Blackview Oscal PowerMax 300 AC/DC Output 266Wh Portable Power Station

$399.99 $209.99
In Stock Pre order Out of stock

✔266 watt-hour 18650 lithium-ion battery with 300W AC Output
✔8 Outlets for Charging: 1*12V/10A Car Charging; 2*DC Output 12V/5A; 3*USB-A Output 18W(Max); 1*USB-C Output 60W(Max); 1*AC Output 300W(Total)
✔Support Solar Panel Recharge
✔5W LED Light
✔Product dimensions: L244*W171.4*H177mm; Weight: 3.81kg

Note: This is a EU Warehouse Stock item, it can just ship to these countries w/ FREE SHIPPING: Germany, Italy, France, Spain, Netherlands, Austria, Belgium, Sweden, Portugal, Poland, Czechia, Hungary, Denmark, Romania, Estonia, Latvia, Lithuania, Luxembourg, Slovakia, Slovenia, Bulgaria.

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Description
PowerMax 300 Pick up Effortlessly,
Leisure Doubles Continuously
Maximal Portability Light at only 3.5kgs
Boost Efficiency for
Off-grid Life
266Wh Capacity
NCM Battery Cell Higher Energy Density for
Longer Lifespan
Up to 5 Years
Lifespan
Over 1000+ Battery Cycles
Sustainable and
Recyclable Material
PC+ABS Material
80% Charge in about 4.5Hrs
Built-in MPPT for More Effective Solar Charging
AC charging /Solar charging/Car charging
AC charging
Solar charging
Car charging
Flexible Ports That Support 99% of Devices
8 Outlets for Charging
1*AC / 2*DC/1*USB-C+3*USB-A/1*Car Charging
Sleep-friendly Operation Charging Silently at 35 dB
5W LED Light Illumination Mode
& SOS Mode
Mightier Battery Management System
with 9-layer Protection
Multiple Protections for Enhanced Safety
60W USB-C Lightning-Fast Charging
Intelligent Cooling Fan--
Temperature Reduction by 25°C
Constant Temperature Control
Large Responsive Buttons Easy-to-press &
Error-proof
Large LCD Screen &
Large Fonts
Effortless Reading even for Seniors
Ergonomic Handle & Anti-collision Strip
Easy-to-carry and Scratch-resistant
Intelligent Cooling Fan--
Temperature Reduction by 25°C
Constant Temperature Control
Why Choose PowerMax 300?
Up to 5 Years
Lifespan
80% Charge in
about 4.5Hrs
Flexible Ports That
Support 99% of Devices
Recyclability Meets
Convenience
NO.1 Up to 5 Years Lifespan
Portable in Design,
Durable in Performance
Maximal Portability Light at only 3.5kgs
Boost Efficiency for
Off-grid Life
266Wh Capacity
NCM Battery Cell Higher Energy Density for Longer Lifespan
Up to 5 Years Lifespan
1000+ Battery Cycles
Functional from -10°C to 40°C Work in Extreme Cold & Heat
Off-Road
RV Life
Biking
Camping
Fishing
Hiking
Beach
Road Trip
Emergency
Power Outages
Natural Disasters
CPAP
Maximal Portability Light at only 3.5kgs

Don't underestimate the portability of the PowerMax 300, as its weight of only 3.5kgs allows you to move with just one hand with ease, even when you need to carry a bulky travel bag when camping, biking, fishing, and more.

Boost Efficiency for Off-grid Life 266Wh Capacity
With enough capacity to continuously power your CPAP while sleeping, a drone for recording memories while hiking, or lights in the dark, the PowerMax 300 makes your off-grid life more comfortable and efficient.
Up to 5 Years Lifespan Over 1000+ Battery Cycles

The NCM battery selected for PowerMax 300 has
a remarkable lifespan of up to 5 years based on
estimated usage of five cycles per week, due to its ability to endure over 1000+ battery cycles.

