byd solar streetlight introduction

BYD Solar Streetlight System

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Content

3 Solar Battery Module

BYD Fe Battery Module & Performance

BYD SSL Feature

BYD Solar Streetlight System

BYD SSL Feature

BYD LED solar street light serves as a market leading of eco-friendly lighting, and it integrates solar energy into LED lighting. Product Features: . No power consumption . Eco-friendly and long lifetime . No underground wiring, significantly lower operational and maintenance cost . Safely invest in LED lighting . High efficiency and low lumen depreciation, professional optics and thermal design . Equipped with Fe-Li battery (small volume, long cycle life, wide temperature range, and deep DOD) . Optical and intelligent control

PV/Wind power system

Fe battery power

Electric car

Fe Battery & Performance

http://cl.newmaker.com/news_25620.html

Fe battery &VRLA

Performance Fe battery VRLA

Cell voltage（V） 3.2 2

Weight ratio capacity（wh/kg） 110~130 30~50

Bulk ratio capacity （wh/l）

180~320 80~120

Cycle life at 1C,100%DOD ≥2000 cycles 250~350 cycles

High temperature performance 2000 cycles@25℃ 1000 cycles@45℃

300 cycles@25℃ 150 cycles@45℃

Low temperature performance (-20℃ capacity remained)

60% 55%

Self-discharge after 28 days at room temperature

3% 5%

Charge&discharge efficiency ＞97% 80%

Safety Good Good

Environment pollution status No pollution Pollution

Initial cost High Low

Fe battery & other battery

Item Performance comparing (Five stars means the best)

Lead acid Ni-MH Ni-Cd LiCoO2 Fe battery

Voltage（V） ★★ 2.1V

★ 1.2V

★ 1.2V

★★★★★ 3.7V

★★★★ 3.2V

Safety ★★★★ ★★★ ★★★★★ ★ ★★★★★

Cycle life (100% C&D)

★★ ~300 Cycles

★★★ ~500 Cycles



★★★★★ ＞2000 Cycles

Weight ratio capacity

★ 35Wh/kg

★★★ 80Wh/kg

★★ 50Wh/kg

★★★★★ 160Wh/kg

★★★★ 120Wh/kg

Bulk ratio capacity ★

80Wh/l ★★★

260Wh/l ★★

150Wh/l ★★★★★

420Wh/l ★★★☆ 310Wh/l

High discharge rate ★★★ ★★★ ★★★★★ ★★★★ ★★★★★

High temperature performance

☆ ★ ★★★★ ★★★ ★★★★

Low temperature performance

★★★★★ ☆ ★★★ ★★★ ★★★★

memory effect ★★ ★★ ☆ ★★★★★ ★★★★★

Environment pollution

☆ ★★★★ ☆ ★★★★★ ★★★★★

Cost ★★★★★ ★★ ★★★ ☆ ★★★

More space left to better the product

function.

Wh Efficiency more than 95%, makes the

energy storage system more efficient.

To fit the high ambient temperature even up to

60 ℃

Longer service time to reduce the

maintenance cost.

Less battery bulk, Longer service life,

Lower maintenance cost.

1.5 times cost than VRLA by the same

capacity. It will cost down quickly.

Green battery accumulator for

green energy

Fe Battery & VRLA

Voltage per Cell

Safety

Energy Density

Watt-hour Efficiency

High Temperature

Performace

Low Temperature

Performance

Cycle Life (100% DOD)

Enviroment Friendly

Cost (OPEX by Same

Capacity )

Cost (CAPEX)

Fe Battery

VRLA

Why is Fe Battery?

Stable discharge voltage(3.2V)

End of charge voltage 3.8V, end of discharge voltage 2.0V( 0.2C CC,25℃)

Advantages of Fe battery

Stable discharge platform

Safety

Long cycle life


High energy density

High charge & discharge rate

High energy efficiency

No pollution

Low cost

Stable crystal lattice

Stable chemical bond

Excellent structure design

No any heavy metal element Vent open, fire,

no explosion

Explosion acutely

Swelled Got fire and explosion

Fe cell LiCoO2 cell

150℃ Hot oven for 6h

32V1C Overcharge test

Fire test

Got fire and explosion Swelled


Safety

Long cycle life


High energy density



No pollution

Low cost

0

20

40

60

80

100

120

0 200 400 600 800 1000 1200 1400 1600 1800 2000

Cycle Number

Cap

acity(%

)

Test Condition: Charge/Discharge:0.5C/0.5C, 3.8~2.5V, 100%DOD at 25ºC Test Cell:FP053450A

Cycle test

R.T Charge/discharge at 1C rate: 2000 cycles

R.T Charge/discharge at 0.1C rate: 5000 cycles

Designed cycle life:10 years (Discharge frequency: twice a month)

