V, NTC disconnect.
Protection Alarm: Output short circuit, charge and discharge over current, charge and discharge over temperature/low temperature.
9 Power switch ON/OFF switchWhen turn-off, battery get into sleep mode, and cut-off output, the alarm
output also will be stopped.
Battery interfaceWhat is our product
No. Name Functions Remark
10 Battery Output Terminals for battery outputUsing terminals with four cores. Polarities are +, -, +, - from left to right.
The two ‘+’ and ‘-’ are equal relatively
11 LCD (optional) Display battery information Battery status, cell status, firmware version, protection/alarm
12 GND Ground screwConnect earth by flexible cable above 16AWG through earth connecting
hole on right side of cabinet back, assure well connection.
Battery interfaceWhat is our product
13Maintenance
InterfaceUsed for battery
maintenance
Using for measure cell/cells voltage and resistance.
Charge cell/cells directly with 2A current max.
Battery interfaceWhat is our product
Flexible InstallationWhat is our product
Four direction installation
PC software setting
Stored Energy Solutions for a Demanding World!
• We provide 485_to_USB adapter data cable. This module converts
485 signal to USB signal for PC.
ToolsWhat is our product
Stored Energy Solutions for a Demanding World!
PC interfaceWhat is our product
Stored Energy Solutions for a Demanding World!
PC interfaceWhat is our product
Stored Energy Solutions for a Demanding World!
PC interfaceWhat is our product
Application Demo
Stored Energy Solutions for a Demanding World!
LiFePO4 Battery
Electric Vehicle
Start-stop
Energy storage
Telecom
Application
Stored Energy Solutions for a Demanding World!
• 2010 Start provide Li-ion power solution to China Telecom and China Mobile
• 2011 Win current order from China Mobile
• 2012 Battery was deliveried to more than 4000 sites in China
• 2013 Sales volume USD32million
Inida 4G project-40000 sites
Narada is the first approved supplier Narada has gotten order of 23000 modules Total amount is 28million Expect sale volume of 2013 will be 33000 modules
Rich experience on LFP solution What is our product
Stored Energy Solutions for a Demanding World!
Rich experience on LFP solution
Operator: China TelecomSite :Sichuan DeyangAmbient: OutdoorSystem: 48V/10Ah
Operator: China TelecomSite : NantongAmbient: OutdoorSystem: 48V/10Ah
Stored Energy Solutions for a Demanding World!
Rich experience on LFP solution
Operator: China MobileSite : ChongqingAmbient: OutdoorSystem: 48V/200Ah
Stored Energy Solutions for a Demanding World!
Rich experience on LFP solution
Operator: Narada South Grid
Project: Energy storage
Capacity: 70KWh
Passageway
Outdoor
LV well
Passageway
FTTB/FTTO
Application - Telecom
FTTC
Application - Telecom
Stored Energy Solutions for a Demanding World!
Before installed
RRU
Application - Telecom
After installed
Stored Energy Solutions for a Demanding World!
China Mobile WLAN
Application - Telecom
48V/80Ah 2000VA system
Stored Energy Solutions for a Demanding World!
Rich experience on LFP solution
Operator: China Telecom
Project: IDC
Ambient: Indoor
Application - Telecom
Database
Narada E-Vehicle modules for GEMSEA
Customer GEMSEA
Rated Voltage 461V
Rated capacity 74Kwh
Cells quantity 144 *2 strings
Cell technology Li-Iron
Cell capacity 80Ah
Application E-bus
Narada E-Vehicle modules for Dongfeng Truck
Customer Dongfeng Motor Co., Ltd
Rated Voltage 340V
Rated capacity 36kWh
Cells quantity 92*15 strings
Cell technology NMC
Cell capacity 7Ah, pouch cell
Application E-Truck
NISSAN EV pick-up vans for communication maintenance
Item Unit Parameter
Cell Type / 60Ah(LFP)
Nominal voltage V 336
Voltage range V 262.5~383
Nominal energy Kwh 60.5
Mileage Km 280
Battery pack Battery box1+
battery
box2+battery
box 3
10S3P+10S3P+22S3P+63S
3P=105S3P
Additional battery
Box
/ Remove the rear seat and
add battery box, which can
increase battery energy, and
cargo space
Stored Energy Solutions for a Demanding World!
Narada Energy Storage System
Brief introduction
Narda ESS is a smart management system of
energy, ideally for micro-grid solutions, in order
to smooth power, track grid load and shave peak
Stored Energy Solutions for a Demanding World!
Lin'an city, Zhejiang province, China
Narada hybrid storage
Project highlights
The original hybrid storage system with both VRLA and
LFP batteries, controlled by integrated heat management
• PV generation: 57KWp
• Storage capacity: 2MWh
• VRLA capacity: 1.5MWh
• LFP capacity: 400KWh
• Project date: 2011.07
Application – Energy storage
Energy storage system for PGCIL (POWER GRID CORPORATION OF INDIA LIMITED)
19.2V/ 150Ah for each module
50
Battery Thermal Management Technology
Containerized battery thermal management system( temperature difference < 5˚C at the cell level
Air conditioners
Air inlet
Thanks!