Phones
(3055mAh) 21.2Charges (5W)
42.5Hrs
Tablet
(25Wh) 8.5 Charges (15W)
14.1Hrs
Smart Watch
(5Wh) 42.5 Charges (1W)
42.5Hrs
Projectors
(50Wh) 4.2 Charges (250W) 0.8Hrs
Portable Speaker (20Wh)
10.6 Charges (25W)
8.5Hrs
Digital cameras (13Wh)
15.4 Charges (5W)
42.5Hrs
1000+ Battery Cycles
* The above may vary due to different conditions.
Portable DVDs
(1500mAh) 15.8 Charges (20W)
10.6Hrs
Functional from -10°C to 40°C Work in Extreme Cold & Heat

Even in temperatures as high as 40 degrees or in extreme cold environments , the Oscal PowerMax 300 is able to continue functioning without compromising its usage time and charging efficiency.

NO.2 80% Charge in about 4.5Hrs
Built-in MPPT for
More Effective Solar Charging
AC charging 6 Hrs
Solar charging 6 Hrs
Car charging 7 Hrs
* The above data comes from Oscal laboratory, which may vary due to different conditions
AC Charging Wake up and Ready to Go

Just a relaxing nap, you can almost harvest a fully charged power station at home to prepare for the next off-grid adventure.

55W(Max) Input
6 Hrs* Full Charge
* The above data comes from Oscal laboratory, which may vary due to different conditions.
Solar Charging Eco-friendly Charging with “0” Emission

Can't find a place to recharge when you're hiking far from the city? Look at the sun overhead and take advantage of renewable solar energy resources to recharge your power station anytime, anywhere.

55W(Max) Input
6 Hrs* Full Charge
* Recharging time varies depending on location, temperature, weather, etc.
Car Charging Make the Most Use of Your Car
55W(Max) Input

Driving and recharging at the same time during a self-drive tour is more enjoyable, as it allows you to keep going and store power for the rest of your trip.

7 Hrs* Full Charge
Solar Recharging Steps: 1. Find the PV interface on the back of the Solar Panel.
2. Connect the PV interface of Solar Panel with the PV of Oscal PowerMax 300.
*Solar panels are not included.
*The above data comes from Oscal laboratory, which may vary due to different conditions.
Mightier Battery Management System
with 9-layer Protection
Multiple Protections for Enhanced Safety

The Battery Management System used in PowerMax 300 is to safeguard the battery from damage in various operating conditions, providing you with a more secure experience.

9-layer Protection
Over Current
Protection
Flow Rate
Protection
Short Circuit
Protection
Over Voltage
Protection
Under Voltage
Protection
Over-temperature
Protection
Low-temperature
Protection
Over-charging
Protection
Overloading
Protection
NO.3 Flexible Ports That Support 99% of Devices
8 Outlets for Charging
Phones (5W)
42.5Hrs
Tablet (15W)
14.1Hrs
Smart Watch (5W)
42.5Hrs
Projectors (250W)
0.8Hrs
Portable Speaker (25W)
8.5Hrs
Portable DVDs (20W)
10.6Hrs
Mini Fridge (60W)
3.5Hrs
Mini Fan (25W)
8.5Hrs
Fishing Electronic Scale (15W)
14.1Hrs
Drones (70W)
3Hrs
Digital Cameras (13Wh)
15.4Charges
Laptops (50W)
4.2Hrs
Night Fishing Light (50W)
4.2Hrs
GPS (5W)
42.5Hrs
Heart Rate Monitor (5Wh)
42.5Charges
32“ TV (50Wh)
4.2Charges
Blood Pressure Monitor (5Wh)
42.5Charges
Switch (16Wh)
13.3Charges
Survey Camera (20W)
10.6Hrs
Gopro (5.9Wh)
36Charges
Kindle (5Wh)
42.5Charges
Patient Monitor (100W)
2.1Hrs
CPAP (30W)
7Hrs
Portable Defibrillators (5Wh)
42.5Charges
Air Purifier (50W)
4.2Hrs
NCM Battery Cell Higher Energy Density
for Longer Lifespan

Equipped with the NCM battery, PowerMax 300 has higher energy density with more energy in the same volume for longer
battery lifespan
, while having a slow
decrease in performance.

1*12V/10A Car Charging
2*DC OUTPUT 12V/5A
3*USB-A OUTPUT 18W(Max)
1*USB-C OUTPUT 60W(Max)
1*AC OUTPUT 300W(Total)
1*300W Pure Sine Wave AC Inverter Meet the Needs of Most Electronic Devices

The 300W pure sine wave AC outlet carried by the PowerMax 300 can power most
electronic devices
, so you will not get lost due to dead phone or tablet, being boldly free to travel on-the-go, hiking, fishing and more.

