SKU: 30691823754

HKM-821331 High-Capacity Portable Energy Storage Power Supply with Multiple Output Ports

$162.00 $180.00
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Description

HKM-821331 High-Capacity Portable Energy Storage Power Supply with Multiple Output PortsIntroducing the HKM 821331 High Capacity Portable Energy Storage Power Supply, your reliable companion for all your power needs, both indoors and outdoors. With an impressive capacity of 330Wh and 90000mAh, this energy storage solution is designed to keep your devices running smoothly, no matter where you are. Equipped with multiple output ports, including 1 AC socket, 1 12V vehicle charging socket, 2 Type C interfaces, and 4 USB sockets, this

Introducing the HKM-821331 High-Capacity Portable Energy Storage Power Supply, your reliable companion for all your power needs, both indoors and outdoors. With an impressive capacity of 330Wh and 90000mAh, this energy storage solution is designed to keep your devices running smoothly, no matter where you are.

Equipped with multiple output ports, including 1 AC socket, 1 12V vehicle charging socket, 2 Type-C interfaces, and 4 USB sockets, this versatile power supply can simultaneously power a variety of devices. Whether you need to charge your laptop, LCD TV, outdoor lights, desktop computer, mobile phone, or other household electronics, the HKM-821331 has got you covered.

Constructed from high-grade plastic with a waterproof shell, this energy storage power supply not only feels durable but also stands up to the rigors of outdoor use. The innovative design incorporates a lithium battery composed of 20 high-quality 21700 cells, ensuring reliability and a long lifespan.

With a fast charging capability, the HKM-821331 can be recharged in just 6-8 hours via the DC input. Plus, for long-term outdoor adventures, you can connect one or more solar charging panels with a power output of 40W to harness the sun’s energy.

Safety is a top priority with this product. It features advanced protection mechanisms including input overcurrent protection, overcharge protection, short circuit protection, and reverse connection protection, providing you with peace of mind during use.

If you’re looking for a powerful and functional energy storage solution, the HKM-821331 Portable Energy Storage Power Supply is your perfect choice. Its compact size of 280*195*95mm makes it easy to transport, while offering the power you need for your essential devices. Experience convenience and reliability in energy storage with this high-capacity power supply today.

Product description:
This product is an integrated energy storage power supply with a capacity of 330WH/90000mA. It is equipped with 1 AC socket+1 12V vehicle charging socket+2 Type-C interfaces+4 USB sockets+2 DC input ports, which can supply power to multiple devices at the same time, with powerful functions. This system has excellent compatibility and can be used for charging notebook, LCD TV, outdoor light, desktop computer, mobile phone and other household electronic products. The energy storage power supply is made of high-grade plastic waterproof shell, which has a very good feel. It is a very powerful outdoor product!


Product information:

Mechanical structure: energy storage power supply
Storage medium: lithium battery
Battery specification: 21700 cell
Number of batteries: 20
Input voltage/current: 16.8V/10A
Output voltage: 220V
Charging time: more than 6-8 hours (DC input)
Power: 330Wh or above
Applicable models: notebook, LCD TV, desktop computer, stereo, car refrigerator, mobile phone, digital, and other products with power below 300W

Size:280*195*95mm


Features:
High-power and high-speed power supply: It has a 12V vehicle charging socket, an AC socket and four USB ports, and supplies power for one electric device and four mobile phones.
High-capacity battery: a single battery module with a capacity of 90000mah (330Wh) is equal to the power of 50 mobile phones.
Fast charging: This product is an integrated energy storage power supply, which can be plugged in and used at any time. You can also choose one or more solar charging panels with a single panel power of 40W for long-term outdoor use.
Safety and high quality: the circuit of this product has the design of input overcurrent protection, overcharge protection, short circuit protection and reverse connection protection, which improves the perfect safety guarantee for daily use.
High-quality battery cell: This product uses lithium battery from a first-class manufacturer as the battery cell, with stable performance and low heat output. There is no obvious change in performance within 300 times of charging and discharging.
High-grade and beautiful: This product is made of ABS industrial plastic, fashionable and atmospheric, with exquisite, smooth and comfortable feel.


