SUNGZU SKA700T User manual

Shenzhen Sungzu Technology Co., Ltd
Address：Block 1, Jiuhua Tech Park, Xingwei Rd, Bao'an District, Shenzhen, China
Website：www.sungzu.com Phone/Fax：[phone]
SKA700T
Product specifications
Product Name：music power station
Product Model:SKA700T
Product Brand：
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catalog
1. Product overview ............................................................ 2
2. Product application ......................................................... 3
3. Product structure ........................................................... 3
3.1. Product Features .......................................................3
3.2. Product Plan and Dimensions ............................................4
4. Technical Parameters ........................................................ 4
5. Functional description ...................................................... 6
5.1. Charging capacity display ..............................................6
5.2. Discharge power display ................................................7
5.3. Temperature control system display .....................................7
5.4. Input display ..........................................................8
5.5. Output function ........................................................9
5.6. Audio button introduction .............................................11
5.7. LED lighting mode .....................................................12
5.8. Audio Operating Instructions ..........................................12
5.9. Emergency Lighting Operating Instructions .............................13
6. Product electrical characteristics ......................................... 14
6.1. System Design Parameters ..............................................14
6.2. Charging input port parameters ........................................14
6.3. USB output port ......................................................15
6.4. DC5521 output port parameters .........................................17
6.5. Type-C1 output port ...................................................18
6.6. Type-C2 output port ...................................................21
6.7. AC output port parameters .............................................24
6.8. Battery Pack Parameters ...............................................25
6.9. Audio parameters ......................................................26
7. Product actual test ........................................................ 27
7.1. Test items ............................................................27
7.2. Basic Functional Test Display .........................................28
8. Product packaging .......................................................... 30
8.1. Product packaging accessories .........................................30
8.2. Packing Dimensions and Specifications .................................31
9. Product handling and transportation ........................................ 31
10. Product Certification and Implementation Standards ........................ 31
11. Product troubleshooting and troubleshooting ............................... 32
12. Product care and maintenance .............................................. 32
13. For product manual, please read the "Product Manual" ...................... 32

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1. Product overview
This product is an outdoor recreation power station (multifunctional backup
power supply, hereinafter referred to as this product), which is mainly composed
of battery pack module, BMS module, inverter module, DC input/output module,
audio module, etc. The battery pack module uses lithium iron phosphate power
battery, which has the characteristics of stable safety, low energy consumption
for charging and discharging, and long service life, ensuring product safety and
durability.The inverter module uses a pure sine wave inverter to ensure the
stability and compatibility of the AC output. The information exchange between
the DC input and output module and the BMS module maximizes the charging and
discharging efficiency of this product, making transportation and use safer.
This product adopts LED digital screen display; dual-mode Bluetooth V5.0 is
compatible with Bluetooth V4.2 and V2.1+EDR technology, low power consumption,
fast transmission, and more stable signal; the main chip has built-in DSP sound
processing algorithm, CD-level lossless sound quality, Professional-level
listening enjoyment; 48-caliber full-range speaker unit, 360-degree surround
sound; independent low-frequency radiator bass is more powerful and shocking;
TWS mode can be shared and used by two devices simultaneously;The 360-degree
magic light show releases five kinds of RGB ambient lighting effects, which can
be switched at will with one button. The three lighting modes of emergency
lighting can be switched between strong light, soft light and SOS mode at will.
The safety and reliability of this product have been repeatedly tested and
verified by the company's R&D team for a long time. The product input can be
charged by four charging methods: solar panels, adapters, car chargers, and PD
fast charging. The product output supports 220V/ 110V, DC12V, USB and Type-C
fast charging output, AC output is suitable for electrical equipment below 700W.

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2. Product application
2.1. The application fields of this product include but not limited to:
2.2. Outdoor applications: camping, fishing, RV, self-driving, outdoor work,
lighting, etc.
2.3. Industrial applications: instruments and equipment, instrumentation,
testing devices, data acquisition, etc.
2.4. Household electricity applications: lighting, rice cookers, fans,
computers, refrigerators, televisions, etc.
2.5. Digital product applications: mobile phones, tablets, cameras, computers,
printers, game consoles, learning machines, etc.
2.6. Application of vehicle equipment: vehicle refrigerator, vehicle kettle,
vehicle air pump, vehicle rice cooker, etc.
3. Product structure
3.1. Product Features