Mini Fridge
(60W)
3.5Hrs
Fishing Electronic Scale
(15W)
14.1Hrs
Mini Fan
(25W)
8.5Hrs
Projectors
(250W)
0.8Hrs
Night Fishing Light
(50W)
4.2Hrs
* Supported devices for part reference only.
1*AC: 300W Output(Surge 600W) * The 600W output that reaches 200ms will be cut off for protection.
2*DC Output Secure and Efficient Charging

12V DC output ensures high efficiency charging with low charging losses and low impact on battery life.

2*DC5525: 12V/5A Output
Drones
(70 W)
3Hrs
Speaker
(150W)
1.4Hrs
Portable DVDs
(20W)
10.6Hrs
Survey Camera
(20W)
10.6Hrs
Digital cameras
(13Wh)
15.4Charges
3*USB-A+1*USB-C
Release Your Personality Naturally

Charge your smart devices while having fun. PowerMax 300 saves you from the anxious state of off-grid travel by powering your phones, tablets, laptops, and more.

Phones
(5W)
42.5Hrs
Tablet
(15W)
14.1Hrs
Smart Watch
(5W)
42.5Hrs
Laptops
(50W)
4.2Hrs
Heart Rate
Monitor
(5Wh)
42.5
Charges
GPS
(5W)
42.5Hrs
Blood Pressure
Monitor
(5Wh)
42.5
Charges
3* USB A= 18W USB-A output*3
1* USB C= 60W USB-C output*1
60W USB-C Lightning-Fast Charging

Thanks to USB-C fast charging technology, you can charge a phone (3055mAh) from 0 to 80% in only 15 minutes by using our USB-C port. Therefore, when you are
eagerly waiting for a video call, the device will already be fully prepared.

Charge a Phone (3055mAh) from 0-80%
USB-C PD 60W: Only 15 Mins
Phones (3055mAh)
10 Mins
Smart Watch (5Wh)
5 Mins
Laptops (50Wh)
50 Mins
Mini Fridge (50Wh)
50 Mins
Switch (16Wh)
16 Mins
Projectors (50Wh)
50 Mins
32“ TV (50Wh)
50 Mins
Gopro (5.9Wh)
5.9 Mins
Drone (89.2Wh)
1.5Hrs
Car charging Be Your Loyal Backup Power Source

If the power goes out suddenly, you can use the car charging port to power your mini fridge for brunch.

1* Car Charging:12V/10A Output
Mini Fridge
(50W)
4.2 Charges
*Supported devices for part reference only.
No.4 Recyclability Meets Convenience
More to Eco-friendliness,
More to Convenient Operation
Sleep-friendly Operation Charging Silently at 35 dB
Sustainable and
Recyclable Material
PC+ABS Materials
Intelligent Cooling Fan--
Temperature Reduction by 25°C
Constant Temperature Control
Ergonomic Handle &
Anti-collision Strip
Easy-to-carry and Scratch-resistant
Large LCD Screen &
Large Fonts
Effortless Reading even for Seniors
Large Responsive Buttons Easy-to-press & Error-proof
5W LED Light Illumination Mode &
SOS Mode
Sustainable and Recyclable Material PC+ABS Material

PC+ABS material combines the advantages of environmental friendliness, toughness and high-temperature resistance . Its toughness can withstand accidental impacts while its recyclability helps to reduce resource waste, making it more suitable for green travel.

Sleep-friendly Operation Charging Silently at 35 dB

Any noise generated by our power station is minimal, averaging about 35db, a level similar to the quiet rustling of leaves . It will not produce loud noises like a generator, ensuring a peaceful sleep for you.

*Noise during operation is less than 35db without fan, less than 70db when the fan is activated.
Intelligent Cooling Fan--
Temperature Reduction by 25°C
Constant Temperature Control

Fan ensures stable operation and prevents a decrease in charging efficiency due to overheating, reducing the maximum discharge temperature from 65 degrees to 40 degrees.

Fan Speed
4000RPM
* Fan will start automatically when:
Cell Temperature
≥ 45 degrees
Output power
≥ 60% of the rated load
Large LCD Screen & Large Fonts Effortless Reading even for Seniors

The readable LCD display carried by PowerMax 300 allows real-time tracking of battery power, displaying recharging power, and AC, DC, USB output power.

