Monoprice PowerCache 44690 User manual

PowerCache™by Monoprice™
600 LITHIUM PORTABLE POWER STATION
P/N 44690
User Manual

2
SAFETY WARNINGS AND GUIDELINES
Please read this entire manual before using the PowerCache™600 Lithium Portable Power Station,
paying extra attention to these safety warnings and guidelines. Please keep this manual in a safe
place for future reference.
•Do not expose this power station to water or moisture. Do not place drinks or other containers
with moisture on or near the device. If moisture does get in or on the device, immediately unplug
it from the power source and allow it to fully dry before reapplying power.
•Do not touch this power station or any of its connected cables with wet hands.
•Do not expose this power station to excessively high temperatures. Do not place it in, on, or near
heat sources, like a fireplace, stove, radiator, etc. Do not leave it in direct sunlight.
•Do not place or install this power station in an area where it can be exposed to excessive
amounts of dust, humidity, oil, smoke, or combustible vapors.
•Prior to operation, check the unit for physical damage. Do not use if physical damage has
occurred.
•Take care to prevent damage to the power station cable. Do not let it become crimped, pinched,
walked on, or tangled with other cords. Ensure that it does not present a tripping hazard.
•Never unplug the unit by pulling on the power cord. Always grasp the connector head or adapter
body.
•Ensure power is turned off and disconnected before making any electrical connections.
•This power station has no user-serviceable parts. Do not attempt to open, service, or modify it.
•Do not use chemical cleaners or solvents to clean this power station. Use only a soft cloth that’s
slightly moistened with warm water.
•This unit does NOT support the use of 15A corded power tools. Connecting and operating 15A
corded power tools pose the risk of personal injury and/or damage to the unit, and additionally,
immediately voids the claims and warranties.
This unit is NOT designed to be modified through direct and/or indirect connection to external
batteries of any chemistry—such as a vehicle battery—with the intention of increasing its
storage capacity, operating runtime, power output, or decreasing recharge time. Attempts in
expanding or modifying the power station poses the risk of personal injury and/or damage to
the unit, and additionally, immediately void the claims and warranties.

3
TABLE OF CONTENTS
SAFETY WARNINGS AND GUIDELINES.............................................................................................................................................................................2
PACKAGE CONTENTS.......................................................................................................................................................................................................................4
FEATURES....................................................................................................................................................................................................................................................4
PRODUCT & DISPLAY OVERVIEW.........................................................................................................................................................................................5
GETTING STARTED...............................................................................................................................................................................................................................5
HOW TO USE ............................................................................................................................................................................................................................................5
CHARGING INSTRUCTIONS..........................................................................................................................................................................................................6
TECHNICAL SPECIFICATIONS .................................................................................................................................................................................................... 7
TROUBLESHOOTING..........................................................................................................................................................................................................................8
WARRANTY INFORMATION........................................................................................................................................................................................................9
TECHNICAL SUPPORT.......................................................................................................................................................................................................................9
DISPOSAL AND RECYCLING INFORMATION..............................................................................................................................................................11

4
PACKAGE CONTENTS
Take an inventory of the package contents to make sure you have all the items listed below.
Please contact Monoprice Customer Service for a replacement if anything is missing or damaged.
•1x 600 Lithium Power Station
•1x AC Adapter
•1x 29.4V Car Port Charging Adapter
•1x Quick Start Guide
FEATURES
•A clean, quiet alternative to traditional gas generators that operate almost silently, delivering safe,
and hassle-free power.
•Has internal ternary lithium batteries with 642Wh of total capacity and 600W of total power
output.
•Small, compact design ideal for road trips, tailgating, camping, off-road, overlanding, off-grid living,
garages, workshops, backyards, job sites, weather-related disasters, and emergencies.
•Pure sine wave output with versatile port options including 120V AC, USB-C™PD, USB-A, 12V car
port, and multiple DC outputs.
•Designed for smartphones, tablets, laptops, cameras, drones, lighting, Wi-Fi routers, power tool
battery chargers, and small appliances. And the built-in LED light provides convenient tasks and
emergency lighting.
•Recharge quickly and easily using one of the three following options:
1. from a standard 120V / 60 Hz AC wall outlet using the supplied AC adapter;
2. from the sun (solar panel not included);
3. in-the-car using the supplied 29.4V Car Port Charging adapter.

5
PRODUCT & DISPLAY OVERVIEW
GETTING STARTED
Fully charge the power station to 100% before initially using the supplied AC Adapter.
1. Carefully unbox the power station, accessories, and in-box materials.
2. Plug the included AC adapter into any standard 120V 60Hz wall outlet.
3. Plug the AC adapter male’s barrel plug connector into the DC input on the unit’s left-hand side.
4. The LCD should power on, displaying the current battery level and charging status.
5. The power station will automatically stop charging once it has fully charged and the LCD reads
100%.
Recharge time will vary depending upon the battery level of the unit at unboxing, taking up to 7-8 hours
from full 0% discharge.
HOW TO USE
The 600 Lithium power station features independent AC and DC supply circuits that offer simultaneous
use of multiple ports and more efficient use of stored power.
To maximize efficiency, turn on only the outputs you intend to use; be sure to turn them off once done.
POWERING AC DEVICES
1. Plug the device into the AC output and press the main ON/OFF button to turn on the unit.
2. Press the AC ON/OFF button to turn on the independent AC output.
To turn off the independent AC output and/or turn off the unit, repeat the steps above in reverse.
POWERING USB AND/OR DC DEVICES
1. Plug the device into any USB or DC output and press the main ON/OFF button to turn on the unit.
2. Press the DC ON/OFF button to turn on the independent USB and DC outputs.
To turn off the independent USB and DC outputs and/or turn off the unit, repeat the steps above in
reverse.