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3.2. Product Plan and Dimensions
length（mm）
Width(mm)
high(mm)
weight(Kg)
180mm
183mm
320mm
6.1Kg
4. Technical Parameters
No
Electrical
Characteristics
Parameter
1
product
input
adapter
19Vdc / 4.74A/ 90W (MAX)
solar panel
18Vdc～44Vdc/ 120W (MAX)
60W
bidirectional
PD
60W (MAX)
2
product
output
AC output
output voltage
220V±3% 50Hz/110V±3% 60Hz
continuous
output
700W（pure sine wave）
Peak power
1400W±3%
harmonic
distortion
＜5%
Conversion
efficiency
≥88%
output ripple
≤500mV
DC 12V output
2×DC5521
12Vdc 10A 120W（MAX）
Conversion
efficiency
≥92%
USB
5V/3A,9V/2A,12
V/1.5A
Support
QC3.0/QC2.0/AFC/FCP/SCP/PE2.0/PE1.1/
SFCP/BC1.2 etc agreement

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Conversion
efficiency
≥92%
Type-C2(36W)
5V/3A,9V/3A,
12V/3A,
Support
PPS/PD3.0/PD2.0/QC4+/QC4/QC3.0/QC2.0/A
FC/FCP /SCP/PE2.0/PE1.1/SFCP etc
agreement
Conversion
efficiency
≥92%
Type-C1(60W
bidirectional
)
5V/3A,9V/3A,
12V/3A,
15V/3A,
20V/3A
Support
PD3.0/PD2.0/QC3.0+/QC3.0/QC2.0/AFC/FCP
/
SCP/SFCP/Apple/DRP Try.SRC etc
agreement
Conversion
efficiency
≥93%
3
battery
cell
battery
capacity
16V/31Ah (3.2V 155000mAh )
battery pack
IFR32140 LiFePO4 5S×2P (10pcs cells）
cycle life
2000 cycle capacity≧80%
4
Audio
Bluetooth
Dual-mode Bluetooth V5.0 compatible with Bluetooth V4.2
and V2.1+EDR technology
power
10W*2
Frequency
response
20HZ-20KHZ
transmit
power
≤9dBm(EIRP)
occupying
bandwidth
≤ 1MHz
Frequency
Range
2400-2483.5MHz
Distortion
<1%
5
Static
power
Static power
consumption
of the whole
machine
≤200UA
6
working
environme
nt
temperature
0℃～45℃
humidity
10%-80%RH
7
storage
environme
nt
temperature
-10℃～60℃
humidity
10%-65%RH

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5. Functional description
Through the display, you can check the product power, input and output power,
temperature, frequency and other information.
5.1. Charging capacity display
When the product is connected to the charger for charging, the display
will show the corresponding charging interface type icon and charging
power, and the battery icon will increase.(for example, if the battery is
50% originally, it will increase by 1 grid every 0.5s from the 2nd grid,
and after 4 grids, the battery will return to display 1 grid, and this
cycle)
1) When the power is 0% to 19%, the battery indicator bar will increase
and cycle from the first grid to the top;
2) When the power is 20% to 39%, the first grid of the battery indicator
bar is always on, and the second grid is cycled upwards;
3) When the battery is 40% to 59%, the 1st and 2nd grids of the battery
indicator bar are always on, and the 3rd grid increases and circulates
upwards;
4) When the power is 60% to 79%, the 1st, 2nd, and 3rd grids of the
battery indicator bar are always on, and the 4th grid increases upwards
and circulates;
5) When the battery is 80% to 99%, the 1st, 2nd, 3rd, and 4th bars of
the battery indicator bar are always on, and the 5th bar flashes in 0.5S;
6) When the battery is 100%, the 1st, 2nd, 3rd, 4th, and 5th cells of
the battery indicator bar are always on, indicating that the battery is

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fully charged.
5.2. Discharge power display
1) When the product is not charging, the display will display the
current battery level; the 5 grid lights indicate that the battery
level is 20%, 40%, 60%, 80%, and 100%.
5.3. Temperature control system display
① This product has a built-in intelligent temperature control system.
When the internal temperature of the product is higher than 45 ° C, the
cooling fan will automatically start and automatically shut down when the
internal temperature of the product drops below 45°C.
②When the temperature of the working environment is too high or too low,
a high temperature or low temperature prompt will be displayed on the display
screen. If the temperature is too high or too low, the machine may not work
normally. It is not a product quality problem. Please pay attention to the
use environment.