Smart Cooling Fan
LED Light Temperature Alarm
Input Status DC Output Status
Battery Capacity AC Output Status
USB Output Status
Large Responsive Buttons Easy-to-press & Error-proof

Large buttons offer easy operation, making it easier to locate and improving your operational efficiency . You can accurately find the desired buttons without making a mistake.

Master Switch AC Switch LED Light Switch
Ergonomic Handle & Anti-collision Strip Easy-to-carry and Scratch-resistant

Considering the tough conditions of outdoor adventure, PowerMax 300 is more thoughtfully designed with an ergonomic handle so that it can be easily lifted and moved with just one hand , while adopting anti-collision strip made of fire-resistant PC+ABS material to prevent accidental scratches.

5W LED Light Illumination Mode & SOS Mode

The 5W SOS warning light can save your life in case of encountering danger during off-grid adventures, not just for the usual wilderness lighting.

* How to switch the mode of LED light?
Normal Illumination Mode: short press 1
time to turn on, then short press 1
time to turn off.
SOS Mode: short press 2 times in a row to
SOS mode, short press 1 time to normal
mode, and then short press 1 time to close.
What You Get?
100-240V AC power adapter*1
266Wh Oscal
PowerMax 300*1
User Manuals 12V Car
Charging cable
PowerMax 300
  • Battery Info
    • Battery Capacity
      266Wh
    • Battery Type
      18650 Ternary lithium-ion Battery Cell
    • Battery Life Cycles
      1000+ Cycles to 80% of Original Capacity
    • Battery Shelf-life
      Do a charge/discharge cycle and charge
      to 50% after 3 Months
    • Battery Management System
      SOC, BMS, etc
  • OUTPUT
    • AC Outlets
      300W Output x1
      Inverter Type: Sine Wave
      Surge Power:600W
    • USB-C Port
      USB-C 60W X1
    • USB-A Port
      USB-A 18W X3
    • 12V* DC Outlets
      12V/10A DC 5525 X2
  • INPUT
    • AC Adapter Input
      230V (Max)
      Recharging times: 6-7 Hrs
    • Solar Input
      55 W (Max)
      Recharging times: 6-9Hrs
      (With prime sunshine, ideal orientation,
      and low temperature)
    • Car Input
      55W (Max)
      Recharging times: 7-9Hrs
  • GENERAL
    • Weight:
      3.81KG
    • Dimensions (LxWxD):
      L244*W171.4*H177mm
    • Charging Temperature
      0℃~40℃ (32F~104F)
    • Discharging Temperature
      -10℃ ~40℃ (14F~104F)
PowerMax 300 Pick up Effortlessly,
Leisure Doubles Continuously
Maximal Portability Light at only 3.5kgs
Boost Efficiency for
Off-grid Life
266Wh Capacity
NCM Battery Cell Higher Energy Density for Longer Lifespan
80% Charge in about 4.5Hrs Built-in MPPT for More Effective Solar Charging
AC charging Solar charging Car charging
Flexible Ports That Support
99% of Devices
8 Outlets for Charging
1*AC / 2*DC/1*USB-C+3*USB-A/1*Car Charging
Sleep-friendly
Operation
Charging Silently at 35 dB
5W LED Light Illumination Mode
& SOS Mode
Mightier Battery
Management System with
9-layer Protection
Multiple Protections for
Enhanced Safety
Large Responsive Buttons Easy-to-press
& Error-proof
60W USB-C
Lightning-Fast Charging
Up to 5 Years
Lifespan
Over 1000+ Battery Cycles
Intelligent Cooling
Fan-- Temperature
Reduction by 25°C
Constant Temperature Control
Sustainable
and Recyclable
Material
PC+ABS Material
Functional from
-10°C to 40°C
Work in Extreme Cold & Heat
Large LCD Screen &
Large Fonts
Effortless Reading even
for Seniors
Ergonomic Handle &
Anti-collision Strip
Easy-to-carry
and Scratch-resistant
Why Choose PowerMax 300?
80% Charge in
about 4.5Hrs
Recyclability Meets
Convenience
Flexible Ports That
Support 99% of Devices
Up to 5 Years
Lifespan
NO.1 Up to 5 Years Lifespan
Portable in Design,
Durable in Performance
Maximal Portability Light at only 3.5kgs
Boost Efficiency for
Off-grid Life
266Wh Capacity
NCM Battery Cell Higher Energy Density for Longer Lifespan
Up to 5 Years Lifespan
1000+ Battery Cycles
Functional from -10°C to 40°C Work in Extreme Cold & Heat
Maximal Portability Light at only 3.5kgs