6
USING THE LED SWITCH
1. Press the main ON/OFF button to turn the unit on.
2. Press the same button again and hold for 3 seconds to turn the LED switch on.
3. Press the LED ON/OFF button once for strobe mode; and twice for SOS mode.
To turn off the light (in any of these modes), press and hold the LED ON/OFF button for 3 seconds.
CHARGING INSTRUCTIONS
The power station can be recharged quickly and easily using any one of the three options.
NOTE: Only one charging method may be used at one time.
CHARGING FROM AN AC WALL OUTLET
1. Plug the included AC adapter into any standard 120V 60Hz wall outlet, and plug the male barrel
plug connector from the AC adapter into the DC input on the unit’s left-hand side.
2. The LCD should power on, displaying the current battery level and charging status.
3. The unit will automatically stop charging when it is fully charged; the LCD reads 100%.
Recharge time will vary depending upon the current battery level of the power station, taking up to 7-8
hours from full 0% discharge.
NOTE: Use ONLY the AC Adapter supplied with the unit. The use of any third-party AC adapter poses a
risk of personal injury and/or damage to the unit, and additionally, immediately voids the claims and
warranties.
CHARGING FROM THE SUN (SOLAR PANEL NOT INCLUDED)
The power station is compatible with 36V 400W maximum (42V open circuit voltage) solar panels
featuring Anderson high-power output connectors.
NOTE: When chaining multiple solar panels, ensure the total system voltage does not exceed the
voltage specified above. Exceeding the specified voltage poses the risk of personal injury and/or damage
to the unit, and additionally, immediately voids the claims and warranties.
1. Plug the Anderson connector from the solar panel into the Anderson input on the unit’s front panel.
2. The LCD should power on, displaying the current battery level and charging status.
3. The power station will auto-stop charging once fully charged; the LCD will read 100%.
Recharge time will vary depending upon the current battery level of the power station, taking up to 3–4
hours from full 0% discharge.
NOTE: Solar input and recharge times are directly affected by environmental conditions such as the
orientation of the panel relative to the sun, cloud cover, etc. Solar Panel Rated Watts represent the
panel’s rated maximum output in perfect temperature/orientation/angle/full sun conditions with no
losses due to cables, etc.

7
CHARGING IN THE CAR
1. Start the vehicle; ensure the engine is running while plugging the included 29.4V Car Port Charging
Adapter into the vehicle’s 12V accessory output; plug the male barrel plug connector from the Car
Port charging adapter into the DC input on the left-hand side of the power station.
2. The LCD should power on, displaying the current battery level and charging status.
3. The unit will automatically stop charging once it has fully charged; the LCD reads 100%.
Recharge time will vary depending upon the current battery level of the power station, taking up to 8–9
hours from full 0% discharge.
NOTE: To prevent draining of the vehicle battery, recharge the power station ONLY while the engine is
running. Doing otherwise will lead to dead vehicle batteries and may require jump-starting of the vehicle
and/or replacement of the vehicle’s battery.
Use ONLY the 29.4V Car Port Charging Adapter supplied with the power station. The use of any third-
party DC adapter poses a risk of personal injury and/or damage to the product, and additionally,
immediately voids all the claims and warranties.
TECHNICAL SPECIFICATIONS
P/N
44690
Output Waveform
Pure sine wave
Output Voltage
120V / 60HZ
Power Output
600W
Battery Capacity
642.6Wh
Battery Model
3.6V 2550mAh (7S10P) Supports 3C discharging, 1C charging
Battery Type
18650 lithium-ion cells (ternary lithium)
DC Output
1x Car Port 12V / 10A
DC Outputs
2x DC 5525 (Sharing 12V / 10A)
USB Outputs
USB 2.0 5V 2.4A / USB QC 3.0 / PD 60W（Independent）
Charging Time
7 ~ 8H
Charging Voltage and Current
29.4V d.c. 3.0A (Supports 29.4V~50V)/Solar Panel 36V 100W-
400W
LED Lighting
3W (Lighting, SOS, Strobe)
Working Environment
Temperature
0°C ~ 40°C
Storage Temperature
-10°C ~ 65°C
Product Dimensions (L x W x H)
12.75" x 7.52" x 9.53" (323.85 mm x 191.01 mm x 242.06 mm)
Net Weight
15.4 lbs (7.0 kg)
Protection Functions
Over-voltage, low-voltage, over-temperature, overload,
output short-circuit protection