Packing list:

1* Emergency power supply


Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 30691823754

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4.4 ★★★★★
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Product Reviews
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Verified Purchase
Ash Williams
Omaha, US
★★★★★ 5
Lovely
Format: Paperback
Good book, but you know the usual has its fluff, but that’s all Robert Green books. However, the stories are unmatched and if you have a vivid imagination, you’ll be able to understand and comprehend what’s going on ,it’s lovely.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
D
Verified Purchase
Durell Ball
Pawtucket, US
★★★★★ 4
Different, but in a good way
Format: Paperback
I have read all of Robert Greenes previous books, and I always walked away in amazement. I would see the negative reviews those books received, but I would always ignore them and thank God that I did. That compelled me to buy this book once I saw it was released and once again, the negative review bugs are back out. Normally, I wouldn’t write a review on a book because I would rather the reader form their own opinion. This book is different, and I would like to address this for anyone who is a Robert Greene fan or in the process of becoming one. This book is exactly what every human alive needs to read, which is why I am writing this review to stop the second guessers. It focuses on how our emotions are destructive and how we must be careful about how freely we let them out now. Yes, the style is different from his past books. He goes into narratives about the different emotions, what they can do, and how we can control them while occasionally touching on how they played out in history. For many fans of his previous books, this can be disappointing as we are used to reading thrilling tales throughout history and how they play into the law he is explaining in that chapter with side bar quotes of knowledge from historic figures. I understand why he could not take that approach with this book, as he wanted to focus more on explaining the emotions on a psychological level instead of a historical one. Is there entertaining and historic tales in the book? Yes, somewhat but nowhere near like his past books. I ask that you open your mind to this book and allow your knowledge to grow in a world where emotional control is decaying. Like he said in this book, don’t let your emotional impulses cloud your judgement. Step back, take a second, reassess and approach this book with a clear mind. You will thank me for it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 31, 2020
G
Verified Purchase
George Gutierrez
Lowell, US
★★★★★ 5
A must read for all young and old, although, the younger, the better!
Format: Kindle
Simply fabulous! The blend of great concepts, beautifully descriptive stories, insightful analysis, and fascinating narration made it a truly engaging experience.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 9, 2026
J
Verified Purchase
Jo Jo H.
Dallas, US
★★★★★ 5
In-depth and comprehensive
Format: Kindle
This book was so full of information about the human animal. Is the only wish I had this information earlier in my life. I wish my kids would read it, and perhaps they will. It's very in depth and leaves me reflecting on how I want to change some of my thinking and behaviors like no other book I've read. I wish I belonged to a book club just to discuss it with other readers! I don't necessarily agree with everything that the author states. But it was a most thought provoking book and I read allot of books! Allot of work went into the writing of this book. Near perfect editing which I appreciated. I am a big fan of human psychology and it held my interest and kept me up too late not wanting to put it down!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 20, 2026
F
Verified Purchase
F. Collins
Port Orchard, US
★★★★★ 5
Kubrick’s revelatory swan song is full of hidden meanings
An underrated masterpiece, Eyes Wide Shut is a gem layered with meaning. A semi-autobiographical sensibility permeates given the parameters of its production. It’s immaculately shot, edited and designed and offers two central performances from the then married Tom Cruise and Nicole Kidman. Given its theme, their subsequent divorce reflects back on the choppy waters faced by their characters Bill and Alice Harford. The result is a dream logic of coincidences that ensnare a married couple in self doubt and sexual angst. They live a fairly privileged life in a Manhattan apartment but after a Christmas party at a huge mansion owned by an elite acquaintance, the relationship begins to unravel when both are confronted by the consequences of their projected desires. This prompts the husband Bill on an odyssey through a night time New York and an escalating series of encounters as his wife’s confession about an infatuation with another man eats away at his own inner, unfulfilled desires. It’s a dark/light solstice of a film, as man and wife chase fatalistic hidden desire, their marriage subject to dissolution and they plunge through a dark night of the soul and emerge into a morning of earnest confession and much soul searching. In the end, it’s a fascinating watch. Quite revelatory given my initial reception to it many decades ago. But that’s Kubrick for you. It’s essential to revisit his films. Beautifully presented in 4K by Criterion, it asks us to take ownership of our inner desires, to confront them with honesty and discern what is merely a dream from the reality around us. And no, it’s not the erotic thriller the marketing promised. Another desire thwarted or a deliberate obfuscation of the intense psychological drama it really was?
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 26, 2026

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