Don't underestimate the portability of the PowerMax 300, as its weight of only 3.5kgs allows you to move with just one hand with ease, even when you need to carry a bulky travel bag when camping, biking, fishing, and more.

Boost Efficiency for Off-grid Life 266Wh Capacity
With enough capacity to continuously power your CPAP while sleeping,
a drone for recording memories while hiking, or lights in the dark, the PowerMax 300
makes your off-grid life more comfortable and efficient.
NCM Battery Cell Higher Energy Density
for Longer Lifespan
Equipped with the NCM battery,
PowerMax 300 has
higher energy density with more energy in the same volume for longer battery lifespan , while having a slow decrease in performance.
Up to 5 Years Lifespan Over 1000+ Battery Cycles
The NCM battery selected for PowerMax 300 has a remarkable lifespan of up to 5 years based on estimated usage of five cycles per week, due to its ability to endure over 1000+ battery cycles.
1000+ Battery Cycles
Phones
(3055mAh) 21.2Charges (5W) 42.5Hrs
Tablet
(25Wh) 8.5 Charges (15W)
14.1Hrs
Smart Watch
(5Wh) 42.5 Charges (1W)
42.5Hrs
Portable DVDs
(1500mAh) 15.8 Charges (20W)
10.6Hrs
Projectors
(50Wh) 4.2 Charges (250W) 0.8Hrs
Portable Speaker (20Wh)
10.6 Charges (25W)
8.5Hrs
Digital cameras (13Wh)
15.4 Charges (5W)
42.5Hrs
* The above may vary due to different conditions.
Functional from -10°C to 40°C Work in Extreme Cold & Heat

Even in temperatures as high as 40 degrees or in extreme cold environments , the Oscal PowerMax 300 is able to continue functioning without compromising its usage time and charging efficiency.

Discharging Temperature Charging Temperature
-10℃ ~40℃ (14F~104F) 0℃~40℃ (32F~104F)
NO.2 80% Charge in about 4.5Hrs
Built-in MPPT for
More Effective Solar Charging
* The above data comes from Oscal laboratory, which may vary due to different conditions.
Solar Charging Eco-friendly Charging with “0” Emission
55W(Max) Input
Can't find a place to recharge when you're hiking far from the city? Look at the sun overhead and take advantage of renewable solar energy resources to recharge your power station anytime, anywhere.
6 Hrs* Full Charge
* Recharging time varies depending on location, temperature, weather, etc.
Car Charging Make the Most Use of Your Car
55W(Max) Input
Driving and recharging at the same time during a self-drive tour is more enjoyable, as it allows you to keep going and store power for the rest of your trip.
7 Hrs* Full Charge
Solar Recharging Steps: 1. Find the PV interface on the back of the Solar Panel.
2. Connect the PV interface of Solar Panel with the PV of Oscal PowerMax 300.