R.T( Room Temperature) Charge/discharge at 100% DOD: 2000 cycles

R.T Charge/discharge at 30% DOD: around 6000 cycles




Safety

Long cycle life


High energy density



No pollution

Low cost

Cycle life curves on different temperature

Operating under 60℃,

No need for air conditioning

No need to change the charge parameters


Safety

Long cycle life


High energy density



No pollution

Low cost

For battery pack

Volume save:1/3-1/4

Weight save:1/2-1/3

VRLA Fe battery

Energy density (by weight)

★ 35Wh/kg

★★★☆ 120Wh/kg

Energy density (by volume)

★ 80Wh/l

★★★☆ 310Wh/l

VRLA

Capacity: 50Ah/20hr

Dimension:257*166*176mm

Weight: 18.5kg

Fe battery

Capacity: 50Ah/1hr or 20hr

Dimension: 420 *140 *112mm

Weight: 9kg

Energy Density

3580

120

310

0

100

200

300

400

By Weight (Wh/kg) By Volume (Wh/l)

VRLA Fe Cell


Safety

Long cycle life


High energy density



No pollution

Low cost

10C rate discharge, 90% capacity

10C rate discharge, 40% capacity

Backup time in half an hour:

4.2Ah Fe battery could replace the 7Ah VRLA

Fast charge/ discharge in one hour, suitable for bad grid area application


Safety

Long cycle life


High energy density



No pollution

Low cost

Less secondary reaction


To improve the efficiency of PV system

To lower down the system CAPEX

Efficiency of charge&discharge reaches 97%.

Fe battery（12V150Ah） 14.5V/50A charge

Discharge

current/A

Charge

time/min

Discharge

time/min

Charge

power /wh

Discharge

power/wh

Efficiency

/%

30 261.25 309.9 2060.57 1999.24 97.02

25 258.2 373 2061.56 2007.92 97.40

15 266.85 602.7 2001.43 1950.30 97.45

6.25 369.65 1497.1 2054.62 2025.93 98.60

VRLA battery (12V120Ah) 5A CC Charge & Discharge

Cycle

NO.

Charge

time/min

Discharge

time/min

Charge

power

/wh

Discharge

power/wh

Efficiency

/%

1 2311.00 1673.25 2096.09 1683.38 80.31

2 2567.50 1661.50 2240.95 1692.92 75.54

3 2545.83 1610.67 2275.40 1628.18 71.56


Safety

Long cycle life


High energy density



No pollution

Low cost

X Environment friendly

Cost down constantly

Fe is friendly to environment.

Main substance Fe


Safety

Long cycle life


High energy density



No pollution

Low cost

http://www.1to70.com/xxyz/2008-7-26/08726769.html

http://news.anhuinews.com/system/2006/08/04/001527805.shtml

Solar Battery Module

Si-Fe battery module mostly consisted of PV panel, Fe battery pack and controller. We offer the unique Si-Fe battery module solution which integrated PV panels, batteries and controllers.

Advantages: Long service life Energy efficiency Environment friendly

Structure of Si-Fe Module

Fe Battery

Including the BMS , and controlling part

Si-Fe Module

Solar Panel

Since BYD Fe battery’s superiority in volume and weight, we can integrate Solar Panel, Fe battery, Controller as a whole, which can make the easy installation\maintenance and guard against theft.

Module system circle chart

BMS

Prevent reverse charging MOS control

circuit

AC/DC Rectifier

Light sensor

Si-Fe module

AC in

Controller

Loads(LED street lamp)

NP-P130100-12V-8A-S-MI

NP-P130050-12V-8A-S-MI

PV Panel Peak Power 130Wp

Battery Accumulator 12V 90AH，BYD Fe Battery

Controller

12V 8A, with all-round protection: over charging、over discharging 、 over current and reverse connection when charging or discharging 、lightning.

Length×Width×Height[mm] 1490×684×103

Weight[kg] 46

Rating Output Voltage[V] 12.8VDC

Rating Output Current[A] 8~14.6Vdc

Over-Current Protection Current[A] 10

Control of Output Light-sensor

Cable 4mm2×1 copper cable for solar energy

Work Temperature -20~+55℃

Work Humidity 0~85%RH

Storage Temperature 0~+45℃

IP Grade IP65

Packing Box

Transport Compliance UN3090

Features: PV panel can convert sunlight to electricity which will be stored in the battery. Fe battery has excellent advantages such as long service time, excellent charge&discharge efficiency, safety, high energy density, nice temperature performance and no pollution. Integrated system has many advantages such as beautiful outlook、theft-protection, easy installation, no maintenance,etc.

Application on the square of Singapore government building.

BYD Si-Fe module was shown on the battery power product show in Malaysia.

byd solar streetlight introduction

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