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5.4. Input display
Charging mode: DC 19V adapter, car adapter, 18V~44V solar panel, Type-C1
PD60W can be used to charge this product bidirectionally; the adapter and
"Type-C1 PD60W bidirectional" can be used to charge at the same time, and the
maximum power can reach 140W; Using solar energy and "Type-C1 PD60W
bidirectional" charging, the maximum power can reach 180W; when the power is
higher than 90W, the fan will be turned on automatically, and the screen will
display the corresponding icon and input power being input for charging, the
battery icon will be in a horse racing state, and the battery percentage will
increase accordingly. The content of the scene light runs from both sides to
the middle, and the state of the colorful LED breathing light (the default
white light effect can be freely switched by clicking the light effect button
to freely switch between seven monochrome breathing light effects).(As shown
in the picture below)
Note: The DC input charging port and the solar input charging port cannot be
charged at the same time.

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5.5. Output function
① DC12V output: click the "DC switch button" to turn on the DC12V DC
output, the screen will display the DC output icon, output power, battery
icon and power percentage, and the scene lights will run from the middle to
both sides; at this time, the DC 12V electrical equipment can be connected ,
the battery percentage and the battery icon decrease accordingly; click the
"DC switch button" again to turn off the DC output.(As shown in the picture
below)
②USB and Type-C output: Click the "USB switch button" to turn on the USB
and Type-C DC output, the screen will display the USB output icon, Type-C
output icon, output power, battery icon and battery percentage, and the scene
light will start from the middle Run horses to both sides; at this time, you
can connect "USB QC18W", "Type-C1 PD60W", "Type-C2 PD36W" electrical
equipment, and the percentage of power and the battery icon will decrease
accordingly; click the "USB switch button" again, Turn off USB and Type-C
output.(As shown in the picture below)

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③AC output: Click the "AC switch button" to turn on the AC output, the
screen will display the AC output frequency icon, output power, battery icon
and battery percentage, and the scene lights will race from the middle to
both sides;At this time, you can connect electrical equipment with AC
constant power below 700W and resistive equipment below 1400W, and the
battery percentage and battery icon will decrease accordingly; click the "AC
switch button" again to turn off the AC output.(As shown in the picture below)
④AC output frequency switching: Click the "AC switch button" to turn on
the AC output, the screen will display the AC output frequency, press and
hold the "AC switch button" for 10 seconds, the AC frequency can be switched
between 50Hz/60Hz.(As shown in the picture below)

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⑤ Charge while discharging: This device supports the function of
discharging while charging. The display screen shows the same steps as 4.3-
4.4, the scene lights are running from the two sides to the middle, and the
state of the colorful LED breathing lights.(As shown in the picture below)
⑥Note: AC and DC12V cannot be used at the same time; when the load is
abnormal, the scene light will flash for 30 seconds, such as: overload
protection, over-current protection, short-circuit protection, low-voltage
protection, etc.;When the battery level shows 3%, the AC cannot be turned on,
and when the battery level shows 0%, all functions cannot be turned on, and
it needs to be charged in time.
5.6. Audio button introduction
Icon
Button
function
Audio button
Long press to power on/off, short press to
play/pause, double click for TWS mode.
Volume +
Short press to increase volume, long press
to play next song.
Volume -
Short press to decrease volume, long press to
previous song.
Light effect
button
Short press to switch the lighting effect, long
press to turn on/off the lighting effect,double-
click to clear/reconnect to Bluetooth.

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5.7. LED lighting mode
lighting
effect
Description
monochrome
spectrum
The spectrum of monochrome running upwards, 2S cuts the
next color, and the background color is white
Colorful
Rhythm
Spectrum
The spectrum running upwards, one light and one color, a
total of 10 lights and 10 colors are synchronized left and
right, no background color
streamer
light
Seven colors
red and blue
lights
The left and right sides are fixed and alternately
flashing
Colorful
breathing
lights
Colorful automatic color switching
5.8. Audio Operating Instructions
①Press and hold the "audio switch button" to turn on the machine,
accompanied by start-up sound and light effects, the sound is waiting for
connection, the colorful LED ice blue breathing light is always on, the
pairing name is [700T], and only in this state you can connect the device
correctly;There will be a sound prompt when the Bluetooth connection is
successful, the colorful LED monochromatic spectrum is a pause light effect,
and the audio can be played normally. If you press and hold the "audio switch
button" of this product again, it will be turned off, accompanied by the
sound effect and light effect of the shutdown.