*Solar panels are not included.
*The above data comes from Oscal laboratory, which may vary due to different conditions.
Mightier Battery Management System
with 9-layer Protection
Multiple Protections for Enhanced Safety
The Battery Management System used in PowerMax 300 is to safeguard the battery from damage in various operating conditions, providing you with a more secure experience.
9-layer Protection
Over Current
Protection
Flow Rate
Protection
Short Circuit
Protection
Over Voltage
Protection
Under Voltage
Protection
Over-temperature
Protection
Low-temperature
Protection
Over-charging
Protection
Overloading
Protection
NO.3 Flexible Ports That Support 99% of Devices
8 Outlets for Charging
Phones (5W)
42.5Hrs
Tablet (15W)
14.1Hrs
Smart Watch (5W)
42.5Hrs
Projectors (250W)
0.8Hrs
Portable Speaker (25W)
8.5Hrs
Portable DVDs (20W)
10.6Hrs
Mini Fridge (60W)
3.5Hrs
Mini Fan (25W)
8.5Hrs
Fishing Electronic Scale (15W)
14.1Hrs
Drones (70W)
3Hrs
Digital Cameras (13Wh)
15.4Charges
Laptops (50W)
4.2Hrs
Night Fishing Light (50W)
4.2Hrs
GPS (5W)
42.5Hrs
Heart Rate Monitor (5Wh)
42.5Charges
32“ TV (50Wh)
4.2Charges
Blood Pressure Monitor (5Wh)
42.5Charges
Switch (16Wh)
13.3Charges
Survey Camera (20W)
10.6Hrs
Gopro (5.9Wh)
36Charges
Kindle (5Wh)
42.5Charges
Patient Monitor (100W)
2.1Hrs
CPAP (30W)
7Hrs
Portable Defibrillators (5Wh)
42.5Charges
Air Purifier (50W)
4.2Hrs
1*12V/10A Car Charging
2*DC OUTPUT 12V/5A
3*USB-A OUTPUT 18W(Max)
1*USB-C OUTPUT 60W(Max)
1*AC OUTPUT 300W(Total)
1*300W Pure Sine Wave AC Inverter Meet the Needs of Most Electronic Devices
The 300W pure sine wave AC outlet carried by the PowerMax 300 can power most
electronic devices
, so you will not get lost due to dead phone or tablet, being boldly free to travel on-the-go, hiking, fishing and more.
1* Car Charging:12V/10A Output
*Supported devices for part reference only.
No.4 Recyclability Meets Convenience
More to Eco-friendliness,
More to Convenient Operation
Sleep-friendly Operation Charging Silently at 35 dB
Sustainable and
Recyclable Material
PC+ABS Materials
Intelligent Cooling Fan--
Temperature Reduction by 25°C
Constant Temperature Control
Ergonomic Handle &
Anti-collision Strip
Easy-to-carry and Scratch-resistant
Large LCD Screen &
Large Fonts
Effortless Reading even for Seniors
Large Responsive Buttons Easy-to-press & Error-proof
5W LED Light Illumination Mode &
SOS Mode
Sustainable and Recyclable Material PC+ABS Material
PC+ABS material combines the advantages of environmental friendliness , toughness and high-temperature resistance . Its toughness can withstand
accidental impacts while its recyclability helps to reduce resource waste, making it more suitable for green travel.
Sleep-friendly Operation Charging Silently at 35 dB
Any noise generated by our power station is minimal, averaging about 35db, a level similar to the quiet rustling of leaves . It will not produce loud noises like a generator, ensuring a peaceful sleep for you.
*Noise during operation is less than 35db without fan, less than 70db when the fan is activated.
Intelligent Cooling Fan--
Temperature Reduction by 25°C
Constant Temperature Control
Fan ensures stable operation and prevents a decrease in charging efficiency due to overheating, reducing the maximum discharge temperature
from 65 degrees to 40 degrees.
Fan Speed 4000RPM
* Fan will start automatically when:
Cell Temperature
≥ 45 degrees
Output power
≥ 60% of the rated load
Large LCD Screen & Large Fonts Effortless Reading even for Seniors
The readable LCD display carried by PowerMax 300 allows real-time tracking of battery power, displaying recharging power, and AC, DC, USB output power.
Smart Cooling Fan
LED Light Temperature Alarm
Input Status DC Output Status
Battery Capacity AC Output Status
USB Output Status
Large Responsive Buttons Easy-to-press & Error-proof

Large buttons offer easy operation, making it easier to locate and improving your operational efficiency . You can accurately find the desired buttons without making a mistake.

5W LED Light Illumination Mode & SOS Mode
The 5W SOS warning light can save your life in case of encountering danger during off-grid adventures, not just for the usual wilderness lighting.
AC Charging Wake up and Ready to Go
55W(Max) Input
Just a relaxing nap, you can almost harvest a fully charged power station at home to prepare for the next off-grid adventure.
6 Hrs* Full Charge
AC charging 6 Hrs
Solar charging 6 Hrs
Car charging 7 Hrs
* The above data comes from Oscal laboratory, which may vary due to different conditions
2*DC Output Secure and Efficient Charging

12V DC output ensures high efficiency charging with low charging losses and low impact on battery life.