8
TROUBLESHOOTING
ISSUE
POSSIBLE CAUSE
WORKAROUND
The selected output isn't working.
The main and/or independent
AC or DC power is OFF.
Ensure BOTH the main AND the
independent AC or DC ON/OFF buttons
have been pressed and powered on for
the outputs you would like to use.
The main power is ON, and the
LCD is ON, but when the
independent AC ON/OFF button
is pressed there is no AC output.
The built-in protection has
been triggered due to
overheating, over-loading,
low-voltage, and/or low
capacity.
-Remove the power station from
excessive heat and allow it to cool to
a safe operating temperature.
-Disconnect all devices from the AC
outputs.
-Be sure the power station is fully
charged.
Power should automatically be
restored once the power station is
within a safe operating range.
The power station will not
recharge using a solar panel.
The solar panel is not
compatible with the power
station or there is a lack of
adequate sunlight.
-Select an appropriate compatible
solar panel. If chaining multiple solar
panels, ensure the total system
voltage does not exceed the voltage
recommended for the power station.
-Ensure the solar panel maintains
proper alignment with the sun
during daylight hours.
The power station will not
recharge using the supplied AC
adapter.
The AC adapter or power
station is no longer
functioning.
-Unplug the AC adapter from the wall.
- Disconnect all devices from the
power station
-Contact Monoprice Customer
Support immediately.

9
WARRANTY INFORMATION
The shelf life of this power station is 2 years from the date of sale; due to possible defects in the
materials and machinery, the warranty covers the replacement and Monoprice Customer Service must be
contacted During the guarantee period, the following conditions will void the replacement:
•Unauthorized disassembly of the product.
•Damage to the appearance of the product packaging, such as wear, scratches, cracks, and cracks, is
not covered by the warranty.
•Failure due to the user's failure to comply with instructions, misuse, repackaging, and other reasons.
•Due to accidents, human factors, environmental and other unreasonable factors (operating error,
collision, strain), humidity input, etc.) failure or damage.
•Damage caused by force majeure such as natural disasters (earthquake, fire, tsunami, etc.).
•The warranty does not cover the packaging and accessories of the products.
The copyright of this product manual belongs to Monoprice™. Not any individual or company is
authorized to copy at will, violators will be held accountable. The images in this product manual are
subject to the actual product. The Company reserves the right to update unannounced product manuals
CUSTOMER SERVICE
The Monoprice Customer Service department is dedicated to ensuring that your ordering, purchasing,
and delivery experience is second to note. If you have any problems with your order, please allow us to
make it right. You can contact a Monoprice Customer Service representative through the Live Chat link
on our website www.monoprice.com or via email at [e-mail]. Check the website for
support times and links.
TECHNICAL SUPPORT
Monoprice™is pleased to provide free, live, online technical support to assist you with any questions
you may have about installation, setup, troubleshooting, or product recommendations. If you ever need
assistance with your new product, please come online to talk to one of our friendly and knowledgeable
Tech Support Associates. Technical support is available through the online chat button on our website
www.monoprice.com or email by sending a message to [email protected]om. Check the website for
support times and links.
To download the latest drivers, firmware, manuals, etc., go to www.monoprice.com and type 44690
into the search bar. Support files are linked at the bottom of the product page if available.

10
REGULATORY COMPLIANCE
NOTICE FOR FCC
This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions:
(1) this device may not cause harmful interference, and (2) this device must accept any interference
received, including interference that may cause undesired operation.
Modifying the equipment without Monoprice's authorization may result in the equipment no longer
complying with FCC requirements for Class B digital devices. In that event, your right to use the
equipment may be limited by FCC regulations, and you may be required to correct any interference to
radio or television communications at your own expense.
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant
to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful
interference in a residential installation. This equipment generates, uses, and can radiate radio frequency
energy and, if not installed and used in accordance with the instructions, may cause harmful interference
to radio communications. However, there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to radio or television reception, which can
be determined by turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
•Reorient or relocate the receiving antenna.
•Increase the separation between the equipment and the receiver.
•Connect the equipment to an outlet on a circuit different from where the receiver is connected.
•Consult the dealer or an experienced radio/TV technician for help.
NOTICE FOR ISED CANADA
This Class B digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada.

11
DISPOSAL AND RECYCLING INFORMATION
The symbol indicates that this product should be disposed of separately from regular household waste
streams. It is your responsibility to dispose of this and other electrical and electronic products via
designated collection facilities appointed by the government or local authorities. Correct disposal and
recycling will help prevent potential negative consequences to the environment and human health. For
more detailed information about the disposal of your unwanted product, please contact your local
authorities, waste disposal service, or the shop where you purchased the product.
Monoprice
™, PowerCache ™, the PowerCache logo, and all Monoprice logos are trademarks of Monoprice Inc.

12
Need Help? We’re here for you!
Contact us: www.monoprice.com/contactus
Product pictures are for reference only.
Specifications described herein are subject to change without prior notification.
Monoprice™ and all Monoprice logos are trademarks of Monoprice Inc.
Copyright © 2023 Monoprice, Inc. All rights reserved.
Monoprice, Inc.
1 Pointe Drive, Suite 400
Brea, CA 92821 –USA
www.monoprice.com
www.monoprice.com