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②TWS mode on/off: Select two the machines, and press and hold the
two "audio switch button" to start up, enter the Bluetooth waiting for
connection state, double-click any one of the "sound switch button" to turn
on the TWS mode (double-click's machine to default to the host), the
interconnection is successful and accompanied by voice prompts,the colorful
LED light is synchronized with the light effect of the host. At this time,
the audio of the two machines can be connected to the Bluetooth device for
synchronous sharing. (Note: Connect the Bluetooth device after the TWS mode
interconnection is successful.)
③LED lighting effect mode switching：when the audio is turned on
and waiting to be connected, the default ice blue lighting effect, short
press the "lighting effect button" to switch between monochrome spectrum,
seven colors rhythm spectrum, streamer light, red and blue light, seven
colors breathing, long press to turn on / Turn off the LED light effect mode.
5.9. Emergency Lighting Operating Instructions
Lighting on/off: Click the "lighting button" to turn on the light,
short press the "lighting button" to switch between strong light, soft
light, and SOS mode lighting effects in turn, and long press to turn off
the light.

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6. Product electrical characteristics
6.1. System Design Parameters
term
minimu
m
value
standa
rd
maximum
value
remark
Boot mode and
response time
1s
Short press the AC/DC/USB button to
wake up the system and turn it on
(light up the screen), and at the same
time turn on the corresponding output;
short press the AC/DC/USB button again
to turn off the corresponding output,
then it will enter the sleep state
after 10S
Charging high
temperature
protection
40℃
45℃
50℃
This temperature detection is judged by
the system software
Charging low
temperature
protection
-5℃
-0℃
2℃
This temperature detection is judged by
the system software
6.2. Charging input port parameters
term
minimum
value
standard
maximum
value
remark
Charging input
voltage
18V
19V
22V
DC charging current
--
4.2A
--
Optional output is 19V/4.7A
adapter
Solar charging
voltage
18V
44V
Support MPPT solar charging
Charge cut-off
current
---
---
1A
Judging the full current by the
battery pack
Input Polarity
Reverse Protection
---
support
---
Cannot charge when the input is
reversed, no prompt
Input short circuit
protection
---
support
---
Cannot charge when the input is
short-circuited, no prompt
adaptive charging
support
Type-C1 PD60W
bidirectional
charging
PPS/PD3.0/PD2.0/QC4+/QC4/QC3.0/QC2.0/AFC/FCP/SCP/PE2.0/PE1.1/SFCP

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6.3. USB output port
term
minimum
value
standard
maximum
value
remark
5V no-load
output voltage
4.70V
5.00V
5.30V
Under the condition of no-load output,
measure the voltage of the USB output port
of the product (the length of the
discharge line is 30cm, 20 copper cores,
and the diameter of a single copper core
is 0.14mm)
5V full load
output voltage
4.70V
5.00V
5.30V
Under the condition of no-load output,
measure the voltage of the USB output port
of the product (the length of the
discharge line is 30cm, 20pcs copper
cores, and the diameter of a single copper
core is 0.14mm)
5V rated output
current
---
3.0A
---
Electronic load terminal
5V port output
ripple
---
---
95mV
Rated conditions, set the bandwidth of the
oscilloscope to 20MHz, connect the test
terminal with 10μF electrolytic capacitor
and 0.1μF ceramic capacitor in parallel
5V Short Circuit
Protection
support
When the output is short-circuited, the
output is automatically turned off, and
the output is automatically restored when
the fault is removed.
5V Output
Overcurrent
Protection
3.1A
3.3A
3.5A
In case of over-current protection, the
output is automatically turned off, and
the output is automatically restored when
the fault is removed.
5V Output
Conversion
Efficiency
85%
---
94%
Load greater than 500mA, test PCB board
terminal voltage
9V no-load
output voltage
8.50V
9.00V
9.50V
Under the condition of no-load output,
measure the voltage of the USB output port
of the product (the length of the
discharge line is 30cm, 20pcs copper
cores, and the diameter of a single copper
core is 0.14mm)
9V full load
output voltage
8.50V
9.00V
9.50V
Under the condition of full output output,
measure the voltage of the USB output port
of the product (the length of the
discharge line is 30cm, 20pcs copper
cores, and the diameter of a single copper
core is 0.14mm)
9V rated output
current
---
2.00A
---
Electronic load terminal

