NUE SunCase 2025 User manual

SunCase
2025
USER GUIDE

P: [phone]
E: [email protected]om
W: newuseenergy.com
A: 3320 W Flower St. Phoenix, AZ 85017
WHAT YOU NEED
SunCase
chargerUser manual

P: [phone]
E: [email protected]om
W: newuseenergy.com
A: 3320 W Flower St. Phoenix, AZ 85017
WHAT YOU NEED GLOSSARY
The following terms are used in this document to indicate various levels of potential harm
that may be caused by improper operation.
NOTICE
The instructions, if not properly followed, may result in property damage and minor physical
damage.
WARNING
Read the ENTIRE user manual to familiarize yourself with the features of this product before
operating. Failure to operate the product correctly may result in damage to the product or
your personal property. It can cause serious injury as well. New Use Energy will not assume
any legal responsibility for any damages. DO NOT use the SunCase with incompatible
components or alter the SunCase in any way. Otherwise, you cannot get aer-sales service
from New Use Energy under our warranty. These Safety Guidelines include instructions
for operation and maintenance. It is important to read and follow all the instructions and
warnings in the user manual before setting up or using the product.

P: [phone]
E: [email protected]om
W: newuseenergy.com
A: 3320 W Flower St. Phoenix, AZ 85017
PRODUCT SAFETY GUIDELINES PRODUCT SAFETY GUIDELINES
If instructions are not properly followed property damage and serious injury
may result. Be sure to use this product in accordance with the following safety
rules and guidelines.
Product use:
1. Do not expose SunCase to any liquid. Keep the SunCase away from rain or any liquid. Do not drop the
SunCase into the water. If the battery in the SunCase comes into contact with water, it may cause chemical
decomposition of the battery. This may cause the battery to catch re or explode.
2. Never use or charge swollen, leaky, or damaged batteries. If your SunCase is abnormal, contact New Use
Energy for further assistance.
3. Never install or remove a battery from the SunCase when it is turned on.
4. Never disassemble or pierce the product in any way. Otherwise, it may leak, catch on re, or explode.
5. DO NOT use the SunCase if it was involved in a crash or a heavy bump.
6. If the SunCase falls into water during use, take the SunCase out immediately and put it in a safe and open
area. Keep a safe distance from it until it is completely dry. Never use it again and dispose of it properly as
described in the disposal section below.
7. Do Not insert pins, wires or other metal pieces inside the device case, outlets or controls. Metal pieces may
short circuit the product.
8. Avoid collisions. DO NOT place heavy objects on the SunCase.
WARNING Product Charging using AC Input:
1. Always use the New Use Energy approved charger shipped with the unit. New Use Energy takes no
responsibility for any damage caused by using a dierent charger.
2. When charging, please place the SunCase on the ground with no ammable or combustible materials
around. To prevent accidents, never leave the machine unattended during charging.
3. DO NOT charge a SunCase immediately aer handling a very high energy load, because the product’s
temperature may be elevated due to the stress of said load. Wait until it cools down to room temperature.
DO NOT charge a SunCase if it is hot to the touch. The product is unsafe to charge when the internal
temperature is outside the range of 32 to 131 °F (0 to 55 °C). Do not recharge if its below 0 degrees Celsius
outside
4. If you are charging from a diesel generator, please follow all instructions and safety policies for that
generator and do so in a well-ventilated area outside.

P: [phone]
E: [email protected]om
W: newuseenergy.com
A: 3320 W Flower St. Phoenix, AZ 85017
Product Storage and Transportation:
1. Keep the SunCase out of the reach of children.
2. If the low-battery indicator alarm goes o, charge the battery before storing it. Otherwise, long-term storage
may cause damage to the battery in the product. Batteries in the product will enter hibernation mode if
it is depleted and stored for a long time. Recharge the SunCase can bring the battery out of hibernation.
3. DO NOT place the SunCase near a heat source, such as a car in direct sunlight, a re source, or a heating
stove.
4. Store the product in dry environments. DO NOT place the SunCase where it may come into contact with
water.
5. Never ship a SunCase with a battery power level higher than 60%.
Battery Disposal:
1. Dispose the SunCase in specic recycling boxes only aer the batteries inside have been completely
discharged. Batteries are hazardous and have to be disposed of in the proper facility. Please strictly follow
your local regulations regarding the battery disposal and recycle.
2. Dispose of the SunCase immediately if it cannot be powered on aer over-discharging.
Product Maintenance:
1. Never store the product in environments between 14 to 113 °F (-10 to 45°C).
2. If the battery is continually not charged and le in storage, it’s battery life may be reduced.
3. Fully charge and discharge the battery at least once every three months to maintain battery health.
PRODUCT SAFETY GUIDELINES PRODUCT SAFETY GUIDELINES