2*DC5525: 12V/5A Output
Drones
(70 W)
3Hrs
Speaker
(150W)
1.4Hrs
Portable DVDs
(20W)
10.6Hrs
Survey Camera
(20W)
10.6Hrs
Digital cameras
(13Wh)
15.4Charges
3*USB-A+1*USB-C
Release Your Personality Naturally
Charge your smart devices while having fun. PowerMax 300 saves you from the anxious state of off-grid travel by powering your phones, tablets, laptops, and more.
Phones
(5W)
42.5Hrs
Tablet
(15W)
14.1Hrs
Smart Watch
(5W)
42.5Hrs
Laptops
(50W)
4.2Hrs
Heart Rate
Monitor
(5Wh)
42.5
Charges
GPS
(5W)
42.5Hrs
Blood Pressure
Monitor
(5Wh)
42.5
Charges
60W USB-C Lightning-Fast Charging

Thanks to USB-C fast charging technology, you can charge a phone (3055mAh) from 0 to 80% in only 15 minutes by using our USB-C port. Therefore, when you are
eagerly waiting for a video call, the device will already be fully prepared.

Charge a Phone (3055mAh) from 0-80%
USB-C PD 60W: Only 15 Mins
Phones (3055mAh)
10 Mins
Smart Watch (5Wh)
5 Mins
Laptops (50Wh)
50 Mins
Mini Fridge (50Wh)
50 Mins
Switch (16Wh)
16 Mins
Projectors (50Wh)
50 Mins
32“ TV (50Wh)
50 Mins
Gopro (5.9Wh)
5.9 Mins
Drone (89.2Wh)
1.5Hrs
Car charging Be Your Loyal Backup Power Source

If the power goes out suddenly, you can use the car charging port to power your mini fridge for brunch.

Mini Fridge
(60W)
Fishing Electronic Scale
(15W)
Mini Fan
(25W)
8.5Hrs
3.5Hrs 14.1Hrs 8.5Hrs
Projectors
(250W)
0.8Hrs
Night Fishing Light
(50W)
4.2Hrs
* Supported devices for part reference only.
1*AC: 300W Output(Surge 600W) * The 600W output that reaches 200ms will be cut off for protection.
3* USB A= 18W USB-A output*3
1* USB C= 60W USB-C output*1
Ergonomic Handle & Anti-collision Strip Easy-to-carry and Scratch-resistant
Considering the tough conditions of outdoor adventure, PowerMax 300 is more thoughtfully designed with an ergonomic handle so that it can be easily lifted and moved with just one hand , while adopting anti-collision strip made of fire-resistant PC+ABS material to prevent accidental scratches.
Master Switch
AC Switch
LED Light Switch
* How to switch the mode of LED light?
Normal Illumination Mode: short press 1
time to turn on, then short press 1
time to turn off.
SOS Mode: short press 2 times in a row to
SOS mode, short press 1 time to normal
mode, and then short press 1 time to close.
What You Get? PowerMax 300
  • Battery Info
    • Battery Capacity
      266Wh
    • Battery Type
      18650 Ternary lithium-ion Battery Cell
    • Battery Life Cycles
      1000+ Cycles to 80% of Original Capacity
    • Battery Shelf-life
      Do a charge/discharge cycle and charge
      to 50% after 3 Months
    • Battery Management System
      SOC, BMS, etc
  • OUTPUT
    • AC Outlets
      300W Output x1
      Inverter Type: Sine Wave
      Surge Power:600W
    • USB-C Port
      USB-C 60W X1
    • USB-A Port
      USB-A 18W X3
    • 12V* DC Outlets
      12V/10A DC 5525 X2
  • INPUT
    • AC Adapter Input
      230V (Max)
      Recharging times: 6-7 Hrs
    • Solar Input
      55 W (Max)
      Recharging times: 6-9Hrs
      (With prime sunshine, ideal orientation,
      and low temperature)
    • Car Input
      55W (Max)
      Recharging times: 7-9Hrs
  • GENERAL
    • Weight:
      3.81KG
    • Dimensions (LxWxD):
      L244*W171.4*H177mm
    • Charging Temperature
      0℃~40℃ (32F~104F)
    • Discharging Temperature
      -10℃ ~40℃ (14F~104F)