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9V port output
ripple
---
---
140mV
Rated conditions, set the bandwidth of the
oscilloscope to 20MHz, connect the test
terminal with 10μF electrolytic capacitor
and 0.1μF ceramic capacitor in parallel
9V Output
Overcurrent
Protection
3.1A
3.3A
3.5A
In case of over-current protection, the
output is automatically turned off, and
the output is automatically restored when
the fault is removed.
9V Output Short
Circuit
Protection
---
support
---
When the output is short-circuited, the
output is automatically turned off, and
the output is automatically restored when
the fault is removed.
12V no-load
output voltage
8.55V
12.00V
12.50V
Under the condition of no-load output,
measure the voltage of the USB output port
of the product (the length of the
discharge line is 30cm, 20pcs copper
cores, and the diameter of a single copper
core is 0.14mm)
12V full load
output voltage
8.55V
12.00V
12.50V
Under the condition of full output output,
measure the voltage of the USB output port
of the product (the length of the
discharge line is 30cm, 20pcs copper
cores, and the diameter of a single copper
core is 0.14mm)
12V Rated output
current
---
1.5A
---
Electronic load terminal
12V port output
ripple
---
---
140mV
Rated conditions, set the bandwidth of the
oscilloscope to 20MHz, connect the test
terminal with 10μF electrolytic capacitor
and 0.1μF ceramic capacitor in parallel
12V overcurrent
protection
3.1A
3.3A
3.5A
In case of over-current protection, the
output is automatically turned off, and
the output is automatically restored when
the fault is removed.
12V Output Short
Circuit
Protection
---
support
---
When the output is short-circuited, the
output is automatically turned off, and
the output is automatically restored when
the fault is removed.

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6.4. DC5521 output port parameters
term
minimum
value
standard
maximum
value
remark
DC no-load
output voltage
12V
---
14V
The terminal voltage when the product
is no-load and stable output
Full load output
voltage
11.5V
---
14V
The terminal voltage of the product
with rated load and stable output
Rated output
current
10A
The product can work stably for a long
time
Port output
ripple
---
---
300mV
Rated conditions, set the bandwidth of
the oscilloscope to 20MHz, connect the
test terminal with 10μF electrolytic
capacitor and 0.1μF ceramic capacitor
in parallel
efficiency
90%
---
95%
Load greater than 500mA, test PCB board
terminal voltage
Output
overcurrent
protection
10.5A
11A
12A
If the current exceeds the current,
the output of the port will be
automatically turned off, and the
"scene light" icon on the screen will
flash, and the fault needs to be reset
by pressing the button.
Short circuit
protection
---
support
---
When the DC output is short-circuited, the
output will be automatically turned off,
and the "scene light" icon on the screen
will flash, and the button needs to be
pressed to restore the fault.

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6.5. Type-C1 output port
term
minimu
m
value
standar
d
maximu
m
value
remark
5V no-load output
voltage
4.75V
5.00V
5.25V
Under the condition of no-load output,
measure the voltage of the USB output port
of the product (the length of the discharge
line is 30cm, 20pcs copper cores, and the
diameter of a single copper core is 0.14mm)
5V full load output
voltage
4.75V
5.00V
5.25V
Under the condition of full output output,
measure the voltage of the USB output port
of the product (the length of the discharge
line is 30cm, 20pcs copper cores, and the
diameter of a single copper core is 0.14mm)
5V rated output
current
---
3.0A
---
Electronic load terminal
5V port output
ripple
---
---
20mV
Rated conditions, set the bandwidth of
the oscilloscope to 20MHz, connect the
test terminal with 10μF electrolytic
capacitor and 0.1μF ceramic capacitor in
parallel
5V Short Circuit
Protection
---
support
---
When the output is short-circuited, the
output is automatically turned off, and the
output is automatically restored when the
fault is removed.
5V output over-
current protection
3.10A
3.40A
3.50A
When the output is over-current, the
output is automatically turned off, and
the output is automatically restored
after the fault is removed.
5V output conversion
efficiency
---
85%
---
Load greater than 500mA
9V no-load output
voltage
8.55V
9.00V
9.45V
Under the condition of no-load output,
measure the voltage of the USB output port
of the product (the length of the discharge
line is 30cm, 20pcs copper cores, and the
diameter of a single copper core is 0.14mm)
9V full load output
voltage
8.55V
9.00V
9.45V
Under the condition of full output output,
measure the voltage of the USB output port
of the product (the length of the discharge
line is 30cm, 20pcs copper cores, and the
diameter of a single copper core is 0.14mm)
9V rated output
current
---
3.00A
---
Electronic load terminal
9V port output ripple
---
---
30mV
Rated conditions, set the bandwidth of
the oscilloscope to 20MHz, connect the
test terminal with 10μF electrolytic