P: [phone]
E: [email protected]om
W: newuseenergy.com
A: 3320 W Flower St. Phoenix, AZ 85017
TABLE OF CONTENTS
SUNCASE USE CARE AND SAFETY GUIDE 7
FEATURES OF THE SUNCASE 8
LCD DISPLAY 10
CHARGING AND PARALLEL CAPACITY 11
TECHNICAL SPECIFICATIONS 13
PERFORMANCE CHARACTERISTICS 15
HOW TO RECHARGE 16
FAQS 16
SUNCASE CONTINUOUS USE 18
PRODUCT IMAGES 19

P: [phone]
E: [email protected]om
W: newuseenergy.com
A: 3320 W Flower St. Phoenix, AZ 85017
SUNCASE USE CARE AND SAFETY GUIDE
Turning the unit on and o:
To turn the SunCase o, you must ip the green breaker into the on position (where it will ash red”. This will
activate the battery to the system. You must ip this breaker into the on position to charge the unit or turn the
DC or AC outlets on for use. To turn the AC outlets on, ip the red switch to activate the interver. This will allow
AC power through the units. To turn the SunCase o, rst ip the AC switch into the o position. Then unplug
any AC or solar input. Then ip the green breaker into the o position.
Open or close various output operation methods:
1. When you need to use the SunCase, please ip the battery DC power switch.
2. Aer the DC switch is turned on, the USB-A, USB-C, Type-C, and the cigarette lighter interface are all
functional.
3. The LCD screen should be on aer completing the previous two steps; therefore you should have AC power.
UPCOMING SECTIONS
Battery Maintenance
Get to know the SunCase so that you can get the best performance from it. Follow this step-by-step introduction
to each of battery ports, buttons, display screens and more.
Technical Specications
Get to know the specications of the SunCase.
How to Charge
Everything you need to know about recharging the battery via AC charger or from solar power.
FAQs
Answers to some of the most important questions you have about how to take care, store, and safely use the
SunCase.

P: [phone]
E: [email protected]om
W: newuseenergy.com
A: 3320 W Flower St. Phoenix, AZ 85017
1. DC Switch
The SunCase can be turned on or o via a power switch.
2. LCD Display
Can display the battery voltage, remaining power, output power, AC voltage, HZ and other icons.
3. AC Switch
The AC output can be turned on or o by ipping the AC switch.
4. AC Output Port (110V Model)
AC110V 60HZ, charging devices that can charge devices using chargers, such as laptops, TVS, mini-refrigerators,
vacuuming, etc. 220V markets will have appropriate AC220V 50HZ outlets.
FEATURES OF THE SUNCASE
5
11
6
7
2
8
9
3
4

P: [phone]
E: [email protected]om
W: newuseenergy.com
A: 3320 W Flower St. Phoenix, AZ 85017
5. Solar Charge Port
The PV port supports 30-55V (100-600W) of solar input, with a maximum of 20A of current.
6. DC Input and Output port
The output voltage specication of the charger is DC 28.4-29.2V with a max of 50A of current.
7. Parallel Connect Port
The parallel connect port supports the maximum 2 sets of SunCase parallel. The port also supports DC 29.2V
input charging and DC24V output discharge. It attaches to any red 50Amp Anderson connector.
8. Type-C Output
Type-C port supports 5-12V output and 18W power. Devices that can be charged include phones and tablets.
9. USB-A Output
The USB port supports up to 5V/12W of power. Devices that can be charged include phones and tablets.
10.12V Power Output
The cigar Llghter connection supports 12-13V and 10A of output. Any 12V DC appliances, such as lamps and
refrigerators are supported. Please make sure devices are designed for DC charging before attempting to
charge them via DC power.
11.Ventilation Fans
The fans prevent the battery from overheating.
FEATURES OF THE SUNCASE

P: [phone]
E: [email protected]om
W: newuseenergy.com
A: 3320 W Flower St. Phoenix, AZ 85017
A. Battery Level Display
The battery display has 8 bars, each representing 12.5% SOC. When the display has 1 bar remaining, the
remaining battery capacity is < 12.5%. When this is the case, please charge battery immediately. Note: The
corresponding SOC of the power display will vary according to the dierent load power size.
Please note
This portion of the display is connected only to the inverter and may not be accurate. We recommend
downloading and using the Grenergy App and the voltage readings for maximum accuracy.
B. Battery Voltage Display
Displays the current voltage value of the battery.
C. AC Cycle
Displays the frequency of the AC current.
D. AC Voltage
Displays the voltage of the AC output current.
E. AC Output Power
Displays the current of the output coming from the AC outlets.
LCD DISPLAY
BC D
EA